NAME	FAMILY	NATIVITY
Abelia x grandiflora cv. Edward Goucher	Caprifoliaceae
Abrophyllum ornans	Grossulariaceae	Australia(Queensland, NSW)
Abutilon sp.	Malvaceae
Abutilon x hybridum cv. Nabob	Malvaceae
Acacia binervia	Mimosaceae	E Australia
Acacia elata	Mimosaceae	SE Australia
Acacia melanoxylon	Mimosaceae	Australia
Acacia pendula	Mimosaceae	Australia
Acacia sieberana v. woodii	Mimosaceae	South Africa
Acacia spectabilis	Mimosaceae	Australia
Acacia stenophylla	Mimosaceae	Australia
Acacia subporosa	Mimosaceae	Australia
Acacia verticillata ssp. verticillata	Mimosaceae	SE Australia
Acalypha pendula	Euphorbiaceae	Cuba
Acalypha sp.	Euphorbiaceae
Acanthocalycium spiniflorum	Cactaceae	Argentina(Cordoba)
Acanthocereus colombianus	Cactaceae	Colombia
Acanthocereus horridus	Cactaceae	SE Mex, Guatemala, El Salvador
Acanthocereus sp.	Cactaceae
Acanthostachys pitcairnioides	Bromeliaceae	Brazil(Espirito Santo)
Acanthostachys strobilacea	Bromeliaceae	South America
Acanthus mollis	Acanthaceae	S Europe
Acer negundo cv. Flamingo	Aceraceae
Acer palmatum	Aceraceae	Asia
Acer palmatum cv. Dissectum	Aceraceae
Acer palmatum cv. Dissectum Atropurpureum	Aceraceae
Acer palmatum cv. Glowing Embers	Aceraceae
Acer palmatum cv. Seiryu	Aceraceae
Acer palmatum cv. Tobiosho	Aceraceae
Achillea cv. Moonshine	Asteraceae
Achillea filipendulina cv. Cloth of Gold	Asteraceae
Achillea millefolium cv. Cerise Queen	Asteraceae
Achillea millefolium cv. Lavender Beauty	Asteraceae
Achillea millefolium cv. Paprika	Asteraceae
Achillea sp.	Asteraceae
Acnistus arborescens	Solanaceae	Tropical America
Acoelorrhaphe wrightii	Arecaceae	Fla. to Cen America, W. Indies
Acorus calamus cv. Variegatus	Acoraceae
Acrocomia aculeata	Arecaceae	NE Argentina, Paraguay
Adenanthos cuneatus cv. Coral Drift	Proteaceae	Australia
Adenanthos sericeus	Proteaceae	Australia
Adenia epigea	Passifloraceae	Madagascar
Adenia globosa	Passifloraceae	Africa
Adenia venenata	Passifloraceae	Ethiopia to E Africa
Adenium arabicum	Apocynaceae	Arabia
Adenium arabicum	Apocynaceae	Saudi Arabia
Adenium cv. Chompoo Sam Ran	Apocynaceae
Adenium swazicum	Apocynaceae	African Tropics
Adiantum aleuticum	Adiantaceae	Canada to W United States
Adiantum formosum	Pteridaceae	Australia and NZ
Adiantum hispidulum	Adiantaceae	Old World Tropics
Adiantum raddianum	Adiantaceae
Adiantum raddianum cv. Fragrantissimum	Adiantaceae
Adiantum raddianum cv. Pacottii	Adiantaceae
Adromischus cf. cristatus	Crassulaceae	South Africa
Adromischus cristatus	Crassulaceae	South Africa
Aechmea blanchetiana	Bromeliaceae	Brazil
Aechmea bracteata	Bromeliaceae	Mexico to Colombia
Aechmea bromeliifolia	Bromeliaceae	Cen America to South America
Aechmea bromeliifolia v. rubra	Bromeliaceae	Argentina to S Brazil
Aechmea calyculata	Bromeliaceae	S Brazil
Aechmea caudata	Bromeliaceae	S Brazil
Aechmea coelestis	Bromeliaceae	Brazil
Aechmea comata	Bromeliaceae
Aechmea comata v. makoyana	Bromeliaceae	Brazil
Aechmea cv. Belizia	Bromeliaceae
Aechmea cv. Big Stuff	Bromeliaceae
Aechmea cv. Black Panther	Bromeliaceae
Aechmea cv. Burgundy	Bromeliaceae
Aechmea cv. Mirlo	Bromeliaceae
Aechmea cylindrata	Bromeliaceae	S Brazil
Aechmea distichantha	Bromeliaceae	Brazil
Aechmea fasciata	Bromeliaceae	Brazil
Aechmea fasciata v. purpurea	Bromeliaceae	Brazil
Aechmea fendleri hybrid	Bromeliaceae
Aechmea flavo-rosea	Bromeliaceae	Brazil(Rio de Janeiro)
Aechmea luddemanniana	Bromeliaceae	Mexico, Cen America
Aechmea nudicaulis	Bromeliaceae	Brazil
Aechmea nudicaulis v. albomarginata	Bromeliaceae
Aechmea orlandiana	Bromeliaceae	Brazil
Aechmea orlandiana x fosteriana cv. Bert	Bromeliaceae
Aechmea ornata	Bromeliaceae	Brazil
Aechmea ornata v. nationalis	Bromeliaceae	Brazil
Aechmea pectinata	Bromeliaceae	Brazil
Aechmea phanerophlebia	Bromeliaceae	S Brazil
Aechmea pineliana	Bromeliaceae	Brazil
Aechmea pineliana v. minuta	Bromeliaceae	Brazil
Aechmea racinae	Bromeliaceae	Brazil
Aechmea ramosa	Bromeliaceae	Brazil
Aechmea ramosa v. festiva	Bromeliaceae	E Brazil
Aechmea recurvata cv. Aztec Gold	Bromeliaceae
Aechmea recurvata v. benrathii	Bromeliaceae	Brazil
Aechmea recurvata v. ortgiesii	Bromeliaceae	Brazil
Aechmea recurvata v. recurvata	Bromeliaceae	Brazil
Aechmea recurvata x comata	Bromeliaceae	Brazil
Aechmea sp.	Bromeliaceae
Aechmea triangularis	Bromeliaceae	Brazil
Aechmea weilbachii f. leodiensis	Bromeliaceae	Brazil
Aeonium arboreum cv. Sunburst	Crassulaceae
Aeonium arboreum cv. Zwartkop	Crassulaceae
Aeonium arboreum v. holochrysum	Crassulaceae	Spain(Canary Islands)
Aeonium canariensis	Crassulaceae	Spain
Aeonium castello-paivae	Crassulaceae	Spain(Canary Islands)
Aeonium cuneatum	Crassulaceae	Spain(Canary Islands)
Aeonium cv. Cyclops	Crassulaceae
Aeonium lindleyi	Crassulaceae	Spain(Canary Islands)
Aeonium nobile	Crassulaceae	Spain(Canary Islands)
Aeonium sedifolium	Crassulaceae	Spain(Canary Islands)
Aeonium simsii	Crassulaceae	Spain(Canary Islands)
Aeonium simsii x Zwartkopf	Crassulaceae
Aeonium sp.	Crassulaceae
Aeonium spathulatum	Crassulaceae	Spain(Canary Islands)
Aeonium undulatum	Crassulaceae	Spain(Canary Islands)
Aeonium urbicum	Crassulaceae	Spain(Canary Islands)
Aeonium virgineum	Crassulaceae	Spain(Canary Islands)
Afrocarpus gracilior	Podocarpaceae	E & S Africa
Afrocarpus henkelii	Podocarpaceae	Africa
Agapanthus orientalis	Alliaceae	Africa
Agathis robusta	Araucariaceae	NE Australia
Agave americana	Agavaceae	E Mexico
Agave americana cv. Marginata	Agavaceae
Agave americana cv. Medio-picta	Agavaceae
Agave americana cv. Medio-picta alba	Agavaceae
Agave americana cv. Striata	Agavaceae
Agave atrovirens	Agavaceae	Mexico(Oaxaca)
Agave attenuata	Agavaceae	Mexico
Agave attenuata cv. Boutin Blue	Agavaceae
Agave attenuata v. variegata	Agavaceae
Agave bracteosa	Agavaceae	NE Mexico
Agave celsii	Agavaceae	Mexico(Nuevo Leon)
Agave colimana	Agavaceae	Mexico(Colima, Jalisco)
Agave colorata	Agavaceae	Mexico(Sonora)
Agave cupreata	Agavaceae	Mexico(Guerrero, Michoacán)
Agave cv. Blue Flame	Agavaceae
Agave cv. Mr. Ripple	Agavaceae	Mexico
Agave dasylirioides	Agavaceae	Mexico
Agave desmetiana v. aureomarginata	Agavaceae	Mexico
Agave ferox	Agavaceae
Agave filifera	Agavaceae	E Mexico
Agave filifera cv. Compacta	Agavaceae
Agave franzosinii	Agavaceae	Mexico
Agave gentryi cv. Jaws	Agavaceae
Agave gigantensis	Agavaceae	Baja California
Agave guiengola	Agavaceae	Mexico(Oaxaca)
Agave gypsophila	Agavaceae	Mexico(Guerrero)
Agave horrida	Agavaceae	Mexico(Morelos)
Agave isthmensis	Agavaceae	S Mexico
Agave karatto	Agavaceae	West Indies
Agave lophantha	Agavaceae	Texas to Mexico(Tamaulipas)
Agave macroacantha	Agavaceae	Mexico
Agave maximiliana v. katharinae	Agavaceae	Mexico
Agave montana	Agavaceae	NE Mexico
Agave multifilifera	Agavaceae	Mexico(Sonora)
Agave murpheyi	Agavaceae	Cen Arizona to Mexico(Sonora)
Agave murpheyi cv. Engard	Agavaceae
Agave nizandensis	Agavaceae	Mexico(Oaxaca)
Agave ocahui	Agavaceae	Mexico(Sonora)
Agave ornithobroma	Agavaceae	Mexico(Sinaloa)
Agave pachycentra	Agavaceae	Mexico to El Salvador
Agave parryi	Agavaceae	N Arizona to Mexico
Agave parryi v. huachucensis	Agavaceae	US(Arizona), Mexico(Sonora)
Agave parryi v. truncata	Agavaceae	Mexico(Durango, Zacatecas)
Agave pendula	Agavaceae	Mexico
Agave potatorum	Agavaceae	Mexico
Agave pumila	Agavaceae	Mexico
Agave pygmae	Agavaceae	Mexico(Chiapas)
Agave schottii	Agavaceae	SW U.S. to Mexico
Agave sisalana cv. Variegata	Agavaceae
Agave sisalana v. armata	Agavaceae	Mexico
Agave sobria	Agavaceae	Baja California
Agave sp.	Agavaceae
Agave stricta	Agavaceae	Mexico
Agave tenuifolia	Agavaceae	Mexico
Agave tequilana cv. Variegata	Agavaceae
Agave titanota	Agavaceae	Mexico
Agave toumeyana ssp. toumeyana	Agavaceae	SW United States
Agave victoriae-reginae	Agavaceae	Mexico
Agave vilmoriniana	Agavaceae	Mexico
Agave wendtii	Agavaceae	Mexico
Agave xylonacantha	Agavaceae	Mexico
Aglaomorpha heraclea	Polypodiaceae	Sumatra to New Guinea
Aglaonaria robertsii cv. Santa Rosa	Polypodiaceae
Agonis flexuosa	Myrtaceae	W Australia
Ajuga cv. Black Scallop	Lamiaceae
Akebia quinata	Lardizabalaceae	China, Korea, Japan
Albizia sp.	Mimosaceae
Albuca batteniana	Hyacinthaceae	South Africa
Albuca canadensis	Hyacinthaceae	South Africa
Alcantarea imperialis	Bromeliaceae	Brazil
Alcea rosea	Malvaceae
Alectryon coriaceus	Sapindaceae	Australia
Allium unifolium	Amaryllidaceae	United States
Allocasuarina torulosa	Casuarinaceae	E Australia
Alluaudia dumosa	Didiereaceae	Madagascar
Alluaudia humbertii	Didiereaceae	Magadascar
Alluaudia procera	Didiereaceae	Madagascar
Alluaudia procera	Didiereaceae	S & SW Madagascar
Alluaudia sp.	Didiereaceae	Madagascar
Alocasia odora	Araceae	Asia
Aloe aculeata	Asphodelaceae	S. Africa(N.Prov.), Zimbabwe
Aloe aculeata	Asphodelaceae	Zimbabwe
Aloe acutissima	Asphodelaceae	Cen Madagascar
Aloe affinis	Asphodelaceae	South Africa
Aloe africana	Asphodelaceae	South Africa
Aloe africana	Asphodelaceae	South Africa(E. Cape Province)
Aloe alooides	Asphodelaceae	South Africa
Aloe ammophila	Asphodelaceae	South Africa
Aloe amudatensis	Asphodelaceae	Uganda
Aloe angelica	Asphodelaceae	South Africa
Aloe arborescens	Asphodelaceae	South Africa
Aloe arborescens (variegated)	Asphodelaceae
Aloe arborescens x ferox	Asphodelaceae
Aloe arborescens x wickensii	Asphodelaceae
Aloe arenicola	Asphodelaceae	South Africa
Aloe aristata	Asphodelaceae	South Africa
Aloe barbadensis	Asphodelaceae	Saudi Arabia
Aloe barberae	Asphodelaceae	Mozambique
Aloe barberae	Asphodelaceae	S. Africa, Mozambique, Swaz.
Aloe barberae	Asphodelaceae	S. Africa, Mozambizue, Swaz.
Aloe barberae x dichotoma	Asphodelaceae
Aloe betsileensis	Asphodelaceae	Madagascar
Aloe branddraaiensis	Asphodelaceae	South Africa(Mpumalanga)
Aloe brevifolia	Asphodelaceae	South Africa(W. Cape Province)
Aloe broomii	Asphodelaceae	South Africa
Aloe buhrii	Asphodelaceae	South Africa(N. Cape Province)
Aloe bulbillifera	Asphodelaceae	Madagascar
Aloe burgersfortensis	Asphodelaceae	South Africa(Mpumalanga)
Aloe calcairophila	Asphodelaceae	Madagascar
Aloe cameronii	Asphodelaceae	South Africa
Aloe cameronii x arborescens	Asphodelaceae
Aloe camperi	Asphodelaceae	Ethiopia
Aloe candelabrum	Asphodelaceae	South Africa(KwaZulu-Natal)
Aloe capitata v. capitata	Asphodelaceae	Cen Madagascar
Aloe capitata v. cipolinicola	Asphodelaceae	Cen Madagascar
Aloe castanea	Asphodelaceae	South Africa(Northern Prov.)
Aloe chabaudii	Asphodelaceae	South Africa
Aloe chabaudii v. verekeri	Asphodelaceae	South Africa
Aloe ciliaris	Asphodelaceae	South Africa(E. Cape Province)
Aloe classenii	Asphodelaceae	Kenya
Aloe compressa v. rugosquamosa	Asphodelaceae	Cen Madagascar
Aloe comptonii	Asphodelaceae	South Africa
Aloe confusa	Asphodelaceae	Tanzania
Aloe congolense	Asphodelaceae	Kenya
Aloe conifera	Asphodelaceae	Cen Madagascar
Aloe cryptopoda	Asphodelaceae	South Africa(Northern Prov.)
Aloe cv. Lizard Lips	Asphodelaceae
Aloe cv. Olympic Star	Asphodelaceae
Aloe cv. Pink Perfection	Asphodelaceae
Aloe cv. Quicksilver	Asphodelaceae
Aloe cv. Rooikappie	Asphodelaceae
Aloe cv. Sparkling Burgundy	Asphodelaceae
Aloe cyrtophylla	Asphodelaceae	Madagascar
Aloe davyana	Asphodelaceae	South Africa
Aloe dawei	Asphodelaceae	Uganda
Aloe decaryi	Asphodelaceae	Madagascar
Aloe deltoideodonta	Asphodelaceae	Madagascar
Aloe deltoideodonta v. nova	Asphodelaceae	Madagascar
Aloe descoingsii	Asphodelaceae
Aloe descoingsii	Asphodelaceae	Madagascar
Aloe dichotoma	Asphodelaceae	South Africa
Aloe dichotoma	Asphodelaceae	South Africa(N. Cape Province)
Aloe diolii	Asphodelaceae	Sudan
Aloe distans	Asphodelaceae	South Africa(W. Cape Province)
Aloe divaricata	Asphodelaceae	Madagascar
Aloe dolomitica	Asphodelaceae	South Africa(Northern Prov.)
Aloe dorotheae	Asphodelaceae	Tanzania
Aloe dumetorum	Asphodelaceae	Kenya
Aloe elgonica	Asphodelaceae	Kenya
Aloe excelsa	Asphodelaceae	Africa
Aloe excelsa	Asphodelaceae	SW Africa
Aloe ferox	Asphodelaceae
Aloe ferox	Asphodelaceae	South Africa
Aloe ferox x arborescens	Asphodelaceae
Aloe fievettii	Asphodelaceae	Madagascar
Aloe flexilifolia	Asphodelaceae	Tanzania
Aloe forbesii	Asphodelaceae	Yemen(Socotra)
Aloe fragilis	Asphodelaceae	Madagascar
Aloe framesii	Asphodelaceae	South Africa
Aloe gerstneri	Asphodelaceae	South Africa(KwaZulu-Natal)
Aloe globuligemma	Asphodelaceae	South Africa, Zimbabwe
Aloe gracilis	Asphodelaceae	South Africa(E. Cape Province)
Aloe grandidentata	Asphodelaceae	South Africa
Aloe greenii	Asphodelaceae	South Africa(KwaZulu-Natal)
Aloe haggeherensis	Asphodelaceae	Yemen
Aloe harlana	Asphodelaceae	Ethiopia
Aloe hemmingii	Asphodelaceae	Somalia
Aloe humilis	Asphodelaceae	South Africa
Aloe hybrid	Asphodelaceae
Aloe ibitiensis	Asphodelaceae	Cen Madagascar
Aloe intermedia	Asphodelaceae
Aloe jacksonii	Asphodelaceae	Ethiopia
Aloe jucunda	Asphodelaceae	Somalia
Aloe juvenna	Asphodelaceae	Kenya
Aloe karasbergensis	Asphodelaceae	South Africa
Aloe kedongensis	Asphodelaceae	South Africa
Aloe lineata	Asphodelaceae	South Africa
Aloe lutescens	Asphodelaceae	South Africa(Northern Prov.)
Aloe macrocarpa	Asphodelaceae	South Africa
Aloe macroclada	Asphodelaceae	Cen Madagascar
Aloe madecassa	Asphodelaceae	Cen Madagascar
Aloe marlothii	Asphodelaceae	South Africa
Aloe marlothii	Asphodelaceae	SW Africa
Aloe marlothii hybrid	Asphodelaceae
Aloe mawii	Asphodelaceae	Malawi
Aloe mcloughlinii v.	Asphodelaceae	Ethiopia
Aloe melanacantha	Asphodelaceae	S Namibia to South Africa
Aloe microstigma	Asphodelaceae	South Africa
Aloe mitriformis	Asphodelaceae	South Africa(W. Cape Province)
Aloe mubendiensis	Asphodelaceae	Uganda
Aloe mudenensis	Asphodelaceae	South Africa(KwaZulu-Natal)
Aloe mutabilis	Asphodelaceae	South Africa
Aloe ngobitensis	Asphodelaceae	Kenya
Aloe officinalis	Asphodelaceae	Saudi Arabia
Aloe ortholopha	Asphodelaceae	Zimbabwe
Aloe parvibracteata	Asphodelaceae	South Africa
Aloe parvula	Asphodelaceae	Madagascar
Aloe pearsonii	Asphodelaceae	S. Africa(N. Cape Province)
Aloe peckii	Asphodelaceae	Somalia
Aloe petricola	Asphodelaceae	South Africa(Mpumalanga)
Aloe plicatilis	Asphodelaceae	South Africa(W. Cape Province)
Aloe pluridens	Asphodelaceae	South Africa
Aloe polyphylla	Asphodelaceae	Lesotho
Aloe porphyrostachys	Asphodelaceae	Saudi Arabia
Aloe powysiorum	Asphodelaceae	Kenya
Aloe pretoriensis	Asphodelaceae	S Zimbabwe to South Africa
Aloe prinslooi	Asphodelaceae	South Africa(KwaZulu-Natal)
Aloe ramosissima	Asphodelaceae	Namibia,South Africa(N. Cape)
Aloe ramosissima	Asphodelaceae	South Africa
Aloe rauhii	Asphodelaceae	Madagascar
Aloe reitzii	Asphodelaceae	South Africa
Aloe rubroviolacea	Asphodelaceae	Arabia
Aloe rupestris	Asphodelaceae	S Mozambique, S. Africa
Aloe rupestris	Asphodelaceae	Swaziland
Aloe sabaea	Asphodelaceae	Saudi Arabia
Aloe saponaria	Asphodelaceae	South Africa
Aloe schomeri	Asphodelaceae	Madagascar
Aloe scobinifolia	Asphodelaceae	Somalia
Aloe scorpioides	Asphodelaceae	Angola
Aloe secundiflora	Asphodelaceae	E Africa to Sudan
Aloe sessiliflora	Asphodelaceae	South Africa
Aloe sinkatana	Asphodelaceae	Sudan
Aloe somaliensis	Asphodelaceae	Somalia
Aloe somaliensis v. marmorata	Asphodelaceae	Somalia
Aloe sp.	Asphodelaceae
Aloe sp. nov.	Asphodelaceae
Aloe speciosa	Asphodelaceae	South Africa
Aloe spectabilis	Asphodelaceae	South Africa
Aloe spinosissima	Asphodelaceae	South Africa
Aloe squarrosa	Asphodelaceae	Yemen(Socotra)
Aloe striata	Asphodelaceae	SW Africa
Aloe striata ssp. cv. karasbergensis	Asphodelaceae	South Africa, S Namibia
Aloe striatula	Asphodelaceae	S. Africa(E. Cape Prov.)
Aloe succotrina	Asphodelaceae	South Africa(W. Cape Province)
Aloe suprafoliata	Asphodelaceae	Swaziland, South Africa
Aloe suzannae	Asphodelaceae	Madagascar
Aloe swynnertonii	Asphodelaceae	Zimbabwe
Aloe swynnertonii	Asphodelaceae	Zimbabwe, Mozambique
Aloe tenuior	Asphodelaceae	South Africa
Aloe thraskii	Asphodelaceae	South Africa
Aloe tomentosa	Asphodelaceae	Saudi Arabia, Yemen, Somalia
Aloe tororoana	Asphodelaceae	Uganda
Aloe vanbalenii	Asphodelaceae	South Africa
Aloe vaombe	Asphodelaceae	South and Southwest Madagascar
Aloe vaotsanda	Asphodelaceae	Madagascar
Aloe viguieri	Asphodelaceae	SW Madagascar
Aloe virens	Asphodelaceae	South Africa
Aloe wickensii	Asphodelaceae	South Africa
Aloe x calcairophila	Asphodelaceae
Aloe x principis	Asphodelaceae	South Africa
Aloe yavellana	Asphodelaceae	Ethiopia
Aloe zebrina	Asphodelaceae	SW Africa
Alpinia pricei	Zingiberaceae	Taiwan
Alpinia speciosa	Zingiberaceae	SE Asia
Alpinia zerumbet cv. Variegata	Zingiberaceae
Alstroemeria cv. Tall Pink	Alstroemeriaceae
Alyogyne huegelii	Malvaceae	Australia
Alyogyne huegelii cv. Santa Cruz	Malvaceae	Australia
Amaryllis belladonna	Amaryllidaceae	South Africa
Amorphophallus konjac	Araceae	S. China
Anacampseros telephiastrum	Portulacaceae	South Africa
Anagallis arvensis	Primulaceae
Ananas bracteatus v. striatus	Bromeliaceae	Brazil
Anemia phyllitidis	Schizaeaceae	Tropical America
Angophora costata	Myrtaceae	Australia
Angraecum suberbum	Orchidaceae	Madagascar
Anigozanthos cv. Bush Tango	Haemodoraceae
Anigozanthos flavidus	Haemodoraceae	W Australia
Anigozanthos flavidus cv. Pink	Haemodoraceae
Anthurium berriozabalense	Araceae	S Mexico
Anthurium cf. podophyllum	Araceae	Mexico
Anthurium hookeri	Araceae	Guyana, West Indies
Anthurium podophyllum	Araceae	Mexico
Anthurium polyphytum	Araceae
Anthurium scandens	Araceae	Mexico, C & S Amer, W. Indies
Anthurium sp.	Araceae
Anthurium spectabile	Araceae	Costa Rica
Anthurium x podophyllum	Araceae
Aponogeton distachyus	Aponogetonaceae	South Africa
Aporocactus flagelliformis	Cactaceae	Mexico
Aptenia cordifolia	Aizoaceae	South Africa
Arachniodes davalliformis	Dryopteridaceae
Arachniodes standishii	Dryopteridaceae	Japan, Korea
Araucaria araucana	Araucariaceae	Chile
Araucaria bidwillii	Araucariaceae	Australia
Araucaria cunninghamii	Araucariaceae	E Australia
Araucaria heterophylla	Araucariaceae	Australia(Norfolk Is.)
Araucaria rulei	Araucariaceae	New Caledonia
Archontophoenix alexandrae	Arecaceae	Australia(Queensland)
Archontophoenix cunninghamiana	Arecaceae	SE Australia
Archontophoenix sp. nov.	Arecaceae	E Australia
Arctostaphylos cv. Howard McMinn	Ericaceae
Arctostaphylos densiflora cv. Howard McMinn	ericacaea	California
Arctotis acaulis cv. Big Magenta	Asteraceae	South Africa
Arenga engleri	Arecaceae	Taiwan, Japan(Ryukyu Is.)
Arenga pinnata	Arecaceae
Arenga pinnata	Arecaceae	Tropical Asia
Arequipa hazalae	Cactaceae	Peru
Aristea ecklonii	Iridaceae	Africa
Aristolochia elegans	Aristolochiaceae	Brazil
Aristolochia fimbriata	Aristolochiaceae	Argentina, Paraguay, Brazil
Aristolochia gigantea	Aristolochiaceae	Brazil
Armatocereus cartwrightianus	Cactaceae	S Ecuador, N Peru
Armatocereus churinensis	Cactaceae	Peru
Armatocereus godingianus	Cactaceae	Ecuador
Armatocereus mataranus	Cactaceae	Ecuador, Peru
Armatocereus matucanensis	Cactaceae	Ecuador, Peru
Armatocereus sp.	Cactaceae
Armeria maritima	Plumbaginaceae	Worldwide
Artemisia ludoviciana cv. Silver King	Asteraceae
Artemisia stellerana	Asteraceae
Arthropteris monocarpa	Oleandraceae	Tropical Africa
Arthropteris tenella	Oleandraceae	Australia, New Zealand
Asclepias cancellata	Asclepiadaceae	South Africa
Asclepias curassavica	Asclepiadacaea
Asclepias curassavica cv. Silky Scarlet	Asclepiadaceae
Asclepias fascicularis	Asclepiadacaea	W. North America
Asclepias fascicularis	Asclepiadaceae	NW U.S.
Asclepias incarnata cv. Soulmate	Asclepiadaceae
Asclepias speciosa	Asclepiadaceae	W North America
Asclepias tuberosa	Asclepiadaceae	Eastern United States
Asclepias tuberosa cv. Gay Butterflies	Asclepiadaceae
Aspidistra elatior	Convallariaceae	Japan
Aspidistra elatior cv. Variegata	Convallariaceae
Aspidistra sp.	Convallariaceae
Asplenium antiguum	Polypodiaceae	S Japan
Asplenium bulbiferum	Polypodiaceae	SE Australia
Asplenium daucifolium	Polypodiaceae	Mauritius, Madagascar
Asplenium goudeyi	Aspleniaceae	Australia
Asplenium nidus	Polypodiaceae	Asian Tropics, Polynesia
Asplenium nidus cv. Lazana	Polypodiaceae
Asplenium oblongifolium	Aspleniaceae	New Zealand
Asplenium surrogatum	Aspleniaceae	Lord Howe Island
Asplenium surrogatum	Polypodiaceae	Australia (Lord Howe Is.)
Astelia chathamica cv. Silver Spear	Asteliaceae
Aster sp.	Asteraceae
Asteriscus maritimas cv. Gold Coin	Asteraceae
Astroloba deltoidea	Asphodelaceae	South Africa
Astrophytum asterias	Cactaceae	Texas, Mexico
Astrophytum cv. Lotusland	Cactaceae
Astrophytum myriostigma	Cactaceae	Mexico
Astrophytum ornatum	Cactaceae	Cen Mexico
Athyrium felix-femina cv. Victoria	Dryopteridaceae	Boreal
Athyrium filix-femina cv. Cristata	Dryopteridaceae
Athyrium nipponicum cv. Pictum	Dryopteridaceae	China and Japan
Atriplex canescens	Chenopodiacea	North America
Atriplex canescens	Chenopodiaceae	USA
Atriplex lentiformis	Chenopodiaceae	SW United States, N Mexico
Atriplex lentiformis	Chenopodiaceae	Western US
Atriplex lentiformis ssp. breweri	Chenopodiaceae	SW United States to NW Mexico
Aucuba japonica	Cornaceae	Himalayas to Japan
Aucuba japonica cv. Variegata	Cornaceae
Austrocylindropuntia subulata	Cactaceae	Peru, Bolivia, Argentina
Austrocylindropuntia vestita	Cactaceae	Bolivia, N Argentina
Azara integrifolia	Flacourtiaceae	Chile
Azara sp.	Flacourtiaceae
Azorina vidalii	Campanulaceae	Portugal
Baccharis pilularis	Asteraceae
Baccharis pilularis	Asteraceae	N California Coast
Baccharis pilularis	Asteraceae	Western US
Baccharis pilularis cv. Compacta	Asteraceae
Baccharis pilularis v. consanguinea	Asteraceae	Coastal CA and S Oregon
Baccharis salicifolia	Asteraceae	S. America
Baccharis viminea	Asteraceae	California
Bacopa monnieri	Scrophulariaceae	Pantropical
Bambusa bambos	Poaceae	India
Bambusa beecheyana	Poaceae	China
Bambusa blumeana	Poaceae	India, Indonesia
Bambusa dolichomerithalla cv. Green Stripe	Poaceae
Bambusa eutuldoides	Poaceae	China(Hong Kong)
Bambusa longispiculata	Poaceae	Burma
Bambusa membranacea	Poaceae	China
Bambusa nutans	Poaceae	Thailand
Bambusa oldhamii	Poaceae	China, Taiwan
Bambusa sp.	Poaceae
Bambusa textilis	Poaceae	China
Bambusa tulda	Poaceae	SE Asia
Bambusa tuldoides	Poaceae	S. China
Bambusa ventricosa	Poaceae	China
Bambusa vulgaris cv. Vittata	Poaceae
Banksia baueri	Proteaceae	W Australia
Banksia integrifolia	Proteaceae	W Australia
Banksia littoralis	Proteaceae	W Australia
Banksia serrata	Proteaceae	E Australia
Barleria obtusa	Acanthaceae	South Africa
Barleria repens cv. Rosea	Acanthaceae
Bauhinia corniculata	Caesalpiniaceae	Asia
Bauhinia galpinii	Caesalpiniaceae	African Tropics
Bauhinia tomentosa	Caesalpiniaceae	South Africa
Beaucarnea inermis	Nolinaceae	Mexico
Beaucarnea recurvata	Nolinaceae	Mexico
Beaucarnea stricta	Nolinaceae	Mexico
Beaucarnea stricta	Nolinaceae	S Cen Mexico
Beccariophoenix madagascariensis	Arecaceae	Madagascar
Begonia acuminata	Begoniaceae	Jamaica
Begonia acutifolia	Begoniaceae	Jamaica
Begonia albo-picta cv. Rosea	Begoniaceae
Begonia angularis	Begoniaceae	Brazil
Begonia angulata	Begoniaceae	Brazil
Begonia barkeri	Begoniaceae	Mexico
Begonia bufoderma	Begoniaceae
Begonia cardiocarpa	Begoniaceae	Nicaragua
Begonia carrieae x Bokit	Begoniaceae
Begonia castaneifolia	Begoniaceae	Brazil
Begonia convolvulacea	Begoniaceae	Brazil
Begonia cv. Beefsteak	Begoniaceae
Begonia cv. Bird's Nest	Begoniaceae
Begonia cv. Black Taffeta	Begoniaceae
Begonia cv. Boanza	Begoniaceae
Begonia cv. Boomer	Begoniaceae
Begonia cv. Bronze Twist	Begoniaceae
Begonia cv. Brown Derby	Begoniaceae
Begonia cv. Carnivale	Begoniaceae
Begonia cv. Carousel	Begoniaceae
Begonia cv. Castaway	Begoniaceae
Begonia cv. Catalina	Begoniaceae
Begonia cv. Cathedral	Begoniaceae
Begonia cv. Chiba	Begoniaceae
Begonia cv. Cimarron	Begoniaceae
Begonia cv. Cleopatra	Begoniaceae
Begonia cv. Coastal Queen	Begoniaceae
Begonia cv. Colonel Gale	Begoniaceae
Begonia cv. Comedian	Begoniaceae
Begonia cv. Corralina de Lucerna	Begoniaceae
Begonia cv. Crestabruchii	Begoniaceae
Begonia cv. Daisy	Begoniaceae
Begonia cv. Darlene Fuentes	Begoniaceae
Begonia cv. Decker's Select	Begoniaceae
Begonia cv. Dragon Wings	Begoniaceae
Begonia cv. Dwarf Richmondensis	Begoniaceae
Begonia cv. Emerald Glow	Begoniaceae
Begonia cv. Emerald Splendor	Begoniaceae
Begonia cv. Essie Hunt	Begoniaceae
Begonia cv. Eunice Gray	Begoniaceae
Begonia cv. Euphrates	Begoniaceae
Begonia cv. Fiji Island	Begoniaceae
Begonia cv. Flamingo	Begoniaceae
Begonia cv. Floribunda Rosea	Begoniaceae
Begonia cv. Foster Park	Begoniaceae
Begonia cv. Freda's Folly	Begoniaceae
Begonia cv. Freddy	Begoniaceae
Begonia cv. Gartersnake	Begoniaceae
Begonia cv. Gene Daniels	Begoniaceae
Begonia cv. Ginny	Begoniaceae
Begonia cv. Great Gatsby	Begoniaceae
Begonia cv. Gypsy Maiden	Begoniaceae
Begonia cv. Hattie Wordon	Begoniaceae
Begonia cv. Hieroglyphics	Begoniaceae
Begonia cv. Holly's Rhyme	Begoniaceae
Begonia cv. Inland Empire	Begoniaceae
Begonia cv. Irene Nuss	Begoniaceae
Begonia cv. J-11	Begoniaceae
Begonia cv. Jeanne Jones	Begoniaceae
Begonia cv. Joe Hayden	Begoniaceae
Begonia cv. King Cobra	Begoniaceae
Begonia cv. Kit Kat	Begoniaceae
Begonia cv. Lady Clare	Begoniaceae
Begonia cv. Lady McEldery	Begoniaceae
Begonia cv. Little Brother Montgomery	Begoniaceae
Begonia cv. Little Miss Mummey	Begoniaceae
Begonia cv. Lomita Lady	Begoniaceae
Begonia cv. Lotusland	Begoniaceae
Begonia cv. Madame Queen	Begoniaceae
Begonia cv. Magdaline Madsen	Begoniaceae
Begonia cv. Maribel Pink Shades	Begoniaceae
Begonia cv. Marmaduke	Begoniaceae
Begonia cv. Medora	Begoniaceae
Begonia cv. Mrs. Fickworth	Begoniaceae
Begonia cv. Mrs. Fred Scripps	Begoniaceae
Begonia cv. Muddy Waters	Begoniaceae
Begonia cv. Night Crossing	Begoniaceae
Begonia cv. Nora Bedson	Begoniaceae
Begonia cv. Olympic Queen	Begoniaceae
Begonia cv. Pastel Princess	Begoniaceae
Begonia cv. Patriot Games	Begoniaceae
Begonia cv. Paul Hernandez	Begoniaceae
Begonia cv. Pinafore	Begoniaceae
Begonia cv. Pink Cane	Begoniaceae
Begonia cv. Pink Taffeta	Begoniaceae
Begonia cv. Porterville	Begoniaceae
Begonia cv. Ramirez	Begoniaceae
Begonia cv. Raspberry Moon	Begoniaceae
Begonia cv. Richmondensis	Begoniaceae
Begonia cv. Rip Van Winkle	Begoniaceae
Begonia cv. River Nile	Begoniaceae
Begonia cv. Robert Shatzer	Begoniaceae
Begonia cv. Rogue	Begoniaceae
Begonia cv. Rudy's Luxuriens	Begoniaceae
Begonia cv. Sharon Seele	Begoniaceae
Begonia cv. Shelley Andros	Begoniaceae
Begonia cv. Sophie Cecile	Begoniaceae
Begonia cv. Southampton	Begoniaceae
Begonia cv. Steve Tapia	Begoniaceae
Begonia cv. Sweet Magic	Begoniaceae
Begonia cv. Swordfighter x carolineifolia	Begoniaceae
Begonia cv. Sylvan Triumph	Begoniaceae
Begonia cv. Thurstonii	Begoniaceae
Begonia cv. Tom's Fantasy	Begoniaceae
Begonia cv. Trickster	Begoniaceae
Begonia cv. Turk Murphy	Begoniaceae
Begonia cv. Unconventional	Begoniaceae
Begonia cv. Viaudii	Begoniaceae
Begonia cv. White Sabers	Begoniaceae
Begonia cv. Yanonali	Begoniaceae
Begonia cv. Zuensis	Begoniaceae
Begonia domingensis	Begoniaceae	Caribbean
Begonia echinosepala	Begoniaceae	Brazil
Begonia foliosa	Begoniaceae	Colombia, Venezuela, Ecuador
Begonia foliosa v. miniata	Begoniaceae	Venezuela
Begonia fuchsioides	Begoniaceae	Venezuela
Begonia gehrtii	Begoniaceae	Brazil
Begonia hybrid	Begoniaceae
Begonia hydrocotylifolia	Begoniaceae	Mexico
Begonia johnstonii	Begoniaceae	East Tropical Africa
Begonia luxurians	Begoniaceae	Brazil
Begonia manicata v. aureo-maculata	Begoniaceae	Mexico
Begonia megaphylla	Begoniaceae	Mexico
Begonia parilis	Begoniaceae	Brazil
Begonia peltata	Begoniaceae	Mexico & C. America
Begonia sp.	Begoniaceae
Begonia tomentosa	Begoniaceae	Brazil
Begonia vitafolia	Begoniaceae	Brazil
Begonia x erythrophylla	Begoniaceae	Hort. Origin
Begonia x erythrophyllum	Begoniaceae
Begonia x ricinifolia	Begoniaceae
Begonia x semperflorens	Begoniaceae
Bellis perennis	Asteraceae	Europe, Mediterranean
Bergenia crassifolia	Saxifragaceae	Siberia, Mongolia
Bergeranthus jamesii	Aizoaceae	South Africa(E. Cape Province)
Bergerocactus emoryi	Cactaceae	SW California, Mexico
Beschorneria albiflora	Agavaceae	S. Mexico, Guatemala
Beschorneria cv. Ding Dong seedlings	Agavaceae
Beschorneria rigida	Agavaceae	Central Mexico
Beschorneria sp.	Agavaceae
Beschorneria yuccoides	Agavaceae	Mexico
Beschorneria yuccoides ssp. yuccoides	Agavaceae	Mexico
Bidens cv. Madame Ganna Walska	Asteraceae
Bidens nudata	Asteraceae	Mexico(Baja California)
Billbergia brasiliensis	Bromeliaceae	Brazil
Billbergia cv. Fantasia	Bromeliaceae
Billbergia cv. Muriel Waterman	Bromeliaceae
Billbergia cv. Pink Fantasia	Bromeliaceae
Billbergia cv. Santa Barbara	Bromeliaceae
Billbergia elegans hybrid	Bromeliaceae
Billbergia nutans	Bromeliaceae	Argentina, Brazil, Uruguay
Billbergia pyramidalis cv. Kyoto	Bromeliaceae
Billbergia pyramidalis v. pyramidalis	Bromeliaceae	Brazil
Billbergia pyramidalis v. striata	Bromeliaceae	S Brazil
Billbergia sanderiana	Bromeliaceae	Brazil
Billbergia saundersii	Bromeliaceae	Brazil
Billbergia sp.	Bromeliaceae
Billbergia venezuelana	Bromeliaceae	Venezuela
Billbergia vittata cv. Exotica	Bromeliaceae
Blechnum cordatum	Blechnaceae	Chile, Argentina
Blechnum gibbum cv. Silver Lady	Blechnaceae
Blechnum gracile	Blechnaceae	Tropical America
Blechnum moorei	Blechnaceae	South Pacific
Blechnum occidentale	Blechnaceae	S. America, Mexico & W. Indies
Blechnum sp.	Blechnaceae
Bobgunnia madagascariensis	Papilionaceae	Africa
Bolivicereus margaritanus	Cactaceae
Boltonia asteroides	Asteraceae	E United States
Boophane disticha	Amaryllidaceae
Borzicactus sp.	Cactaceae
Boswellia nana	Burseraceae	Yemen(Socotra)
Boswellia serrata	Burseraceae	India
Bowenia spectabilis	Stangeriaceae	NE Australia
Bowiea volubilis	Hyacinthaceae	South Africa
Brachychiton acerifolius	Sterculiaceae	E Australia
Brachychiton australis	Sterculiaceae	Australia
Brachychiton bidwillii	Sterculiaceae	Australia(Queensland)
Brachychiton discolor	Sterculiaceae	E Australia
Brachychiton populneus	Sterculiaceae	Australia
Brachychiton rupestris	Sterculiaceae	Australia
Brachychiton rupestris	Sterculiaceae	Australia(Queensland)
Brachychiton x hybridus	Sterculiaceae	Australia(Queensland)
Brachysema praemorsum cv. Bronze Butterfly	Fabaceae
Brahea aculeata	Arecaceae	S U.S., Mexico
Brahea armata	Arecaceae	Baja California
Brahea brandegeei	Arecaceae	Baja California
Brahea clara	Arecaceae	Baja California
Brahea edulis	Arecaceae	Mexico(Guadelupe Is.)
Brahea elegans	Arecaceae	Mexico(Sonora)
Brahea nitida	Arecaceae	Mexico
Brahea sp.	Arecaceae
Brahea sp.	Arecaceae	Mexico
Brasiliopuntia sp.	Cactaceae	South America
Brassocattleya lindleyi	Orchidaceae
Brighamia insignis	Campanulaceae	Hawaii
Brighamia insignis cv. Kirsten	Campanulaceae	Hawaii
Brighamia rockii	Campanulaceae	Hawaii(Molokai)
Bromelia balansae	Bromeliaceae	South America
Bromelia horstii	Bromeliaceae	Brazil
Bromelia pinguin cv. Variegata	Bromeliaceae
Bromeliad hybrid	Bromeliaceae
Broussonetia papyrifera	Moraceae	E Asia to Polynesia
Browningia caineana	Cactaceae	Bolivia
Browningia candelaris	Cactaceae	Peru
Browningia chlorocarpa	Cactaceae	N Peru
Browningia hertlingiana	Cactaceae	Peru
Browningia sp.	Cactaceae
Browningia viridis	Cactaceae	Peru
Brugmansia sanguinea	Solanaceae	NC Colombia to Chile
Brugmansia sp.	Solanaceae
Brugmansia versicolor	Solanaceae	Ecuador
Brugmansia x candida	Solanaceae	Ecuador
Brugmansia x insignis	Solanaceae
Brunfelsia jamaicensis	Solanaceae	Jamaica
Brunfelsia lactea	Solanaceae	Puerto Rico
Brunfelsia pauciflora v. calycina	Solanaceae
Buddleja davidii cultivars	Buddlejaceae
Buddleja diversiloba	Buddlejaceae
Bulbine alooides	Asphodelaceae	South Africa
Bulbine frutescens cv.	Asphodelaceae
Bulbine frutescens cv. Hallmark	Asphodelaceae
Bulbine natalensis	Asphodelaceae	South Africa
Bursera cuneata	Burseraceae	Mexico(Jalisco, Oaxaca)
Bursera fagaroides v. fagaroides	Burseraceae	Mexico
Bursera filicifolia	Burseraceae	Baja California
Bursera glabrifolia	Burseraceae	Mexico(Jalisco, Oaxaca)
Bursera grandifolia	Burseraceae	Mexico
Bursera sp.	Burseraceae
Bursera tenuifolia	Burseraceae	South America
Butia capitata	Arecaceae	Brazil, Uruguay, Argentina
Butia paraguenses	Arecaceae	South America
Butia sp.	Arecaceae
Buxus microphylla	Buxaceae
Buxus microphylla v. insularis cv. Winter Gem	Buxaceae
Buxus sp.	Buxaceae
Caesalpinia cacalaco	Caesalpiniaceae	S Mexico
Caesalpinia sp.	Caesalpiniaceae
Calamagrostis nutkaensis	Poaceae	Western United States
Calibanus hookeri	Nolinaceae	Mexico
Calibanus hybrid	Nolinaceae
Calliandra sp.	Mimosaceae
Callistemon citrinus cv. Jeffersii	Myrtaceae	Australia
Callistemon cv. Cane's Hybrid	Myrtaceae
Callistemon cv. Little John	Myrtaceae
Callistemon montanus	Myrtaceae	E Australia
Callistemon pinifolius	Myrtaceae	Australia(New South Wales)
Callistemon salignus	Myrtaceae	SE Australia
Callistemon speciosus	Myrtaceae	W Australia
Callitris rhomboidea	Cupressaceae	Australia
Calocedrus decurrens	Cupressaceae	Oregon to California
Calodendrum capense	Rutaceae
Calpurnia aurea ssp. aurea	Fabaceae	South Africa
Camellia cv. Yume	Theaceae
Camellia japonica cv.	Theaceae
Camellia japonica cv. Bob Hope	Theaceae
Camellia japonica cv. C.M. Wilson	Theaceae
Camellia japonica cv. Calypso	Theaceae
Camellia japonica cv. Chandler Elegans Variegated	Theaceae
Camellia japonica cv. Colonel Fiery	Theaceae
Camellia japonica cv. Daijohkan	Theaceae
Camellia japonica cv. Daikhjan	Theaceae
Camellia japonica cv. Debutante	Theaceae
Camellia japonica cv. Debutante Benten	Theaceae
Camellia japonica cv. Elegans	Theaceae
Camellia japonica cv. Herme	Theaceae
Camellia japonica cv. Kramer Supreme	Theaceae
Camellia japonica cv. Magnoliaeflora	Theaceae
Camellia japonica cv. Moonlight Sonata	Theaceae
Camellia japonica cv. Mrs. Charles Cobb	Theaceae
Camellia japonica cv. Mrs. D.W. Davis	Theaceae
Camellia japonica cv. Nuccio's Pink Lace	ericacaea
Camellia japonica cv. Pink Pagoda	Theaceae
Camellia japonica cv. Shira Ogi	Theaceae
Camellia japonica cv. Shiro Chan	Theaceae
Camellia japonica cv. Zorina	Theaceae
Camellia lutchuensis cv. Minato-No-Akebono	Theaceae
Camellia lutchuensis cv. Minato-No-Haru	Theaceae
Camellia lutchuensis cv. Tenju	Theaceae
Camellia reticulata cv. Buddha	Theaceae
Camellia reticulata cv. E.G. Waterhouse	Theaceae
Camellia sasanqua cv.	Theaceae
Camellia sasanqua cv. Choji Guruma	Theaceae
Camellia sasanqua cv. Himekoki	Theaceae
Camellia sasanqua cv. Showa-no-sakae	Theaceae
Campanula poscharskyana	Campanulaceae	Europe
Campanula poscharskyana	Campanulaceae	N Yugoslavia
Campanula poscharskyana cv. Alba	Campanulaceae	Europe
Campylanthus salsoloides	Scrophulariaceae	Spain(Canary Islands)
Campyloneurum angustifolia	Polypodiaceae	Tropical America
Campyloneurum sp.	Polypodiaceae
Campyloneurum xalapense	Polypodiaceae	Mexico
Canistrum cv. Leopardinum	Bromeliaceae
Canistrum triangulare	Bromeliaceae	Brazil
Canistrum wendlandii	Bromeliaceae
Canna cv. Pretoria	Cannaceae
Canna hybrid	Cannaceae
Canna x ehemanni	Cannaceae
Canna x generalis cv. King Humbert	Cannaceae
Cantua buxifolia	Polemoniaceae	Peru, Bolivia, N Chile
Capparis spinosa	Capparaceae	Greece
Carex albula	Cyperaceae	S Australia
Carex elata cv. Bowles Golden	Cyperaceae
Carex glauca	Cyperaceae	Central Europe
Carex morrowii cv. Aurea-Variegata	Cyperaceae
Carex muskingumensis	Cyperaceae	Central United States
Carex solandri	Cyperaceae	New Zealand
Carex spissa	Cyperaceae	California
Carica quercifolia	Caricaceae	South America
Carludovica palmata	Cyclanthaceae	Central and South America
Carnegeia gigantea	Cactaceae	United States, Mexico(Sonora)
Caryota mitis	Arecaceae	India to Philippines, Java
Caryota no	Arecaceae	Borneo
Caryota obtusa	Arecaceae	N India
Caryota ochlandra	Arecaceae	S China
Caryota rumphiana	Arecaceae	Australia, India, Philippines
Caryota sp	Arecaceae	Indonesia
Caryota sp.	Arecaceae
Caryota urens	Arecaceae
Caryota urens	Arecaceae	India, Sri Lanka, Malay Penn.
Cassia excelsa	Caesalpiniaceae	E Brazil
Castanea cv. Colossal	Fagaceae
Casuarina cristata	Casuarinaceae	Australia
Casuarina equisetifolia	Casuarinaceae	Australia
Catalpa speciosa	Bignoniaceae	E United States
Cattleya cv. Sue Ozella	Orchidaceae
Ceanothus arboreus	Rhamnaceae
Ceanothus arboreus	Rhamnaceae	Channel Islands, CA
Ceanothus arboreus	Rhamnaceae	Is. off California coast
Ceanothus cuneatus	Rhamnaceae	Oregon to Baja, CA
Ceanothus cv. Centennial	Rhamnaceae
Ceanothus cv. Concha	Rhamnaceae
Ceanothus cv. Dark Star	Rhamnaceae
Ceanothus cv. Ray Hartman	Rhamnaceae
Ceanothus gloriosus cv. Anchor Bay	Rhamnaceae
Ceanothus griseus v. horizontalis cv. Yankee Point	Rhamnaceae
Ceanothus griseus v. horizontalis cv. Yankee Point	Rhamnaceae	California
Ceanothus impressus	Rhamnaceae	Coastal Cen California
Ceanothus spinosus	Rhamnaceae	California and Mexico
Ceanothus thyrsiflorus	Rhamnaceae	California to S Oregon
Ceaonthus cultivars	Rhamnaceae
Cedrela sinensis	Meliaceae	China
Cedrus atlantica	Pinaceae	Algeria
Cedrus atlantica cv. Glauca	Pinaceae
Cedrus atlantica cv. Glauca Pendula	Pinaceae
Cedrus deodara	Pinaceae	Himalayas
Ceiba pentandra	Bombacaceae	Mexico
Centranthus ruber	Valerianaceae	Mediterranean
Cephalocereus senilis	Cactaceae	Mexico
Ceratophyllum demersum	Ceratophyllaceae	Worldwide
Ceratostigma plumbaginoides	Plumbaginaceae	W China
Ceratozamia beccarae	Zamiaceae	Mexico(Tabasco)
Ceratozamia hildae	Zamiaceae	Mexico
Ceratozamia kuesteriana	Zamiaceae	Mexico(Tamaulipas)
Ceratozamia latifolia	Zamiaceae	Mexico
Ceratozamia mexicana	Zamiaceae	Mexico
Ceratozamia microstrobila	Zamiaceae	Mexico
Ceratozamia microstrobila x sp. aff. mexicana	Zamiaceae
Ceratozamia miqueliana	Zamiaceae	Mexico(Veracruz)
Ceratozamia miqueliana "Malpaso"	Zamiaceae	Mexico
Ceratozamia mixeorum	Zamiaceae	Mexico(Oaxaca)
Ceratozamia morettii	Zamiaceae	Mexico(Veracruz)
Ceratozamia norstogii	Zamiaceae	Mexico
Ceratozamia robusta	Zamiaceae	Mexico, Belize & Guatemala
Ceratozamia sabatoi	Zamiaceae	Mexico
Ceratozamia soconuscensis	Zamiaceae	Mexico(Chiapas)
Ceratozamia sp.	Zamiaceae
Ceratozamia sp. nov. "Jalapa"	Zamiaceae	Mexico(Veracruz)
Ceratozamia sp. nov. "Naranjal"	Zamiaceae	Mexico(Veracruz)
Ceratozamia sp. nov. "Puerto Escondido"	Zamiaceae	Mexico
Ceratozamia sp. nov. "Xilitla"	Zamiaceae
Ceratozamia whitelockiana	Zamiaceae	Mexico(Oaxaca)
Ceratozamia zaragozae	Zamiaceae	Mexico(San Luis Potosi)
Ceratozamia zoquorum	Zamiaceae	Mexico(Chiapas)
Cercidiphyllum japonicum	Cercidiphyllaceae	China, Japan
Cercidium cv. Desert Museum	Fabaceae
Cercis occidentalis	Fabaceae	CA, AZ, UT
Cereus "labouritanus"	Cactaceae
Cereus aethiops	Cactaceae	N. Argentina, S. Brazil
Cereus alacriportanus	Cactaceae	Brazil, Uruguay, Paraguay
Cereus cf. huntingtonianus	Cactaceae
Cereus collosus	Cactaceae	Brazil
Cereus comarapanus	Cactaceae	Bolivia(Santa Cruz)
Cereus formosus	Cactaceae	Brazil
Cereus glaucus	Cactaceae	Unknown
Cereus hankeanus	Cactaceae	Argentina, Bolivia
Cereus hildmannianus	Cactaceae	Brazil, Arg., Paraguay, Urug.
Cereus huilunchu	Cactaceae	Bolivia(Cochabamba)
Cereus hybrid	Cactaceae
Cereus hybrid f. monstrosus	Cactaceae
Cereus jamacaru	Cactaceae	Brazil
Cereus jamacaru f. monstrosus	Cactaceae	Brazil
Cereus lamprospermus ssp. colosseus	Cactaceae	Bolivia
Cereus micropetalis	Cactaceae	Bolivia
Cereus peruvianus f. monstrosus	Cactaceae	SE South America
Cereus peruvianus v. persicinus	Cactaceae
Cereus peruvianus v. reclinatus	Cactaceae
Cereus repandus	Cactaceae	Venezuela, W Caribbean
Cereus sp.	Cactaceae
Cereus sp.	Cactaceae	Bolivia
Cereus stenogonus	Cactaceae	Argentina, Paraguay
Cereus validus	Cactaceae	E Bolivia, Argentina
Cereus vargasianus	Cactaceae	Peru
Cereus variabilis	Cactaceae	Brazil
Cereus variabilis f. monstrosus	Cactaceae	Brazil
Ceropegia dichotoma	Asclepiadaceae
Ceropegia dichotoma	Asclepiadaceae	Spain(Canary Islands)
Ceropegia fusca	Asclepiadaceae	Spain(Canary Islands)
Ceroxylon quindiuense	Arecaceae	Colombia
Cestrum elegans	Solanaceae	American Tropics
Chamaecyparis lawsoniana	Cupressaceae	SW California to NW Oregon
Chamaecyparis nidifera cv. Nestoides	Cupressaceae
Chamaecyparis obtusa cv. Ericoides	Cupressaceae
Chamaecyparis obtusa cv. Gracilis	Cupressaceae
Chamaecyparis obtusa cv. Kosteri	Cupressaceae
Chamaecyparis obtusa cv. Nana Gracilis	Cupressaceae
Chamaecyparis obtusa cv. Reis Dwarf	Cupressaceae
Chamaecyparis pisifera cv. Cyano-viridis	Cupressaceae
Chamaecyparis sp.	Cupressaceae
Chamaedorea allenii	Arecaceae	Panama
Chamaedorea alternans	Arecaceae	Mexico(Veracruz)
Chamaedorea arenbergiana	Arecaceae	Mexico to Guatemala & Honduras
Chamaedorea brachypoda	Arecaceae	Guatemala, Honduras
Chamaedorea carchensis	Arecaceae	Mexico, Guatemala
Chamaedorea cataractarum	Arecaceae	S Mexico
Chamaedorea costaricana	Arecaceae	Costa Rica, Nicaragua,Honduras
Chamaedorea cv. Irving Cantor	Arecaceae
Chamaedorea elatior	Arecaceae
Chamaedorea elatior	Arecaceae	Mexico, Guatemala
Chamaedorea elegans	Arecaceae	Mexico, Guatemala, Belize
Chamaedorea ernesti-augustii	Arecaceae	Belize
Chamaedorea ernesti-augustii	Arecaceae	Mexico to Honduras
Chamaedorea falcifera	Arecaceae
Chamaedorea fragrans	Arecaceae	Peru
Chamaedorea geonomiformis	Arecaceae	Mexico to Honduras
Chamaedorea glaucifolia	Arecaceae	Mexico(Chiapas)
Chamaedorea hooperiana	Arecaceae	Mexico(Veracruz)
Chamaedorea klotzschiana	Arecaceae	Mexico(Veracruz)
Chamaedorea linearis	Arecaceae	Venezuela to Bolivia
Chamaedorea metallica	Arecaceae	Mexico
Chamaedorea microspadix	Arecaceae	Mexico
Chamaedorea nationsiana	Arecaceae	Guatemala
Chamaedorea neurochlamys	Arecaceae	S Mexico to Honduras
Chamaedorea nubium	Arecaceae	Mexico, Guatemala, El Salvador
Chamaedorea oblongata	Arecaceae	Mexico to Nicaragua
Chamaedorea pedunculata	Arecaceae	Costa Rica(Puntarenas)
Chamaedorea pinnatifrons	Arecaceae	Mexico to South America
Chamaedorea plumosa	Arecaceae	Mexico
Chamaedorea pochutlensis	Arecaceae	W Mexico
Chamaedorea quezallteca	Arecaceae	Mexico(Chiapas) to Honduras
Chamaedorea radicalis	Arecaceae	Mexico
Chamaedorea rhizomatosa	Arecaceae	Mexico(Oaxaca)
Chamaedorea rojasiana	Arecaceae	Mexico(Chiapas), Guatemala
Chamaedorea rossteniorum	Arecaceae	Costa Rica, Panama
Chamaedorea sartorii	Arecaceae	Mexico, Honduras
Chamaedorea schiedeana	Arecaceae	Mexico
Chamaedorea seifrizii	Arecaceae	S Mexico to Honduras
Chamaedorea sp.	Arecaceae
Chamaedorea stolonifera	Arecaceae	Mexico(Chiapas)
Chamaedorea tenella	Arecaceae	Mexico, Costa Rica
Chamaedorea tepejilote	Arecaceae	SE Mexico to N Colombia
Chamaedorea warscewiczii	Arecaceae	Panama, Costa Rica
Chamaedorea woodsoniana	Arecaceae	Mexico, Cen America
Chamaerops humilis	Arecaceae	S Europe & N Africa
Chambeyronia macrocarpa	Arecaceae	New Caledonia
Chambeyronia sp.	Arecaceae
Cheiridopsis candidissima	Aizoaceae	South Africa
Chilopsis linearis	Bignoniaceae	SW US to N Mexico
Chimonanthus praecox	Calycanthaceae	China
Chimonobambusa quadrangularis	Poaceae	China
Chlorophytum comosum cv. Variegatum	Liliaceae
Chondropetalum elephantinum	Restionaceae	Africa
Chorisia speciosa	Bombacaceae	Argentina, Brazil
Chrysanthemum coccineum	Asteraceae
Chrysanthemum paludosum	Asteraceae	W Mediterranean
Chusquea aff. culeou	Poaceae	Chile
Chusquea coronalis	Poaceae	Central America
Cibotium glaucum	Dicksoniaceae	Hawaii
Cibotium schiedei	Dicksoniaceae	Mexico, Guatemala
Cinnamomum camphora	Lauraceae	China, Taiwan, Japan
Cinnamomum zeylanicum	Lauraceae	India, Sri Lanka, Myanmar
Cipocereus sp.	Cactaceae	Brazil
Cissus tuberosa	Vitaceae	Mexico
Cistanthe grandiflora cv. Jazz Time	Portulacaceae
Cistus cv. Sunset	Cistaceae
Cistus salviifolius cv. Prostratus	Cistaceae	Europe
Cistus sp.	Cistaceae
Citrus aurantifolia	Rutaceae
Citrus aurantifolia cv. Bearss	Rutaceae
Citrus junos	Rutaceae	Japan
Citrus limettioides	Rutaceae	India
Citrus limon	Rutaceae
Citrus limon cv. Eureka	Rutaceae
Citrus limon cv. Meyer	Rutaceae
Citrus limon cv. Pink Lemonade	Rutaceae
Citrus paradisi x maxima cv. Oroblanco	Rutaceae
Citrus reticulata	Rutaceae
Citrus reticulata cv. Dancy	Rutaceae
Citrus reticulata cv. Pixie	Rutaceae
Citrus reticulata cv. Satsuma	Rutaceae
Citrus reticulata cv. Willowleaf	Rutaceae
Citrus sinensis	Rutaceae
Citrus sinensis cv. "Agua Tibia"	Rutaceae
Citrus sinensis cv. Cara Cara	Rutaceae
Citrus sinensis cv. Robertson	Rutaceae
Citrus sinensis cv. Satsuma	Rutaceae
Citrus x paradisi cv. Rio Red	Rutaceae
Cleistocactus acanthurus	Cactaceae	Peru
Cleistocactus baumannii	Cactaceae	South America
Cleistocactus baumannii v. chacoanus	Cactaceae	Bolivia
Cleistocactus brookeae	Cactaceae	Bolivia
Cleistocactus buchtienii	Cactaceae	Bolivia
Cleistocactus ferrarii	Cactaceae	Argentina
Cleistocactus fieldianus	Cactaceae	Peru
Cleistocactus fieldianus ssp. tessallatus	Cactaceae	Peru
Cleistocactus hyalacanthus	Cactaceae	Argentina
Cleistocactus hybrid	Cactaceae
Cleistocactus icosagonus	Cactaceae	S Ecuador, N Peru
Cleistocactus laniceps	Cactaceae	Bolivia
Cleistocactus micropetalus	Cactaceae	Peru
Cleistocactus morawetzianus	Cactaceae	Peru
Cleistocactus otoyensis	Cactaceae
Cleistocactus palhuayensis	Cactaceae	Bolivia
Cleistocactus parviflorus	Cactaceae	Bolivia
Cleistocactus plagiostoma	Cactaceae	Peru
Cleistocactus ritteri	Cactaceae	Bolivia
Cleistocactus samaipatanus	Cactaceae	Bolivia, Peru
Cleistocactus sepium	Cactaceae	Ecuador
Cleistocactus sepium v. cristatum	Cactaceae	Ecuador
Cleistocactus smaragdiflorus	Cactaceae	Argentina, Bolivia, Paraguay
Cleistocactus sp.	Cactaceae
Cleistocactus sucrensis v. tupizensis	Cactaceae	Bolivia
Cleistocactus tominensis	Cactaceae	Bolivia
Cleistocactus tupizensis	Cactaceae	Bolivia
Cleistocactus x Oreocereus hybrid	Cactaceae
Clematis armandii	Ranunculaceae	Cen & W China
Clematis ligusticifolia	Ranunculaceae	W North America
Clerodendrum bungei	Verbenaceae	China
Clerodendrum trichotomum	Verbenaceae	Japan
Cleyera japonica	Theaceae	Japan and SE Asia
Clivia Belgian hybrids	Amaryllidaceae	South Africa
Clivia caulescens	Amaryllidaceae	South Africa
Clivia hybrid	Amaryllidaceae
Clivia miniata	Amaryllidaceae	South Africa
Clusia rosea	Clusiaceae	Fla., Mex. to S.Am.,W. Indies
Clusia sp.	Clusiaceae
Coccothrinax alta	Arecaceae	Puerto Rico, Virgin Islands
Coccothrinax crinita	Arecaceae	Cuba
Cocculus laurifolius	Menispermaceae	Himalayas
Cochemiea halei	Cactaceae	Mexico(Baja California)
Cochemiea poselgeri	Cactaceae	Mexico(Baja California Sur)
Cochlospermum vitifolium	Bixaceae	Tropical America
Coffea arabica	Rubiaceae	Ethiopia, Sudan
Coleonema album	Rutaceae	South Africa
Coleonema pulchrum	Rutaceae	South Africa
Coleus barbatus	Lamiaceae	South Africa
Coleus x hybridus cv. Kong	Lamiaceae
Colocasia esculenta	Araceae	Tropical E Asia
Colocasia esculenta cv.	Araceae
Colocasia esculenta cv. Black Magic	Araceae
Colocasia esculenta cv. Fontanesii	Araceae
Colocasia esculenta v. antiquorum	Araceae	India
Combretum erythrophyllum	Combretaceae	South Africa
Combretum fruticosum	Combretaceae	Mozambique
Combretum zeyheri	Combretaceae	SE Africa
Commiphora grandifolia	Vitaceae	Madagascar
Coniogramme japonica	Pteridaceae	China, Taiwan, Korea, Japan
Consolea moniliformis	Cactaceae	Cuba
Consolea nashii	Cactaceae	Bahamas, Cuba
Convolvulus cneorum	Convolvulaceae	Italy
Copernicia alba	Arecaceae	South America
Copiapoa cinerea	Cactaceae	Chile
Copiapoa coquimbana	Cactaceae	Chile
Copiapoa fiedleriana	Cactaceae	Chile(Atacama)
Copiapoa haseltoniana	Cactaceae	Chile
Copiapoa humilis	Cactaceae	N Chile
Copiapoa krainziana	Cactaceae	Chile
Copiapoa marginata	Cactaceae	Chile(Atacama)
Copiapoa montana	Cactaceae	N Chile
Copiapoa sp.	Cactaceae
Copiapoa tenuissima	Cactaceae	Chile
Cordyline australis cv. Red Sensation	Agavaceae
Cordyline rubra	Agavaceae	Cultivated orign
Cordyline sp.	Agavaceae
Cordyline stricta	Agavaceae	Australia
Cordyline terminalis	Agavaceae	E Asia
Cordyline terminalis cv. Bolero Bicolor	Agavaceae
Coreopsis basalis	Asteraceae	United States(Texas)
Coreopsis grandiflora	Asteraceae	E & S United States
Coreopsis grandiflora cv. Early Sunrise	Asteraceae
Cornus florida	Cornaceae
Cornus florida cv. Cloud Nine	Cornaceae
Cornus sanguinea	Cornaceae	Europe
Corokia sp.	Cornaceae
Correa cv. Dusky Bells	Rutaceae
Correa cv. Ivory Bells	Rutaceae
Correa pulchella	Rutaceae	Australia
Correa pulchella	Rutaceae	S Australia
Corryocactus apiciflorus	Cactaceae	Peru
Corryocactus pulquiensis	Cactaceae	Bolivia(Santa Cruz)
Corryocactus sp.	Cactaceae
Corynocarpus laevigatus	Corynocarpaceae	New Zealand
Corynocarpus laevigatus cv. Variegata	Corynocarpaceae
Coryphantha compacta	Cactaceae	Mexico
Coryphantha elephantidens	Cactaceae	Mexico (Michoacan)
Coryphantha radians	Cactaceae	Mexico
Cotoneaster dammeri cv. Lowfast	Rosaceae
Cotoneaster lacteus	Rosaceae	China
Cotyledon adscendens	Crassulaceae	South Africa
Cotyledon orbiculata	Crassulaceae	South Africa
Cotyledon orbiculata v. flanaganii	Crassulaceae	South Africa(E. Cape Prov.)
Cotyledon sp.	Crassulaceae
Cotyledon tomentosa ssp. ladismithiensis	Crassulaceae	South Africa
Cotyledon tomentosa ssp. tomentosa	Crassulaceae	South Africa
Cotyledon undulata	Crassulaceae	South Africa(E. Cape Province)
Cotyledon woodii f.	Crassulaceae	South Africa
Crassula alba cv. Rep-tiles	Crassulaceae
Crassula arborescens	Crassulaceae	South Africa
Crassula arborescens ssp. undulatifolia	Crassulaceae	Mexico
Crassula argentea	Crassulaceae	Mexico
Crassula cv. Red Flame	Crassulaceae
Crassula falcata	Crassulaceae	South Africa
Crassula multicava	Crassulaceae	E South Africa
Crassula orbicularis	Crassulaceae	South Africa
Crassula ovata	Crassulaceae	South Africa
Crassula ovata cv. Gollum	Crassulaceae
Crassula perfoliata v. perfoliata	Crassulaceae	South Africa(E. Cape Prov.)
Crassula perforata	Crassulaceae	South Africa
Crassula phyturus	Crassulaceae	African Tropics
Crassula sarcocaulis	Crassulaceae	South Africa(Mpumulanga)
Crassula sp.	Crassulaceae
Crassula sp. nov. "Matsikamma Mountains"	Crassulaceae
Crassula streyi	Crassulaceae	South Africa(KwaZulu-Natal)
Crassula tetragona ssp. acutifolia	Crassulaceae	South Africa
Crataegus sp.	Rosaceae
Crinum asiaticum cv.	Amaryllidaceae
Crotalaria capensis	Papilionaceae	SE Africa
Croton sylvaticus	Euphorbiaceae	South Africa
Cryosophila sp.	Arecaceae	Mexico
Cryptanthus burle-marxii	Bromeliaceae	Brazil
Cryptanthus cv. Madame Ganna Walska	Bromeliaceae
Cryptbergia rubra	Bromeliaceae
Cryptomeria japonica	Taxodiaceae	Japan
Cryptomeria japonica cv. Elegans	Taxodiaceae
Cryptomeria japonica v. sinensis	Taxodiaceae
Ctenanthe sp.	Marantaceae	Brazil
Cunninghamia lanceolata	Taxodiaceae	China
Cuphea caeciliae	Lythraceae	Mexico
Cuphea micropetala	Lythraceae	Mexico
Cupressus cashmeriana	Cupressaceae	Kashmir, Tibet
Cupressus dupreziana	Cupressaceae	SE Algeria
Cupressus funebris	Cupressaceae	China, East Asia
Cupressus macrocarpa	Cupressaceae	California
Cupressus sempervirens	Cupressaceae	Europe and Asia
Curculigo capitulata	Hypoxidaceae	Asian Tropics, Polynesia
Cussonia paniculata	Araliaceae	South Africa
Cussonia spicata	Araliaceae	South Africa to Zambia
Cycas armstrongii	Cycadaceae	Australia(N. Territory)
Cycas cairnsiana forma nov. "Mt. Surprise"	Cycadaceae
Cycas cf. rumphii	Cycadaceae	Indonesia
Cycas circinalis	Cycadaceae	Burma, India, Thailand
Cycas couttsiana	Cycadaceae	Australia(Queensland)
Cycas debaoensis	Cycadaceae	China
Cycas media	Cycadaceae	Australia(Queensland)
Cycas neo-caledonica	Cycadaceae	New Caledonia
Cycas revoluta	Cycadaceae	China,Japan,Japan(Ryukyu Is.)
Cycas riuminiana	Cycadaceae	Philippines(Luzon)
Cycas rumphii	Cycadaceae	Indonesia
Cycas schumanniana	Cycadaceae	Papua New Guinea
Cycas scratchleyana	Cycadaceae	Papua New Guinea
Cycas sp.	Cycadaceae
Cycas sp. nov. "India"	Cycadaceae	India
Cycas sp. nov. "Malaysia"	Cycadaceae	NW Malaysia
Cycas sp. nov. "Petford Dwarf"	Cycadaceae
Cycas taitungensis	Cycadaceae	Taiwan
Cycas taiwaniana	Cycadaceae	Taiwan, SE China
Cycas thouarsii	Cycadaceae	E. Africa & Indian Ocean Is.
Cycas wadei	Cycadaceae	Philippines(Culion)
Cycas yorkiana	Cycadaceae	Australia(Queensland)
Cymbalaria muralis	Scrophulariaceae	Europe
Cymbidium iridiodes	Orchidaceae	IndoChina
Cymbidium lowianum v. concolor	Orchidaceae
Cyperus alternifolius	Cyperaceae	Madagascar
Cyperus papyrus	Cyperaceae	Tropical & N Africa
Cyperus textilis	Cyperaceae
Cyphostemma juttae	Vitaceae	Namibia
Cyrtomium falcatum	Polypodiaceae	Asia, South Africa
Cyrtomium falcatum cv. Rochfordianum	Polypodiaceae
Dacrycarpus dacrydioides	Podocarpaceae	New Zealand
Dacrydium cupressinum	Podocarpaceae	New Zealand
Daemonorops didymophylla	Arecaceae	Indonesia
Dalechampia dioscoreifolia	Euphorbiaceae	Peru
Darwinia taxifolia	Myrtaceae	Australia
Dasylirion acrotrichum	Agavaceae	Mexico
Dasylirion berlandieri	Agavaceae	NE Mexico
Dasylirion longissimum	Agavaceae	Mexico
Dasylirion serratifolium	Agavaceae	Mexico(Oaxaca)
Dasylirion wheeleri	Agavaceae	W United States
Datura metel cv. Double Blackcurrant Swirl	Solanaceae
Davallia canariensis	Davalliaceae	Canary Islands
Davallia embolstegia	Davalliaceae	Philippines, Borneo
Davallia tyermanii	Davalliaceae	China
Davallodes hirsutum	Davalliaceae	Malaysia
Delphinium elatum hybrids	Ranunculaceae
Dendrocalamus giganteus	Poaceae	SE Asia
Dendrocalamus latiflorus cv. Mei Nung	Poaceae
Dendrocalamus sp.	Poaceae
Dendrocalamus strictus	Poaceae	India
Dendrocereus nudiflorus	Cactaceae	Cuba
Denmoza erythrocephala	Cactaceae	Argentina
Dennstaedtia davallioides	Polypodiaceae	Australia
Deuterocohnia brevifolia	Bromeliaceae	Argentina, Bolivia
Deuterocohnia brevifolia	Bromeliaceae	Bolivia
Deuterocohnia lorentziana	Bromeliaceae	Argentina
Dianella cv. Sea Breeze	Phormiaceae
Dianella tasmanica	Phormiaceae	Australia
Dianella tasmanica cv. Variegata	Phormiaceae
Dichondra argentea	Convulvaceae	Southern US and Mexico
Dicksonia antarctica	Dicksoniaceae	Australia
Dicksonia sellowiana	Dicksoniaceae	American Tropics
Dicksonia squarrosa	Dicksoniaceae	New Zealand
Didierea madagascariensis	Didiereaceae	Madagascar
Didymochlaena truncatula	Dryopteridaceae	Tropics
Didymochlaena truncatula	Polypodiaceae	Tropics
Digitalis purpurea	Scrophulariaceae	Europe, Mediterranean
Dioon angustifolium	Zamiaceae	Mexico
Dioon argenteum	Zamiaceae	Mexico
Dioon califanoi	Zamiaceae
Dioon califanoi	Zamiaceae	Mexico
Dioon califanoi	Zamiaceae	Mexico(Oaxaca, Puebla)
Dioon caputoi	Zamiaceae	Mexico(Puebla)
Dioon edule	Zamiaceae	Mexico
Dioon edule "Queretaro"	Zamiaceae	Mexico
Dioon edule "Duner"	Zamiaceae	Mexico
Dioon holmgrenii	Zamiaceae	Mexico
Dioon mejiae	Zamiaceae	Honduras, Nicauragua
Dioon merolae	Zamiaceae	Mexico
Dioon merolae	Zamiaceae	Mexico(Oaxaca, Chiapas)
Dioon mixtecensis	Zamiaceae	Mexico
Dioon oaxacensis	Zamiaceae	Mexico
Dioon purpusii	Zamiaceae	Mexico(Oaxaca)
Dioon rzedowskii	Zamiaceae	Mexico(Oaxaca)
Dioon sonorense	Zamiaceae	Mexico
Dioon sp.	Zamiaceae
Dioon sp. nov. "El Camaron"	Zamiaceae	Mexico
Dioon sp. nov. "Juchatengo"	Zamiaceae	Mexico
Dioon spinulosum	Zamiaceae	Mexico, Cen America
Dioon stevensonii	Zamiaceae	Mexico
Dioon tomasellii	Zamiaceae	Mexico
Dioscorea elephantipes	Dioscoreaceae	South Africa
Diospyros kaki cv. Chocolate	Ebenaceae
Diospyros kaki cv. Fuyu	Ebenaceae
Diospyros kaki cv. Hachiya	Ebenaceae
Diplazium australe	Dryopteridaceae	Australia & NZ
Diplazium dilatatum	Dryopteridaceae	Asia, Aus., Malaysia, New Guin
Diplazium esculentum	Polypodiaceae	Asia, Polynesia
Diplazium hachijoensis	Dryopteridaceae
Diplazium maximum	Dryopteridaceae	Asia
Diplazium pycnocarpon	Dryopteridaceae	eastern N. America
Disocactus ackermannii	Cactaceae	Mexico
Disocactus cv. Space Rocket	Cactaceae
Disocactus macranthus	Cactaceae	Mexico
Disocactus martianus	Cactaceae	Mexico(Oaxaca)
Distictis cv. Rivers	Bignoniaceae
Dodonaea viscosa	Sapindaceae	Worldwide
Dombeya autumnalis	Sterculiaceae	South Africa
Dombeya burgessiae	Sterculiaceae	Kenya to South Africa
Dombeya tiliacea	Sterculiaceae	South Africa
Doodia media	Polypodiaceae	Australia, New Zealand
Dorstenia foetida	Moraceae	Arabia
Dorstenia gigas	Moraceae	Yemen(Socotra)
Doryanthes palmeri	Doryanthaceae	Australia
Doryanthes palmeri	Doryanthaceae	SE Australia
Dracaena cinnabari	Dracaenaceae	Yemen
Dracaena draco	Dracaenaceae	Spain(Canary Islands)
Dracaena serrulata	Dracaenaceae	Yemen
Dryopteris affinis	Dryopteridaceae	Europe and Africa
Dryopteris crassirhizoma	Dryopteridaceae	Japan, Korea
Dryopteris dilatata	Polypodiaceae
Dryopteris erythrosora	Dryopteridaceae	east Asia
Dryopteris filix-mas cv. Linearis Congesta	Dryopteridaceae
Dryopteris munchii	Dryopteridaceae
Dryopteris uniformis cv. cristata	Dryopteridaceae	Japan, Korea and China
Dudleya brittonii	Crassulaceae	Baja California & Mexico
Dudleya caespitosa	Crassulaceae	Coastal California
Dudleya pulverulenta	Crassulaceae
Dudleya pulverulenta	Crassulaceae	California, Arizona
Dudleya pulverulenta	Crassulaceae	USA
Duranta stenostachya	Verbenaceae	Tropical America
Dyckia brevifolia	Bromeliaceae	Argentina, Bolivia
Dyckia choristaminea x dawsonii cv. Maryori	Bromeliaceae
Dyckia cv. Brittle Star	Bromeliaceae
Dyckia cv. Lad Cutak	Bromeliaceae
Dyckia cv. Montana	Bromeliaceae
Dyckia dawsonii x choristaminea	Bromeliaceae
Dyckia dawsonii x velascana	Bromeliaceae
Dyckia encholirioides	Bromeliaceae	Brazil
Dyckia estevesii	Bromeliaceae	Brazil
Dyckia floribunda	Bromeliaceae	Argentina
Dyckia fosteriana	Bromeliaceae	Brazil
Dyckia leptostachya	Bromeliaceae	South America
Dyckia platyphylla	Bromeliaceae
Dyckia platyphylla	Bromeliaceae	Brazil
Dyckia rariflora	Bromeliaceae	Argentina, Brazil, Uruguay
Dyckia remotiflora v. montividensis	Bromeliaceae	Argentina
Dyckia sp.	Bromeliaceae
Dypsis decaryi	Arecaceae	Madagascar
Echeveria affinis	Crassulaceae	Mexico
Echeveria agavoides v. multifida	Crassulaceae	Mexico
Echeveria albicans	Crassulaceae	Mexico
Echeveria alpinia	Crassulaceae	Mexico
Echeveria cante	Crassulaceae	Mexico
Echeveria coccinea	Crassulaceae	E Mexico
Echeveria colorata	Crassulaceae	Mexico
Echeveria colorata v. brandtii	Crassulaceae	Mexico
Echeveria compressicaulis	Crassulaceae	Venezuela
Echeveria cv. Afterglow	Crassulaceae
Echeveria cv. Cinderella	Crassulaceae
Echeveria cv. Doris Taylor	Crassulaceae
Echeveria cv. Imbricata	Crassulaceae
Echeveria cv. Princess Lace	Crassulaceae
Echeveria cv. Pulv-Oliver	Crassulaceae
Echeveria cv. Tippy	Crassulaceae
Echeveria elegans	Crassulaceae	Mexico
Echeveria gigantea	Crassulaceae	Mexico
Echeveria halbingeri	Crassulaceae	Mexico
Echeveria laui	Crassulaceae	Mexico
Echeveria leucotricha	Crassulaceae	Mexico
Echeveria lilacina	Crassulaceae	Mexico
Echeveria macdougallii	Crassulaceae	Mexico
Echeveria nodulosa	Crassulaceae	Mexico
Echeveria pulidonis	Crassulaceae	Mexico
Echeveria pulvinata v. nova	Crassulaceae	Mexico
Echeveria runyonii	Crassulaceae	Mexico
Echeveria runyonii cv. Topsy Turvy	Crassulaceae
Echeveria sp.	Crassulaceae
Echeveria subalpina	Crassulaceae	Mexico
Echeveria subsessilis	Crassulaceae	Mexico
Echeveria tolimanensis	Crassulaceae	Mexico
Echeveria x agavoides	Crassulaceae
Echeveria x imbricata	Crassulaceae
Echinacea purpurea	Asteraceae	E & Cen North America
Echinacea purpurea cv. Bravado	Asteraceae
Echinacea purpurea cv. White Swan	Asteraceae
Echinocactus grusonii	Cactaceae	Cen Mexico
Echinocactus grusonii v albispinus	Cactaceae
Echinocactus platyacanthus	Cactaceae	N & Cen. Mexico
Echinocereus barthelowanus	Cactaceae	Mexico
Echinocereus berlandieri	Cactaceae	Costa Rica
Echinocereus bonkerae	Cactaceae	Arizona
Echinocereus knippelianus	Cactaceae	Mexico(Coahuila)
Echinocereus pensilis	Cactaceae	Mexico
Echinocereus pentalophus	Cactaceae	S Texas to N Mexico
Echinocereus schmollii	Cactaceae	Mexico(Queretaro)
Echinocereus sp.	Cactaceae
Echinodorus cordifolius	Alismataceae	S & Cen U.S. to Mexico
Echinodorus uruguayensis	Alismataceae	South America
Echinolobivia cv. Glorius	Cactaceae
Echinopsis arboricola	Cactaceae	S Bolivia, N Argentina
Echinopsis atacamensis ssp pasacana	Cactaceae	Argentina
Echinopsis atacamensis ssp. pasacana	Cactaceae	Argentina, Bolivia
Echinopsis bruchii	Cactaceae	Argentina
Echinopsis calochlora	Cactaceae	Brazil
Echinopsis candicans	Cactaceae	Argentina
Echinopsis candicans v. gladiatus	Cactaceae	Argentina
Echinopsis candicans v. robustior	Cactaceae	Argentina
Echinopsis cephalomacrostibus	Cactaceae	S Peru
Echinopsis chilensis	Cactaceae	Chile
Echinopsis chilensis v. longispinus	Cactaceae	Chile
Echinopsis chiloensis	Cactaceae	Chile
Echinopsis coquimbana	Cactaceae	Chile
Echinopsis crassicaulis	Cactaceae	N Argentina
Echinopsis cv. Betty's Gold	Cactaceae
Echinopsis cv. Galaxy	Cactaceae
Echinopsis cv. Stars and Stripes	Cactaceae
Echinopsis deserticola	Cactaceae	Chile
Echinopsis ferox	Cactaceae	Bolivia
Echinopsis hertrichiana	Cactaceae	SE Peru
Echinopsis huascha	Cactaceae	Argentina
Echinopsis huascha hybrid	Cactaceae
Echinopsis hybrid	Cactaceae
Echinopsis lageniformis	Cactaceae	Bolivia(La Paz)
Echinopsis lamprochlora	Cactaceae	Bolivia
Echinopsis litoralis	Cactaceae	Chile
Echinopsis macrogona	Cactaceae	Bolivia
Echinopsis mamillosa ssp. sylvatica	Cactaceae	Argentina
Echinopsis maximilliana	Cactaceae	N Bolivia, S Peru
Echinopsis pachanoi	Cactaceae	Ecuador, Peru
Echinopsis peruvianus	Cactaceae	Ecuador, Peru
Echinopsis robinsoniorum	Cactaceae
Echinopsis saltensis	Cactaceae	N Argentina
Echinopsis santaensis	Cactaceae	Peru
Echinopsis schickendantzii	Cactaceae	NW Argentina
Echinopsis sp.	Cactaceae
Echinopsis sp.	Cactaceae	Mexico
Echinopsis sp.	Cactaceae	S Peru
Echinopsis spachiana	Cactaceae	W Argentina
Echinopsis spachiana hybrid	Cactaceae
Echinopsis strigosa	Cactaceae	W Argentina
Echinopsis tacaquirensis	Cactaceae	Bolivia(Cochabamba)
Echinopsis tarijensis	Cactaceae	S Bolivia to N Argentina
Echinopsis terscheckii	Cactaceae	N Argentina
Echinopsis thelegonoides	Cactaceae	N Argentina
Echinopsis tulhuayacensis	Cactaceae	Peru
Echinopsis vasquezii	Cactaceae	Bolivia(Santa Cruz)
Echium candicans	Boraginaceae	Portugal(Madeira Is.)
Echium handiense	Boraginaceae
Echium pininana	Boraginaceae	Spain(Canary Islands)
Echium vulcanorum	Boraginaceae	Cape Verde Islands
Eichhornia crassipes	Pontederiaceae	African Tropics
Encephalartos aemulans	Zamiaceae	South Africa(KwaZulu-Natal)
Encephalartos altensteinii	Zamiaceae	South Africa
Encephalartos altensteinii x trispinosus x altensteini	Zamiaceae
Encephalartos altensteinii x trispinosus x natalensis	Zamiaceae
Encephalartos aplanatus	Zamiaceae	Swaziland
Encephalartos arenarius	Zamiaceae	South Africa
Encephalartos arenarius x lehmannii	Zamiaceae
Encephalartos barteri	Zamiaceae	Nigeria, Ghana
Encephalartos bubalinus	Zamiaceae	Tanzania
Encephalartos caffer	Zamiaceae	South Africa
Encephalartos cerinus	Zamiaceae	South Africa
Encephalartos cerinus	Zamiaceae	South Africa(KwaZulu-Natal)
Encephalartos chimanimaniensis	Zamiaceae	Mozambique, Zimbabwe
Encephalartos concinnus	Zamiaceae	Zimbabwe
Encephalartos cupidus	Zamiaceae	South Africa(Mpumalanga)
Encephalartos cycadifolius	Zamiaceae	South Africa(E Cape Prov.)
Encephalartos dyerianus	Zamiaceae	South Africa(Northern Prov.)
Encephalartos eugene-maraisii	Zamiaceae	South Africa
Encephalartos ferox	Zamiaceae	SE Africa
Encephalartos ferox	Zamiaceae	South Africa(E. Cape Prov.)
Encephalartos friderici-guilielmi	Zamiaceae	South Africa
Encephalartos gratus	Zamiaceae	Malawi, Mozambique
Encephalartos gratus x woodii	Zamiaceae
Encephalartos heenanii	Zamiaceae	South Africa
Encephalartos heenanii x longifolius	Zamiaceae
Encephalartos hildebrandtii	Zamiaceae	Kenya, Tanzania
Encephalartos hildebrandtii	Zamiaceae	Kenya, Tanzania, Zanzibar
Encephalartos horridus	Zamiaceae	South Africa
Encephalartos horridus x longifolius	Zamiaceae
Encephalartos inopinus	Zamiaceae	South Africa(North-West Prov.)
Encephalartos ituriensis	Zamiaceae	Dem. Republic of Congo
Encephalartos ituriensis	Zamiaceae	Dem. Republic of the Congo
Encephalartos kisambo	Zamiaceae	Kenya
Encephalartos lanatus	Zamiaceae	South Africa(Mpumalanga)
Encephalartos latifrons	Zamiaceae	South Africa
Encephalartos latifrons x altensteinii	Zamiaceae	South Africa
Encephalartos laurentianus	Zamiaceae	Dem Rep of Congo, Angola
Encephalartos lebomboensis	Zamiaceae	South Africa(Mpumalanga)
Encephalartos lehmannii	Zamiaceae	South Africa(E. Cape Prov.)
Encephalartos longifolius	Zamiaceae	South Africa
Encephalartos longifolius	Zamiaceae	South Africa(E. Cape Prov.)
Encephalartos mackenzei	Zamiaceae	Sudan
Encephalartos macrostrobilus	Zamiaceae	Uganda
Encephalartos manikensis	Zamiaceae	Zimbabwe and Mozambique
Encephalartos middelburgensis	Zamiaceae	South Africa
Encephalartos msinganus	Zamiaceae	South Africa(KwaZulu-Natal)
Encephalartos munchii	Zamiaceae	Mozambiqie
Encephalartos munchii	Zamiaceae	Mozambique
Encephalartos natalensis	Zamiaceae	South Africa
Encephalartos ngoyanus	Zamiaceae	South Africa
Encephalartos paucidentatus	Zamiaceae	South Africa
Encephalartos poggei	Zamiaceae	Dem. Republic of the Congo
Encephalartos princeps	Zamiaceae	South Africa
Encephalartos pterogonus	Zamiaceae	Mozambique
Encephalartos sclavoi	Zamiaceae	Tanzania
Encephalartos senticosus	Zamiaceae	South Africa(KwaZulu-Natal)
Encephalartos septentrionalis	Zamiaceae	Uganda, Sudan
Encephalartos sp.	Zamiaceae
Encephalartos sp. nov. "Chiwala"	Zamiaceae
Encephalartos sp. nov. "Torreyi"	Zamiaceae
Encephalartos transvenosus	Zamiaceae	South Africa(Northern Prov.)
Encephalartos trispinosus	Zamiaceae	South Africa(Northern Prov.)
Encephalartos turneri	Zamiaceae	Mozambique
Encephalartos umbeluziensis	Zamiaceae	Mozambique, Swaziland
Encephalartos villosus	Zamiaceae	SE Africa
Encephalartos villosus x altensteinii	Zamiaceae
Encephalartos whitelockii	Zamiaceae	Uganda
Encephalartos woodii	Zamiaceae	South Africa
Ensete ventricosum	Musaceae	Ethiopia
Ensete ventricosum v. glaucum	Musaceae
Enterolobium cyclocarpum	Mimosaceae	African Tropics
Epidendrum ibaguense	Orchidaceae	Cen & South America
Epidendrum sp.	Orchidaceae
Epidendrum x obrienianum	Orchidaceae
Epiphyllum anguliger	Cactaceae	S Mexico
Epiphyllum anguliger cv. Dancing Dragons	Cactaceae	Mexico
Epiphyllum crenatum v. chichicastenango	Cactaceae	Guatemala
Epiphyllum cv. Apache	Cactaceae
Epiphyllum cv. Argus	Cactaceae
Epiphyllum cv. Bayou Belle	Cactaceae
Epiphyllum cv. C. P. Astronaut	Cactaceae
Epiphyllum cv. Catalina	Cactaceae
Epiphyllum cv. Climax	Cactaceae
Epiphyllum cv. Concerto	Cactaceae
Epiphyllum cv. Conway's Giant	Cactaceae
Epiphyllum cv. Cooperville	Cactaceae
Epiphyllum cv. George French	Cactaceae
Epiphyllum cv. Magic Fire	Cactaceae
Epiphyllum cv. Monastery Garden	Cactaceae
Epiphyllum cv. Montecito	Cactaceae
Epiphyllum cv. Pacesetter	Cactaceae
Epiphyllum cv. Prairie Rose	Cactaceae
Epiphyllum cv. Space Rocket	Cactaceae
Epiphyllum cv. Sparkle	Cactaceae
Epiphyllum cv. Virginia Strong	Cactaceae
Epiphyllum hookeri	Cactaceae	Mexico to Cen America
Epiphyllum hybrid	Cactaceae
Epiphyllum laui	Cactaceae	Mexico
Epiphyllum oxypetalum	Cactaceae	Mexico to Brazil
Epiphyllum pittieri	Cactaceae	Costa Rica
Epiphyllum sp.	Cactaceae
Epiphyllum thomasianum	Cactaceae	S Mexico to Nicauragua
Equisetum hyemale	Equisetaceae	Eurasia, Pacific North America
Eragrostis elliottii	Poaceae	SE United States
Erigeron karvinskianus	Asteraceae	Mexico
Erigeron x moerheimii	Asteraceae
Eriogonum fasciculatum	Polygonaceae	USA
Eriogonum fasciculatum	Polygonaceae	Western US
Eriogonum giganteum	Polygonaceae	S California
Eriogonum giganteum	Polygonaceae	S. California
Eriogonum grande v. rubescens	Polygonaceae	California
Eriogonum sp.	Polygonaceae
Eriogonum wrightii	Polygonaceae	Sierra Nevada to Mtns of S CA
Eriosyce aspillagae	Cactaceae	Chile
Eriosyce chilensis v. chilensis	Cactaceae	Chile
Eriosyce crispa ssp. crispa	Cactaceae	Chile
Eriosyce curvispina v. tuberisulcata	Cactaceae	Chile(Valparaiso)
Eriosyce heinrichiana v. intermedia	Cactaceae	Chile
Eriosyce limariensis	Cactaceae	Chile
Eriosyce napina	Cactaceae	Chile
Eriosyce napina ssp. napina	Cactaceae	Chile
Eriosyce occulta	Cactaceae	Chile
Eriosyce odieri ssp. glabrascens	Cactaceae	Chile
Eriosyce senilis ssp. elquinsis	Cactaceae	Chile
Eriosyce sociabilis	Cactaceae	Chile
Eriosyce sp.	Cactaceae	Mexico
Eriosyce subgibbosa v. nigrihorrida	Cactaceae	Chile
Eriosyce taltalensis	Cactaceae	Chile
Eriosyce tenebrica	Cactaceae	Chile
Erodium chamaedryoides	Geraniaceae	Spain(Balearic Is.), Corsica
Erodium chrysanthum	Geraniaceae	Greece
Erodium x variabile cv. Bishop's Form	Geraniaceae
Eryngium sp.	Umbellaceae
Erythrina coralloides	Fabaceae	Arizona, NE & Cen Mexico
Erythrina flabelliformis	Fabaceae	Arizona, New Mexico, W Mexico
Erythrina herbacea v. nigrans	Fabaceae	SE U.S., Mexico
Erythrina sp.	Fabaceae
Escholtzia californica	Papaveraceae	California, Oregon
Escontria chiotilla	Cactaceae	S Mexico
Escontria sp.	Cactaceae
Espostoa blossfeldiorum	Cactaceae	N Peru
Espostoa guentheri	Cactaceae	Bolivia
Espostoa huanucoensis	Cactaceae	Ecuador, Peru
Espostoa lanata	Cactaceae	S Ecuador to N Peru
Espostoa melanostele	Cactaceae	Cen Peru
Espostoa senilis	Cactaceae	Peru(Ancash)
Espostoa sp.	Cactaceae
Espostoa sp.	Cactaceae	Peru
Espostoa sp. nov. "Canyon del Pato"	Cactaceae	Peru
Eucalyptus camaldulensis	Myrtaceae	Australia
Eucalyptus citriodora	Myrtaceae	Australia(Queensland)
Eucalyptus cladocalyx	Myrtaceae	Australia
Eucalyptus erythrocorys	Myrtaceae	W Australia
Eucalyptus globulus	Myrtaceae	Australia
Eucalyptus grandis	Myrtaceae	Australia(Queensland,NSW)
Eucalyptus incrassata	Myrtaceae	Australia
Eucalyptus leucoxylon	Myrtaceae	Australia
Eucalyptus melliodora	Myrtaceae	Australia
Eucalyptus robusta	Myrtaceae	Australia
Eucalyptus sp.	Myrtaceae	W Australia
Eucalyptus stellulata	Myrtaceae	Australia
Eucalyptus torquata	Myrtaceae	W Australia
Euclea racemosa	Ebenaceae	South Africa
Eucomis autumnalis	Hyacinthaceae	South Africa
Eucomis pole-evansii	Hyacinthaceae	South Africa
Eucommia ulmoides	Eucommiaceae	Cen China
Eulychnia acida	Cactaceae	Chile
Eulychnia breviflora	Cactaceae	N Chile
Eulychnia castanea	Cactaceae	Chile
Eulychnia saint-pieana v. floresiana	Cactaceae	Chile
Eulychnia sp.	Cactaceae	N Chile
Euphorbia abyssinica	Euphorbiaceae	Ethiopia, Somalia
Euphorbia aff. inconstantia	Euphorbiaceae	South Africa
Euphorbia aff. xylophilloides	Euphorbiaceae	Madagascar
Euphorbia alluaudii	Euphorbiaceae	Madagascar
Euphorbia ammak	Euphorbiaceae	Saudi Arabia
Euphorbia ammak cv. Variegata	Euphorbiaceae
Euphorbia aureoviridiflora	Euphorbiaceae	Madagascar
Euphorbia barnardii	Euphorbiaceae	South Africa
Euphorbia bubalina	Euphorbiaceae	South Africa
Euphorbia caducifolia	Euphorbiaceae	India
Euphorbia canariensis	Euphorbiaceae	Spain
Euphorbia canariensis	Euphorbiaceae	Spain(Canary Islands)
Euphorbia capmanambatoensis	Euphorbiaceae	Madagascar
Euphorbia capsaintemariensis	Euphorbiaceae	Madagascar
Euphorbia capuronii	Euphorbiaceae	Madagascar
Euphorbia caput-medusae	Euphorbiaceae	South Africa
Euphorbia cf. atrispina	Euphorbiaceae	South Africa
Euphorbia cf. breviarticulata	Euphorbiaceae	Kenya
Euphorbia cf. croizatii	Euphorbiaceae	Madagascar
Euphorbia characias	Euphorbiaceae	Mediterranean
Euphorbia clandestina	Euphorbiaceae	South Africa
Euphorbia coerulescens	Euphorbiaceae	South Africa
Euphorbia confinalis ssp. rhodesica	Euphorbiaceae	Zimbabwe
Euphorbia croizatii	Euphorbiaceae	Madagascar
Euphorbia cylindrifolia	Euphorbiaceae	Madagascar
Euphorbia decaryi v. spirosticha	Euphorbiaceae	Madagascar
Euphorbia delphinensis	Euphorbiaceae	Madagascar
Euphorbia didiereoides	Euphorbiaceae	Madagascar
Euphorbia echinus	Euphorbiaceae	Morocco
Euphorbia enopla	Euphorbiaceae	South Africa
Euphorbia erythrocucullata	Euphorbiaceae	Madagascar
Euphorbia esculenta	Euphorbiaceae	South Africa(E. Cape Province)
Euphorbia francoisii	Euphorbiaceae	Madagascar
Euphorbia fruticosa	Euphorbiaceae	Saudi Arabia, Yemen
Euphorbia gorgonis	Euphorbiaceae	South Africa
Euphorbia grandicornis	Euphorbiaceae	S & E Africa
Euphorbia grandidens	Euphorbiaceae	South Africa
Euphorbia hamata	Euphorbiaceae	South Africa, Namibia
Euphorbia hofstaetteri	Euphorbiaceae	Madagascar
Euphorbia horombensis	Euphorbiaceae	Madagascar
Euphorbia horrida	Euphorbiaceae	South Africa
Euphorbia horrida	Euphorbiaceae	South Africa(W. Cape Province)
Euphorbia horrida v. major	Euphorbiaceae	South Africa
Euphorbia horrida v. nova	Euphorbiaceae	South Africa
Euphorbia horrida v. striata	Euphorbiaceae	South Africa
Euphorbia iharanae	Euphorbiaceae	Madagascar
Euphorbia inconstantia	Euphorbiaceae	South Africa
Euphorbia inermis	Euphorbiaceae	South Africa(E. Cape Province)
Euphorbia ingens	Euphorbiaceae	South Africa
Euphorbia kamponii	Euphorbiaceae	Madagascar
Euphorbia lactea cv. Cristata	Euphorbiaceae
Euphorbia lamarckii ssp. regisjubae	Euphorbiaceae	Spain(Canary Islands)
Euphorbia lambii	Euphorbiaceae	Spain(Canary Islands)
Euphorbia ledienii	Euphorbiaceae	South Africa(E. Cape Province)
Euphorbia lenewtonii	Euphorbiaceae	Tanzania
Euphorbia makallensis	Euphorbiaceae	Ethiopia
Euphorbia mammillaris	Euphorbiaceae	South Africa
Euphorbia milii	Euphorbiaceae	Madagascar
Euphorbia milii v. hislopii	Euphorbiaceae	Madagascar
Euphorbia milii v. milii	Euphorbiaceae	Madagascar
Euphorbia milii v. nov. "isaloensis"	Euphorbiaceae	Madagascar
Euphorbia milii v. vulcani	Euphorbiaceae	Madagascar
Euphorbia millii hybrid	Euphorbiaceae
Euphorbia misera	Euphorbiaceae	Baja California
Euphorbia namuskluftensis	Euphorbiaceae	Namibia
Euphorbia neohumbertii	Euphorbiaceae	Madagascar
Euphorbia neriifolia	Euphorbiaceae	E India
Euphorbia obesa	Euphorbiaceae	South Africa
Euphorbia obovalifolia	Euphorbiaceae	E Africa
Euphorbia ornithopus	Euphorbiaceae	South Africa
Euphorbia polyacantha v. rosenii	Euphorbiaceae	Ethiopia
Euphorbia polygona	Euphorbiaceae	South Africa
Euphorbia polygona cv. Snowflake	Euphorbiaceae
Euphorbia resinifera	Euphorbiaceae	Morocco
Euphorbia richardsiae ssp. richardsiae	Euphorbiaceae	Malawi
Euphorbia rossii	Euphorbiaceae	Madagascar
Euphorbia sp.	Euphorbiaceae
Euphorbia spinicapsula	Euphorbiaceae
Euphorbia stellata	Euphorbiaceae	South Africa
Euphorbia stellispina	Euphorbiaceae	South Africa
Euphorbia stellispina	Euphorbiaceae	South Africa(N. Cape Province)
Euphorbia stenoclada ssp. ambatofinandranae	Euphorbiaceae	Madagascar
Euphorbia stenoclada ssp. stenoclada	Euphorbiaceae	Madagascar
Euphorbia tanquahuete	Euphorbiaceae	Mexico(Jalisco)
Euphorbia tirucalli	Euphorbiaceae
Euphorbia tortirama	Euphorbiaceae	South Africa
Euphorbia triangularis	Euphorbiaceae	South Africa
Euphorbia trigona	Euphorbiaceae	Unknown
Euphorbia tubiglans	Euphorbiaceae	South Africa(W. Cape Province)
Euphorbia turbiniformis	Euphorbiaceae	Somalia
Eupomatia laurina	Eupomatiaceae	E Australia, New Guinea
Fagus sylvatica cv. Atropurpurea	Fagaceae
Farfugium japonicum	Asteraceae	Japan
Farfugium japonicum cv. Argentea	Asteraceae
Farfugium japonicum cv. Aureo-maculata	Asteraceae
Farfugium japonicum cv. Crispatum	Asteraceae
Fascicularia pitcairniifolia	Bromeliaceae	Chile
Fatsia japonica	Araliaceae	Japan
Faucaria sp.	Crassulaceae
Faucaria tigrina	Aizoaceae	South Africa
Feijoa sellowiana	Myrtaceae	S Brazil to N Argentina
Ferocactus alamosanus	Cactaceae	Mexico(Sonora)
Ferocactus chrysacanthus	Cactaceae	Mexico(Baja CA)
Ferocactus cylindraceus	Cactaceae	SW United States to N Mexico
Ferocactus diguetii	Cactaceae	Mexico
Ferocactus echidne	Cactaceae	Cen Mexico
Ferocactus emoryi	Cactaceae	SW Arizona to NW Mexico
Ferocactus glaucescens	Cactaceae	E Mexico
Ferocactus histrix	Cactaceae	E Mexico
Ferocactus latispinus	Cactaceae	Mexico
Ferocactus peninsulae	Cactaceae	Mexico
Ferocactus pilosus	Cactaceae	N Cen Mexico
Ferocactus schwarzii	Cactaceae	U.S., Mexico
Ferocactus sp.	Cactaceae
Ferocactus wislizeni fma. flavispina	Cactaceae	United States
Festuca californica cv. Horse Mountain Green	Poaceae
Festuca glauca cv. Elija Blue	Poacaea	Europe
Festuca glauca cv. Elija Blue	Poaceae
Festuca glauca cv. Elija Blue	Poaceae	Europe
Festuca ovina v. glauca	Poaceae	Europe
Ficus carica cv. Black Mission	Moraceae
Ficus carica cv. Brown Turkey	Moraceae
Ficus carica cv. Flanders	Moraceae
Ficus carica cv. Kadota	Moraceae
Ficus macrophylla	Moraceae	Australia(Queensland, NSW)
Ficus macrophylla ssp. columnaris	Moraceae	Australia(Lord Howe Is.)
Ficus pumila	Moraceae	E Asia
Ficus religiosa	Moraceae	India
Ficus rubiginosa	Moraceae	Australia(New South Wales)
Ficus sp.	Moraceae
Ficus sur	Moraceae	South Africa
Ficus vasta	Moraceae	Yemen
Fockea crispa	Asclepiadaceae	South Africa
Fockea edulis	Asclepiadaceae	Angola, Tanzania
Fockea sp.	Asclepiadaceae	South Africa
Foeniculum vulgare	Apiaceae	Mediterranean
Folotsia grandiflora	Asclepiadaceae	Madagascar
Fortunella margarita	Rutaceae
Fortunella margarita cv. Nagami	Rutaceae
Fosterella petiolata	Bromeliaceae	Chile
Fouquieria columnaris	Fouquieriaceae	Baja California, Sonora
Fouquieria diguetii	Fouquieriacea	Mexico
Fouquieria diguetii	Fouquieriaceae	Mexico
Fouquieria fasciculata	Fouquieriaceae	Mexico
Fouquieria purpusii	Fouquieriaceae	Mexico
Fouquieria splendens	Fouquieriaceae	S Ca to N Mexico
Fragaria sp.	Rosaceae
Francoa ramosa	Saxifragaceae	Chile
Fraxinus sp.	Oleaceae
Fremontodendron californicum	Sterculiaceae	California, Arizona, Baja, CA
Fremontodendron cv. California Glory	Sterculiaceae
Fuchsia boliviana cv. alba	Onagraceae	Bolivia
Furcraea gigantea	Agavaceae	Brazil
Furcraea macdougallii	Agavaceae	Mexico(Oaxaca)
Furcraea roezlii	Agavaceae	S Mexico
Furcraea sp.	Agavaceae
Gaillardia cv. Goblin	Asteraceae
Galvezia juncea cv. Gran Canon	Scrophulariaceae
Gardenia thunbergia	Rubiaceae	South Africa
Gasteria armstrongii	Asphodelaceae	South Africa
Gasteria baylissiana	Asphodelaceae	South Africa
Gasteria bicolor cv. Frosty	Asphodelaceae
Gasteria brachyphyllum	Asphodelaceae	South Africa
Gasteria brachyphyllum v. bayeri	Asphodelaceae	South Africa
Gasteria glomerata	Asphodelaceae	South Africa(E. Cape Prov.)
Gasteria nigricans v. monstrosa	Asphodelaceae	South Africa
Gasteria nitida v. armstrongii	Asphodelaceae	South Africa(E. Cape Prov.)
Gasteria sp.	Asphodelaceae
Gaura cv. Siskiyou Pink	Asteraceae
Gaussia maya	Arecaceae	Mexico, Guatemala, Belize
Gaussia princeps	Arecaceae	Cuba
Geijera parviflora	Rutaceae	Australia
Geranium incanum	Geraniaceae	South Africa
Geranium macrorrhizum	Geraniaceae	Europe
Geranium maderense	Geraniaceae	Portugal(Madeira)
Gerrardanthus Macrorhizus	Cucurbitaceae	South Africa, Mozambique
Ginkgo biloba	Ginkgoaceae	SE China
Gladiolus carmineus	Iridaceae	South Africa
Gleditsia sp.	Caesalpiniaceae
Gleditsia triacanthus v. inermis cv. Sunburst	Caesalpiniaceae
Glochidion sp.	Euphorbiaceae
Goniophlebium subauriculatum cv. Knightii	Polypodiaceae
Graptopetalum macdougallii	Crassulaceae	Mexico(Oaxaca)
Graptopetalum paraguayense	Crassulaceae	Mexico
Graptopetalum paraguayense ssp. bernalense	Crassulaceae	Mexico
Graptopetalum paraguayense ssp. paraguayense	Crassulaceae	Mexico
Graptopetalum pentandrum v. superbum	Crassulaceae
Graptosedum cv. Alpenglow	Crassulaceae
Graptoveria amethorum	Crassulaceae
Graptoveria sp.	Crassulaceae
Grevillea cv. Austraflora Fanfare	Proteaceae
Grevillea cv. Canberra	Proteaceae
Grevillea cv. Kay Williams	Proteaceae
Grevillea cv. Poorinda Constance	Proteaceae
Grevillea cv. Robyn Gordon	Proteaceae
Grevillea cv. Ruby Clusters	Proteaceae	Australia(New South Wales)
Grevillea lanigera	Proteaceae	Australia
Grevillea lanigera	Proteaceae	S Australia
Grevillea lanigera cv. Coastal Gem	Proteaceae
Grevillea paniculata	Proteaceae	W Australia
Grevillea robusta	Proteaceae	Australia
Grewia hispida	Tiliaceae	South Africa
Grewia occidentalis	Tiliaceae	South Africa
Greyia sutherlandii	Greyiaceae	South Africa
Griselinia littoralis	Cornaceae	New Zealand
Grusonia invicta	Cactaceae	Mexico(Baja Peninsula)
Guihaia argyrata	Arecaceae	S China
Guzmania lingulata hybrid	Bromeliaceae
Guzmania patula	Bromeliaceae	Ecuador
Gymnocactus sp.	Cactaceae
Gymnocalycium bayrianum	Cactaceae	Argentina
Gymnocalycium monvillei	Cactaceae	Argentina
Gymnocalycium oenanthemum	Cactaceae	Argentina
Gymnocalycium pflanzii	Cactaceae	Argentina, Bolivia
Gymnocalycium ritterianum	Cactaceae	Argentina(La Rioja)
Gymnocereus chlorocarpus	Cactaceae	Peru
Haageocereus acranthus	Cactaceae	Peru
Haageocereus acranthus ssp. olowinskianus	Cactaceae	Peru
Haageocereus albispinus	Cactaceae	Peru
Haageocereus chosicensis x Borzicactus sp.	Cactaceae
Haageocereus fascicularis	Cactaceae	Chile
Haageocereus pacalaensis v. pseudoversicolor	Cactaceae	Peru
Haageocereus pseudomelanostele	Cactaceae	Cen Peru
Haageocereus sp.	Cactaceae
Haageocereus versicolor	Cactaceae	N Peru
Haageocereus versicolor v. aureispinus	Cactaceae	Peru
Haemanthus albiflos	Amaryllidaceae	South Africa
Haemanthus coccineus	Amaryllidaceae	South Africa
Haemanthus sp.	Amaryllidaceae
Hakea petiolaris	Proteaceae	W Australia
Hakea suaveolens	Proteaceae	W Australia
Halleria lucida	Scrophulariaceae	Tropical & S Africa
Halocarpus bidwilli	Podocarpaceae	New Zealand
Hardenbergia violacea cv. Happy Wanderer	Fabaceae
Harrisia aboriginum	Cactaceae	United States(Florida)
Harrisia martinii	Cactaceae	Argentina
Harrisia sp.	Cactaceae
Harrisia tetracantha	Cactaceae	Bolivia
Hatiora salicornioides	Cactaceae	Brazil
Hatiora sp.	Cactaceae
Hauya elegans v. hauya	Onagraceae	Mexico
Hauya sp.	Onagraceae
Haworthia angustifolia v. liliputana	Asphodelaceae	South Africa
Haworthia chloracantha v. subglauca	Asphodelaceae	South Africa
Haworthia coarctata v. greenei	Asphodelacaea	South Africa
Haworthia cooperi	Asphodelacaea	South Africa
Haworthia correcta	Asphodelaceae	South Africa
Haworthia cymbiformis	Asphodelaceae	South Africa
Haworthia cymbiformis v. translucens	Asphodelaceae	South Africa
Haworthia divergens	Asphodelacaea	South Africa
Haworthia fulva	Asphodelaceae	South Africa
Haworthia magnifica	Asphodelacaea	South Africa
Haworthia magnifica v.	Asphodelaceae	South Africa
Haworthia margaritifera v. major hybrid	Asphodelaceae
Haworthia mirabilis ssp. mundula cv. Batwings	Asphodelaceae	South Africa(W. Cape Province)
Haworthia musculina	Asphodelaceae	South Africa
Haworthia nigra v.	Asphodelaceae	South Africa
Haworthia nigra v. rynveldtii	Asphodelaceae	South Africa
Haworthia nitidula	Asphodelaceae	South Africa
Haworthia obtusa	Asphodelaceae	South Africa
Haworthia obtusa v. pilifera	Asphodelaceae	South Africa
Haworthia planifolia f. planifolia	Asphodelaceae	South Africa
Haworthia reinwardtii v. zebrina	Asphodelaceae	South Africa
Haworthia reticulata v. subregularis	Asphodelaceae	South Africa
Haworthia ryderiana	Asphodelaceae	Southern Africa
Haworthia sordida v. agavoides	Asphodelacaea	South Africa
Haworthia sordida v. agavoides	Asphodelaceae	South Africa
Haworthia sp.	Asphodelacaea
Haworthia translucens ssp. tenera cv. Anemone	Asphodelaceae	South Africa
Haworthia transluscens ssp. tenera	Asphodelacaea	South Africa
Haworthia truncata	Asphodelaceae
Haworthia turgida v. erecta	Asphodelaceae	South Africa
Haworthia venosa	Asphodelaceae	South Africa
Haworthia viscosa	Asphodelaceae	South Africa
Hechtia argentea	Bromeliaceae	Cen Mexico
Hechtia argentea x tillandsioides	Bromeliaceae
Hechtia carlsonii	Bromeliaceae
Hechtia cv. Silverado	Bromeliaceae
Hechtia gayii	Bromeliaceae	Mexico
Hechtia marnier-lapostollei	Bromeliaceae	Mexico
Hechtia rosea	Bromeliaceae	Mexico
Hechtia roseana	Bromeliaceae	Mexico
Hechtia sp.	Bromeliaceae
Hechtia sp.	Bromeliaceae	Argentina
Hechtia sp.	Bromeliaceae	Mexico
Hechtia stenopetala	Bromeliaceae	Mexico
Hechtia tillandsioides	Bromeliaceae	Mexico
Hedera canariensis	Araliaceae	Spain(Canary Islands)
Hedera helix	Araliaceae
Hedera helix	Araliaceae	Africa
Hedera helix cv.	Araliaceae
Hedychium angustifolium cv. Peach	Zingiberaceae
Hedychium coccineum	Zingiberaceae	Himalayas
Hedychium coccineum cv. Disney	Zingiberaceae
Hedychium coccineum cv. Tara	Zingiberaceae
Hedychium coronarium	Zingiberaceae	Asia
Hedychium cv. Ayo	Zingiberaceae
Hedychium cv. Carnival	Zingiberaceae
Hedychium cv. Double Eagle	Zingiberaceae
Hedychium cv. Filagree	Zingiberaceae
Hedychium cv. Fireworks	Zingiberaceae
Hedychium cv. Gold Flame	Zingiberaceae
Hedychium cv. Golden Glow	Zingiberaceae
Hedychium cv. Kewense	Zingiberaceae
Hedychium cv. Kinkaku	Zingiberaceae
Hedychium cv. Luna Moth	Zingiberaceae
Hedychium cv. Maiko Salmon Pink	Zingiberaceae
Hedychium cv. Pink	Zingiberaceae
Hedychium cv. Pink Flame	Zingiberaceae
Hedychium cv. Pink Sparks	Zingiberaceae
Hedychium cv. Pink V	Zingiberaceae
Hedychium cv. Tropic Bird	Zingiberaceae
Hedychium cv. White Starburst	Zingiberaceae
Hedychium ellipticum	Zingiberaceae	N India
Hedychium gardnerianum	Zingiberaceae	India
Hedychium greenii	Zingiberaceae	W Bhutan
Hedychium hybrid #7	Zingiberaceae
Hedychium pradhanii	Zingiberaceae	India
Hedychium thrysiforme	Zingiberaceae	India
Hedyscepe canterburyana	Arecaceae	Australia(Lord Howe Is.)
Helianthemum cv. Apricot	Cistaceae
Helianthocereus x Pseudolobivia sp.	Cactaceae
Heliconia latispatha	Heliconiaceae	S Mexico to Cen America
Helictotrichon sempervirens	Poaceae	Europe
Heliotropium arborescens	Boraginaceae
Heliotropium arborescens cv. Alba	Boraginaceae
Helleborus argutifolius	Ranunculaceae	Corsica, Sardinia
Helleborus niger	Ranunculaceae	Europe
Helleborus x hybridus	Ranunculaceae
Hemerocallis cv. Lavender Dew	Hemerocallidaceae
Hemerocallis cv. Little Bobo	Hemerocallidaceae
Hemerocallis cv. Old Adage	Hemerocallidaceae
Hemerocallis cv. Orange Crush	Hemerocallidaceae
Hemerocallis cv. Peggy's Pink	Hemerocallidaceae
Hemerocallis cv. Rosella Sheridan	Hemerocallidaceae
Hemerocallis cv. Russian Rhapsody	Hemerocallidaceae
Hemerocallis cv. Tiny Pumpkin	hemerocallidaceae
Hemerocallis cv. Yellow Kiss	Hemerocallidaceae
Heteromeles arbutifolia	Rosaceae	California
Heteromeles arbutifolia cv. Davis Gold	Rosaceae
Heteromeles arbutifolia v. macrocarpa	Rosaceae
Heteromeles arbutifolia v. macrocarpa	Rosaceae	California
Heuchera cv. Carmel	Saxifragaceae
Heuchera cv. Crimson Curls	Saxifragaceae
Heuchera cv. Lillian's Pink	Saxifragaceae
Heuchera cv. Santa Ana Cardinal	Saxifragaceae
Heuchera maxima	Saxifragaceae	S California(Channel Is.)
Hibbertia aspera	Dilleniaceae	SE Australia
Hibbertia cuneiformis	Dilleniaceae	Australia
Hibbertia dentata	Dilleniaceae	E Australia
Hibiscus rosa-sinensis	Malvaceae
Hibiscus splendens	Malvaceae	Australia(Queensland, NSW)
Hibiscus syriacus	Malvaceae
Hibiscus trionum	Malvaceae	Old World Tropics
Himalayacalamus hookerianus	Poaceae	E Himalayas
Hippeastrum x cv. San Antonio Rose	Amaryllidaceae
Hippeastrum x cv. Voodoo	Amaryllidaceae
Histiopteris incisa	Dennstaedtiaceae	Tropics
Hohenbergia correia-araujoi	Bromeliaceae	Brazil
Hohenbergia leopold-horstii	Bromeliaceae	Brazil
Hohenbergia ramageana	Bromeliaceae	Brazil
Hohenbergiopsis guatemalensis	Bromeliaceae	Guatemala
Houttuynia cordata	Saururaceae	Asia
Houttuynia cordata cv. Chameleon	Saururaceae
Howea belmoreana	Arecaceae	Lord Howe Island
Howea forsteriana	Arecaceae	Australia(Lord Howe Is.)
Howea forsteriana	Arecaceae	Lord Howe Is. (Aus.)
Hydrangea cv. Lacecap	Saxifragaceae
Hydrangea macrophylla cv. Glory Blue	Saxifragaceae
Hydrocotyle vulgaris	Hydrocotylaceae	Europe
Hylocereus costaricensis	Cactaceae	Costa Rica
Hylocereus purpusii	Cactaceae	Mexico
Hylocereus undatus	Cactaceae	Tropical America
Hymenosporum flavum	Pittosporaceae	E Australia
Hypolepis glandulifera	Dennstaedtiaceae	Australia
Hypolepis hostilis	Dennstaedtiaceae	American Tropics
Hypoxis sp.	Hypoxidaceae	Argentina
Hyptis emoryi cv. Silver Lining	Lamiaceae
Iberis sempervirens	Brassicacaea
Iberis sempervirens cv. Snow White	Brassicaceae
Iberis sp.	Brassicaceae
Ibervillea sonorae v. peninsularis	Cucurbitaceae	SW North America
Ilex aquifolium cv.	Aquifoliaceae
Ilex cornuta cv. Burfordii	Aquifoliaceae
Ilex cornuta cv. Rotunda	Aquifoliaceae
Ilex crenata cv. Convexa	Aquifoliaceae
Ilex opaca cv. Rotundifolia	Aquifoliaceae
Ilex pernyi	Aquifoliaceae	Cen China
Ilex sp.	Aquifoliaceae
Impatiens balfourii	Balsaminaceae	W. Himalaya
Impatiens balsamina cv. Pink	Balsaminaceae
Impatiens balsamina cv. Red	Balsaminaceae
Impatiens balsamina cv. Violet	Balsaminaceae
Impatiens cv.	Balsaminaceae
Impatiens cv. Orange	Balsaminaceae
Impatiens sodenii	Balsaminaceae	E Tropical Africa
Impatiens sp.	Balsaminaceae	Bali
Indigofera natalensis	Fabaceae	South Africa
Iochroma coccinea	Solanaceae	South American Tropics
Iochroma cyaneum	Solanaceae	South America
Ipomoea platense	Convolvulaceae
Ipomoea sp.	Convolvulaceae
Iris cv. Frequent Flyer	Iridaceae
Iris cv. Lotusland	Iridaceae
Iris kaempferi	Iridaceae	Japan
Iris sp.	Iridaceae
Isolatocereus dumortieri	Cactaceae	Cen Mexico
Isopogon formosus	Proteaceae	Western Australia
Itea ilicifolia	Iteaceae	China
Jacquinia pungens	Theophrastaceae	Mexico
Jasminocereus thouarsii	Cactaceae	Galapagos Islands
Jasminocereus thouarsii v. sclerocarpus	Cactaceae	Galapagos Islands
Jasminum mesnyi	Oleaceae	W China
Jatropha podagrica	Euphorbiaceae	Central America
Juania australis	Arecaceae	Chile(Robinson Crusoe Is.)
Jubaea chilensis	Arecaceae	Chile
Jubaeopsis caffra	Arecaceae	South Africa
Juncus effusus cv. Spiralis	Juncaceae
Juncus patens	Juncaceae	Oregon to Baja Mexico
Juncus polyanthus	Juncaceae	Australia
Juniperus bermudiana	Cupressaceae	Bermuda
Juniperus cedrus	Cupressaceae	Spain, Portugal
Juniperus chinensis cv. Kaizuka	Cupressaceae
Juniperus chinensis cv. Kaizuka Variegated	Cupressaceae
Juniperus chinensis cv. Mint Julep	Cupressaceae
Juniperus chinensis cv. Spartan	Cupressaceae
Juniperus chinensis v. procumbens cv. Nana	Cupressaceae
Juniperus cv.	Cupressaceae
Juniperus horizontalis cv.	Cupressaceae	Nova Scotia to Alaska
Juniperus squamata cv. Blue Star	Cupressaceae
Kalanchoe arborescens	Crassulaceae	Madagascar
Kalanchoe beharensis	Crassulaceae	Madagascar
Kalanchoe beharensis cv. Fang	Crassulaceae
Kalanchoe beharensis f.	Crassulaceae
Kalanchoe cf. marmorata	Crassulaceae	Kenya
Kalanchoe fedtschenkoi	Crassulaceae	Madagascar
Kalanchoe fedtschenkoi cv. Aurora Borealis	Crassulaceae
Kalanchoe gastonis-bonnieri	Crassulaceae
Kalanchoe glaucescens	Crassulaceae	E Africa
Kalanchoe laetivirens	Crassulaceae	Madagascar
Kalanchoe luciae ssp. luciae	Crassulaceae	South Africa
Kalanchoe marmorata	Crassulaceae	E Africa
Kalanchoe ndotoensis	Crassulaceae	Kenya
Kalanchoe prolifera	Crassulaceae	Cen Madagascar
Kalanchoe rosei v. seyrigii	Crassulaceae	Madagascar
Kalanchoe sp.	Crassulaceae
Kalanchoe synsepala	Crassulaceae	Cen Madagascar
Kalanchoe thrysiflora	Crassulaceae	South Africa
Kalanchoe tomentosa	Crassulaceae	Cen Madagascar
Kalanchoe uniflora	Crassulaceae
Kennedia beckxiana	Papilionaceae
Kennedia prostrata	Papilionaceae	Australia
Kennedia rubicunda	Papilionaceae	Australia
Kentiopsis oliviformis	Arecaceae	New Caledonia
Khaya nyasica	Meliaceae	Tanzania
Kleinia repens	Asteraceae	South Africa
Kniphofia galpinii cv. Orange Flame	Asphodelaceae
Koelreuteria bipinnata	Sapindaceae	SW China
Laelia anceps	Orchidaceae	Mexico
Laelia rubescens	Orchidaceae	Mexico, Cen America
Laeliocattleya cv. Callistoglossa	Orchidaceae
Laeliocattleya cv. Elizabeth 'Sparkling Burgundy'	Orchidaceae
Lagunaria patersonia	Malvaceae	Australia
Lampranthus deltoides	Aizoaceae	South Africa(W. Cape Province)
Lantana montevidensis	Verbenaceae	Argentina
Lasiocereus rupicola	Cactaceae	Peru(Cajamarca)
Lastreopsis effusa	Dryopteridaceae	American Tropics
Lastreopsis microsora ssp. pentangularis	Polypodiaceae	Australia
Lavandula dentata	Lamiaceae	Mediterranean
Lavandula dentata v. candicans	Lamiaceae	Europe
Lavandula pinnata v. buchii	Lamiaceae	Spain(Canary Islands)
Lavandula stoechas	Lamiaceae	Mediterranean
Lavandula stoechas cv. Otto Quast	Lamiaceae
Lavatera cv. Purissima	Malvaceae
Leonotus leonuris	Lamiaceae	South Africa
Lepechinia hastata	Lamiaceae	Hawaii, Mtns. of Baja Mexico
Lepidozamia hopei	Zamiaceae	Australia
Lepidozamia peroffskyana	Zamiaceae	Australia(SE Queensland)
Lepismium bolivianum	Cactaceae	Bolivia(La Paz)
Lepismium cruciforme v.	Cactaceae	Brazil, Argentina
Lepismium lumbricoides	Cactaceae	Uruguay, N Argentina
Lepismium warmingianum	Cactaceae	Brazil, E Paraguy, N Argentina
Leptocereus quadricostatus	Cactaceae	Puerto Rico
Leptochilus ellipticus	Polypodiaceae	Japan, Korea, China, SE Asia
Leptospermum brevipes	Myrtaceae	E Australia
Leptospermum laevigatum	Myrtaceae	E & S Australia
Leptospermum scoparium cultivar	Myrtaceae
Leucadendron argenteum	Proteaceae	South Africa(W. Cape Province)
Leucadendron cv. Jester	Proteaceae
Leucophyta brownii	Asteraceae	Australia
Leymus arenarius cv. Glaucus	Poaceae
Leymus cv. Canyon Prince	Poaceae
Leymus glaucus	Poaceae	North America
Ligustrum japonicum	Oleaceae	Japan, Korea
Lilium hybrids	Liliaceae
Limonium perezii	Plumbaginaceae	(Spain)Canary Islands
Limonium sp.	Plumbaginaceae
Linospadix monostachya	Arecaceae	E Australia
Liquidambar styraciflua	Hamamelidaceae	Conn. to Florida & Cen America
Liquidambar styraciflua	Hamamelidaceae	E.US through C. Amer.
Liquidambar styraciflua cv. Burgundy	Hamamelidaceae
Liriope muscari	Convallariaceae	Japan, China
Liriope spicata cv.	Convallariaceae
Lithodora diffusa cv. Heavenly Blue	Boraginaceae
Livistona australis	Arecaceae	E Australia
Livistona chinensis	Arecaceae	China
Livistona decipiens	Arecaceae	Australia(Queensland)
Livistona drudei	Arecaceae	Australia(Queensland)
Livistona rigida	Arecaceae	Australia
Livistona saribus	Arecaceae	SE Asia
Livistona sp.	Arecaceae	Australia
Lobelia erinus hybrid	Campanulaceae
Lobelia fulgens	Campanulaceae	Mexico
Lobelia fulgens	Campanulaceae	Texas, Mexico
Lobelia laxiflora v. angustifolia	Campanulaceae	Mexico
Lobularia maritima	Brassicaceae
Lobularia maritima	Brassicaceae	Mediterranean
Lomandra longifolia	Xanthorrhoeaceae	E & S Australia
Lonchocarpus capassa	Papilionaceae	South Africa
Lophophora diffusa	Cactaceae	Mexico
Lophophora williamsii	Cactaceae	Cen & N Mexico
Lophosoria quadripinnata	Lophosoriaceae	Cen & S America
Loropetalum chinense	Hamamelidaceae	Himalayas, China, Japan
Loropetalum chinense v. rubrum cv. Razzleberri	Hamamelidaceae
Ludwigia peploides	Onagraceae	N & S America
Ludwigia repens	Onagraceae	North America
Ludwigia sedoides	Onagraceae
Luehea divaricata	Tiliaceae	Brazil
Lygodium japonicum	Schizaeaceae
Lysimachia nummularia cv. Aurea	Primulaceae
Lytocaryum weddellianum	Arecaceae	Brazil
Machaerocereus gummosus	Cactaceae	S California to Mexico
Machaerocereus gummosus f. monstrosa	Cactaceae	S California to Mexico
Machairophyllum latifolium	Aizoaceae	South Africa
Mackaya bella	Acanthaceae	South Africa
Macleania sp.	Ericacaea	Mexico
Macrothelypteris torresiana	Thelypteridaceae	Africa, Asia
Macrozamia communis	Zamiaceae	SE Australia
Macrozamia diplomera	Zamiaceae	Australia(New South Wales)
Macrozamia douglasii	Zamiaceae	Australia(Fraser Is.)
Macrozamia dyeri	Zamiaceae	W Australia
Macrozamia fawcettii	Zamiaceae	Australia(New South Wales)
Macrozamia fearnsidei	Zamiaceae	Australia(Queensland)
Macrozamia flexuosa	Zamiaceae	SE Australia
Macrozamia glaucophylla	Zamiaceae	Australia(New South Wales)
Macrozamia heteromera	Zamiaceae	Australia(New South Wales)
Macrozamia humilis	Zamiaceae	Australia(New South Wales)
Macrozamia johnsonii	Zamiaceae	E Australia
Macrozamia lomandroides	Zamiaceae	Australia(Queensland)
Macrozamia longispina	Zamiaceae	Australia(SE Queensland)
Macrozamia lucida	Zamiaceae	Australia(SE Queensland)
Macrozamia macdonnellii	Zamiaceae	E Australia
Macrozamia macleayi	Zamiaceae	Australia
Macrozamia miquelii	Zamiaceae	E Australia
Macrozamia montana	Zamiaceae	Australia(New South Wales)
Macrozamia moorei	Zamiaceae	E Australia
Macrozamia mountperriensis	Zamiaceae	Australia(Queensland)
Macrozamia parcifolia	Zamiaceae	Australia(Queensland)
Macrozamia pauli-guilielmi	Zamiaceae	Australia(Queensland)
Macrozamia platyrachis	Zamiaceae	Australia(Queensland)
Macrozamia pleurinervia	Zamiaceae	Australia(Queensland)
Macrozamia polymorpha	Zamiaceae	Australia(New South Wales)
Macrozamia reducta	Zamiaceae	Australia(New South Wales)
Macrozamia riedlei	Zamiaceae	Australia
Macrozamia secunda	Zamiaceae	Australia(New South Wales)
Macrozamia serpentina	Zamiaceae	Australia
Macrozamia sp.	Zamiaceae
Macrozamia stenomera	Zamiaceae	Australia(New South Wales)
Magnolia dealbata	Magnoliaceae	Mexico
Magnolia grandiflora	Magnoliaceae	SE U.S. to Texas
Magnolia grandiflora cv. Majestic Beauty	Magnoliaceae
Magnolia stellata	Magnoliaceae	Japan
Magnolia tamaulipana	Magnoliaceae	Mexico
Magnolia x soulangiana	Magnoliaceae
Mahonia aquifolium	Berberidaceae	Canada(Br. Columbia) to Cal.
Mahonia bealei	Berberidaceae	Asia, N. & Cen. America
Mahonia lomariifolia	Berberidaceae	China
Maireana brevifolia	Chenopodiaceae	Australia
Maireana sedifolia	Chenopodiaceae	S & W Australia
Malus cv. Anna	Rosaceae
Malus cv. Beverly Hills	Rosaceae
Malus cv. Ein Shemer	Rosaceae
Malus cv. Fuji	Rosaceae
Malus cv. Gordon	Rosaceae
Malus cv. Pettingill	Rosaceae
Malus cv. Pink Lady	Rosaceae
Malus cv. Red Fuji	Rosaceae
Malus cv. Tropical Beauty	Rosaceae
Malus cv. White Winter Pearmain	Rosaceae
Malva alcea	Malvaceae	E Europe
Malvaviscus arboreus	Malvaceae	Tropical America
Mammillaria compressa	Cactaceae	Mexico
Mammillaria elongata	Cactaceae	Mexico
Mammillaria geminispina	Cactaceae	Mexico
Mammillaria hahniana	Cactaceae	Mexico
Mammillaria heyderi ssp. gummifera	Cactaceae	Mexico
Mammillaria longimamma	Cactaceae	Mexico
Mammillaria magnifica	Cactaceae	Mexico
Mammillaria magnimamma	Cactaceae	Mexico
Mammillaria mammillaris	Cactaceae	Carribean, Venezuela
Mammillaria microhelia	Cactaceae	Mexico(Queretaro)
Mammillaria muehlenpfordtii	Cactaceae	Mexico
Mammillaria mystax	Cactaceae	Mexico
Mammillaria perezdelarosae	Cactaceae	Mexico
Mammillaria plumosa	Cactaceae	Mexico
Mammillaria rhodantha v. rubra	Cactaceae	Mexico
Mammillaria schiedeana	Cactaceae	Mexico
Mammillaria senilis	Cactaceae	Mexico
Mammillaria sonorensis	Cactaceae	Mexico(Sonora)
Mammillaria sp.	Cactaceae
Mammillaria sphacelata v. viperina	Cactaceae	Mexico(Puebla)
Mammillaria voburnensis	Cactaceae	Guatemala
Manfreda maculosa	Agavaceae
Manfreda variegata	Agavaceae	Mexico(San Luis Potosi)
Mangave cv. Macho Mocha	Agavaceae
Mangave cv. Macho Mocha	Agavaceae	Mexico
Manihot esculenta	Euphorbiaceae	Brazil
Marsilea drummondii	Marsileaceae	Australia
Marsilea mutica	Marsileaceae	Australia
Massonia sp.	Liliaceae	South Africa
Matteuccia struthiopteris	Dryopteridaceae
Matteuccia struthiopteris	Dryopteridaceae	Europe, Asia, N. Amer.
Matucana aureiflora	Cactaceae	Peru(Cajamarca)
Matucana calliantha	Cactaceae	Peru(Amazonas)
Matucana formosa	Cactaceae	Peru
Matucana grandiflora	Cactaceae	Peru
Matucana madisoniorum	Cactaceae	Peru
Matucana weberbaueri	Cactaceae	Peru
Melaleuca armillaris	Myrtaceae	SE Australia
Melaleuca densa	Myrtaceae	Australia
Melaleuca densa	Myrtaceae	Australis
Melaleuca linariifolia	Myrtaceae	Australia
Melaleuca linariifolia	Myrtaceae	S & E Australia
Melaleuca nesophila	Myrtaceae	Australia
Melianthus major	Melianthaceae	South Africa
Melicope elleryana	Rutaceae	Australia
Melocactus bahiensis ssp. amethystinus	Cactaceae	Brazil
Melocactus conoideus	Cactaceae	Brazil(Bahia)
Melocactus intortus	Cactaceae	West Indies, Puerto Rico
Melocactus oreas	Cactaceae	South America
Mestoklema tuberosum	Aizoaceae	South Africa, Namibia
Metasequoia glyptostroboides	Taxodiaceae	China(Szechwan)
Metasequoia glyptostroboides cv. Gold Rush	Taxodiaceae
Metrosideros excelsus	Myrtaceae	New Zealand
Micranthocereus polyanthus	Cactaceae	E Brazil
Micranthocereus purpureus	Cactaceae	Brazil
Micranthocereus sp.	Cactaceae	Brazil
Microcycas calocoma	Zamiaceae	Cuba
Microlepia platyphylla	Polypodiaceae
Microlepia strigosa	Dennstaedtiaceae	Asia, Japan, Polynesia
Microlepia strigosa	Polypodiaceae	Asia, Polynesia
Microlepia strigosa f. macfaddeniae	Polypodiaceae	Asia, Polynesia
Microsorum punctatum	Polypodiaceae	Old World Tropics
Microsorum punctatum	Polypodiaceae	OW Tropics
Microsorum scandens	Polypodiaceae	Australia, New Zealand
Microsorum vieillardii	Polypodiaceae	New Caledonia
Mimulus cv. Jack	Scrophulariaceae
Miqueliopuntia miquelii	Cactaceae	N Chile
Mirabilis jalapa	Nyctaginaceae	Peru
Miscanthus juncensis	Poaceae
Miscanthus sinensis cv. Morning Light	Poaceae
Miscanthus sinensis cv. Strictus	Poaceae
Miscanthus transmorrisonensis	Poaceae	Taiwan
Monadenium cv. Nicodemus	Euphorbiaceae
Monadenium ellenbeckii	Euphorbiaceae	E Africa
Monadenium majus f. floribundum	Euphorbiaceae	Ethiopia
Monadenium sp.	Euphorbiaceae
Monstera deliciosa	Araceae	Mexico, Cen America
Moraea polystachya	Iridaceae	South Africa
Moringa drouhardii	Moringaceae	Madagascar
Morus alba cv.	Moraceae
Muehlenbeckia complexa	Polygonaceae	New Zealand
Muhlenbergia capillaris	Poaceae	Eastern United States
Muhlenbergia rigens	Poaceae	North America
Muhlenbergia rigens	Poaceae	SW United States to NW Mexico
Musa acuminata cv. Super Dwarf Cavendish	Musaceae
Musa balbisiana	Musaceae	IndoChina
Musa cv. Dwarf Brazilian	Musaceae
Musa cv. Ele Ele Black Hawaiian	Musaceae
Musa cv. Gold Finger	Musaceae
Musa cv. Ice Cream	Musaceae
Musa cv. Macro	Musaceae
Musa cv. Tall Red	Musaceae
Musa textilis	Musaceae	Philippines
Musa uranoscopus	Musaceae	IndoChina
Myoporum parvifolium cv. Davis	Myoporaceae
Myosotis scorpoides	Boraginaceae	Europe, Asia
Myosotis sylvatica	Boraginaceae	Europe
Myriophyllum aquaticum	Haloragidaceae	Argentina, Brazil, Chile
Myrsine africana	Myrsinaceae	Portugal(Azores), China
Myrtgerocactus lindsayi	Cactaceae	Mexico
Myrtillocactus cochal	Cactaceae	Mexico(Baja California)
Myrtillocactus eichlamii	Cactaceae	Guatemala
Myrtillocactus geometrizans	Cactaceae	Mexico
Myrtillocactus geometrizans v. grandiareolatus	Cactaceae	Mexico
Myrtillocactus sp. nov. "tegelbergii"	Cactaceae	Mexico
Myrtus communis	Myrtaceae	Mediterranean to SW Europe
Myrtus communis cv. Compacta	Myrtaceae
Nageia nagi	Podocarpaceae	Japan, Japan(Ryukyu Is.)
Nandina domestica	Berberidaceae	India to E Asia
Nelumbo cv. Alba Grandiflora	Nelumbonaceae
Nelumbo cv. Alba Striata	Nelumbonaceae
Nelumbo cv. Maggie Bell Slocum	Nelumbonaceae
Nelumbo cv. Mrs. Perry D. Slocum	Nelumbonaceae
Nelumbo cv. Pekinensis Rubra	Nelumbonaceae
Nelumbo cv. Rosea Plena	Nelumbonaceae
Nelumbo cv. Russian Red	Nelumbonaceae
Nelumbo lutea	Nelumbonaceae	E North America
Nelumbo nucifera	Nelumbonaceae	S Asia to Australia
Nelumbo nucifera cv. Gregg Gibson	Nelumbonaceae
Nelumbo nucifera cv. Momo Botan	Nelumbonaceae
Nelumbo nucifera cv. Mrs. Perry D. Slocum	Nelumbonaceae
Nematanthus cv. Christmas Holly	Gesneriaceae
Nematanthus hirtus cv. Tropicana	Gesneriaceae
Neobuxbaumia euphorbioides	Cactaceae	Mexico
Neobuxbaumia macrocephala	Cactaceae	Mexico
Neobuxbaumia polylopha	Cactaceae	Mexico
Neomarica caerulea	Iridaceae	Brazil
Neomarica gracilis	Iridaceae	Brazil
Neoraimondia herzogiana	Cactaceae	Bolivia
Neoregelia ampullacea	Bromeliaceae	Brazil
Neoregelia ampullacea cv. Zebrina	Bromeliaceae
Neoregelia burle-marxii	Bromeliaceae	Brazil
Neoregelia carcharodon	Bromeliaceae	Brazil
Neoregelia carolinae	Bromeliaceae	Brazil
Neoregelia carolinae cv. Meyendorffii	Bromeliaceae
Neoregelia carolinae cv. Princeps	Bromeliaceae
Neoregelia carolinae f. tricolor	Bromeliaceae	Brazil
Neoregelia compacta x olens cv. 696	Bromeliaceae	Brazil
Neoregelia concentrica cv. Plutonis	Bromeliaceae
Neoregelia concentrica hyb.	Bromeliaceae
Neoregelia cruenta	Bromeliaceae	Brazil
Neoregelia cv. Carousel	Bromeliaceae
Neoregelia cv. Dr. Oeser	Bromeliaceae
Neoregelia cv. Fireball	Bromeliaceae
Neoregelia cv. Macromarcon	Bromeliaceae
Neoregelia cv. Marcon	Bromeliaceae
Neoregelia cv. Oh! No!	Bromeliaceae
Neoregelia cv. Pepper	Bromeliaceae
Neoregelia cv. Perfection	Bromeliaceae
Neoregelia cv. Polka Dot	Bromeliaceae
Neoregelia cv. Royal Robe	Bromeliaceae
Neoregelia cv. Strawberry	Bromeliaceae
Neoregelia cv. Takemura Grande	Bromeliaceae
Neoregelia cv. Verry Cherry	Bromeliaceae
Neoregelia cv. Voodoo	Bromeliaceae
Neoregelia leprosa	Bromeliaceae	Brazil
Neoregelia lilliputiana	Bromeliaceae	Brazil
Neoregelia marmorata	Bromeliaceae	Brazil
Neoregelia marmorata hybrid	Bromeliaceae	Brazil
Neoregelia pauciflora	Bromeliaceae	Brazil
Neoregelia punctatissima	Bromeliaceae	Brazil
Neoregelia sarmentosa	Bromeliaceae	Brazil
Neoregelia sarmentosa cv. Dexter's Pride	Bromeliaceae
Neoregelia sarmentosa v. chlorosticta	Bromeliaceae	Brazil
Neoregelia spectabilis	Bromeliaceae	Brazil
Neoregelia tigrina	Bromeliaceae	Brazil
Neotanthus cv. Firefoam	Bromeliaceae
Nepeta x faassenii	Lamiaceae	Garden Origin
Nepeta x faassenii cv. Six Hills Giant	Lamiaceae
Nephrolepis cordifolia cv. Pompom	Nephrolepidiaceae
Nephrolepis cv. Compacta	Oleandraceae
Nephrolepis exaltata	Oleandraceae	Tropics
Nephrolepis exaltata	Oleandraceae	Worldwide
Nephrolepis exaltata cv. Tessellata	Oleandraceae
Nerium oleander	Apocynaceae	Mediterranean
Nicotiana sp.	Solanaceae
Nidularium cv. Francois Spae	Bromeliaceae
Nidularium cv. Souvenir de Casmir Morobe	Bromeliaceae
Nidularium hybrid	Bromeliaceae
Nidularium innocentii v. innocentii	Bromeliaceae
Nidularium innocentii v. lineatum	Bromeliaceae	Brazil
Nidularium longiflorum	Bromeliaceae
Nidularium rutilans	Bromeliaceae	Brazil
Nidularium sp.	Bromeliaceae
Niphidium crassifolium	Polypodiaceae	Mexico to South America
Niphidium crassifolium	Polypodiaceae	Tropical America
Nolina aff. longifolia	Nolinaceae
Nolina cf. beldingii	Nolinaceae	Baja California
Nolina matapensis	Nolinaceae	Mexico(Sonora)
Nolina nelsoni	Nolinaceae	Mexico(Tamaulipas)
Normanbya normanbyi	Arecaceae	NE Australia
Notocactus claviceps	Cactaceae	Brazil
Notocactus horstii	Cactaceae	Brazil
Notocactus leninghausii	Cactaceae	Brazil
Notocactus leninghausii x claviceps	Cactaceae
Notocactus linkii	Cactaceae	Brazil
Notocactus magnificus	Cactaceae	Brazil
Notocactus megapotamicus	Cactaceae	South America
Notocactus ottonis	Cactaceae	South America
Notocactus schlosseri	Cactaceae
Notocactus sp.	Cactaceae
Nuphar sagittifolium	Nymphaeaceae	Florida, Mexico
Nymania capensis	Meliaceae	South Africa
Nymphaea candida	Nymphaeaceae	N Eurasia
Nymphaea cv. Albert Greenberg	Nymphaeaceae
Nymphaea cv. Antares	Nymphaeaceae
Nymphaea cv. Arc-en-Ciel	Nymphaeaceae
Nymphaea cv. Attraction	Nymphaeaceae
Nymphaea cv. Barbara Dobbins	Nymphaeaceae
Nymphaea cv. Berit Strawn	Nymphaeaceae
Nymphaea cv. Burgundy Princess	Nymphaeaceae
Nymphaea cv. Charles de Meurville	Nymphaeaceae
Nymphaea cv. Chromatella	Nymphaeaceae
Nymphaea cv. Clyde Ikins	Nymphaeaceae
Nymphaea cv. Comanche	Nymphaeaceae
Nymphaea cv. Darwin	Nymphaeaceae
Nymphaea cv. Eldorado	Nymphaeaceae
Nymphaea cv. Emily Grant Hutchings	Nymphaeaceae
Nymphaea cv. Gladstoniana	Nymphaeaceae
Nymphaea cv. Gloire du Temple sur Lot	Nymphaeaceae
Nymphaea cv. Gloriosa	Nymphaeaceae
Nymphaea cv. Green Smoke	Nymphaeaceae
Nymphaea cv. Hal Miller	Nymphaeaceae
Nymphaea cv. Helvola	Nymphaeaceae
Nymphaea cv. Hermine	Nymphaeaceae
Nymphaea cv. Jack Wood	Nymphaeaceae
Nymphaea cv. James Brydon	Nymphaeaceae
Nymphaea cv. Joey Tomocik	Nymphaeaceae
Nymphaea cv. King of Siam	Nymphaeaceae
Nymphaea cv. Lemon Chiffon	Nymphaeaceae
Nymphaea cv. Madam Ganna Walska	Nymphaeaceae
Nymphaea cv. Madame Wilfron Gonnere	Nymphaeaceae
Nymphaea cv. Marliac Carnea	Nymphaeaceae
Nymphaea cv. Mary	Nymphaeaceae
Nymphaea cv. Masaniello	Nymphaeaceae
Nymphaea cv. Mayla	Nymphaeaceae
Nymphaea cv. Panama Pacific	Nymphaeaceae
Nymphaea cv. Pearl of the Pool	Nymphaeaceae
Nymphaea cv. Perry's Baby Red	Nymphaeaceae
Nymphaea cv. Perry's Crinkled Pink	Nymphaeaceae
Nymphaea cv. Perry's Pink Delight	Nymphaeaceae
Nymphaea cv. Perry's Red Beauty	Nymphaeaceae
Nymphaea cv. Perry's Red Dwarf	Nymphaeaceae
Nymphaea cv. Perry's Red Glow	Nymphaeaceae
Nymphaea cv. Perry's Strawberry Pink	Nymphaeaceae
Nymphaea cv. Perry's Super Red	Nymphaeaceae
Nymphaea cv. Pink Beauty	Nymphaeaceae
Nymphaea cv. Pink Pearl	Nymphaeaceae
Nymphaea cv. Pink Pumpkin	Nymphaeaceae
Nymphaea cv. Pink Sensation	Nymphaeaceae
Nymphaea cv. Queen of Siam	Nymphaeaceae
Nymphaea cv. Robinsoniana	Nymphaeaceae
Nymphaea cv. Sir Gallahad	Nymphaeaceae
Nymphaea cv. Star of Siam	Nymphaeaceae
Nymphaea cv. Sultan	Nymphaeaceae
Nymphaea cv. Texas Dawn	Nymphaeaceae
Nymphaea cv. Virginalis	Nymphaeaceae
Nymphaea cv. Woods Blue Goddess	Nymphaeaceae
Nymphaea odorata cv. Sulphurea Grandiflora	Nymphaeaceae
Nymphaea x laydekeri cv. Fulgens	Nymphaeaceae
Nymphoides geminata	Menyanthaceae	Australia(New South Wales)
Ochagavia carnea	Bromeliaceae	Chile
Ochna serrulata	Ochnaceae	South Africa
Odontonema strictum	Acanthaceae	Central America
Oenothera sp.	Onagraceae
Oenothera speciosa	Onagraceae	SW United States, Mexico
Olea europaea	Oleaceae	Mediterranean
Olea europaea cv. Manzanillo	Oleaceae
Olea exasperata	Oleaceae	South Africa
Olmediella betschleriana	Flacourtiaceae	Guatemala
Oncidium flexuosum	Orchidaceae	Brazil
Oncidium sp.	Orchidaceae
Oncidium splendidum	Orchidaceae	Guatemala
Operculicarya decaryi	Anacardiaceae	Madagascar
Ophiopogon japonicus	Convallariaceae	Japan
Ophiopogon japonicus cv. Nana	Convallariaceae
Opuntia auberi	Cactaceae	Mexico, Cuba
Opuntia basilaris	Cactaceae	SW United States
Opuntia basilaris v. treleasei	Cactaceae	SW United States
Opuntia caracassana	Cactaceae	Venezuela
Opuntia caribaea	Cactaceae	Dominican Republic
Opuntia decumbens	Cactaceae	S Mexico to Costa Rica
Opuntia dillenii	Cactaceae	SE US to Mex., Ecuador, Carib.
Opuntia echios	Cactaceae	Galapagos Islands
Opuntia echios v. gigantea	Cactaceae	Galapagos Islands
Opuntia elata	Cactaceae	Paraguay
Opuntia engelmannii v. cv. linguiformis	Cactaceae	Cen Texas
Opuntia engelmannii v. linguiformis	Cactaceae
Opuntia galapageia	Cactaceae	Galapagos Islands
Opuntia galapageia v. galapageia	Cactaceae	Galapagos Islands
Opuntia gosseliniana	Cactaceae	Arizona to NW Mexico
Opuntia helleri	Cactaceae	Galapagos Islands
Opuntia lutea	Cactaceae	Mexico to Nicaragua
Opuntia megasperma v. megasperma	Cactaceae	Galapagos Islands
Opuntia megasperma v. mesophytica	Cactaceae	Galapagos Islands
Opuntia microdasys	Cactaceae	N Mexico
Opuntia microdasys v. monstrosa	Cactaceae	N Mexico
Opuntia microdasys v. rufida	Cactaceae	N Mexico
Opuntia quimilo	Cactaceae	N Argentina, Bolivia
Opuntia robusta	Cactaceae	Cen Mexico
Opuntia sp.	Cactaceae
Opuntia sp.	Cactaceae	Galapagos Islands
Opuntia tomentosa	Cactaceae	Mexico, Guatemala
Oreocereus celsianus	Cactaceae	Bolivia, Peru, N Argentina
Oreocereus celsianus v. fossulatus	Cactaceae	Bolivia, Peru, N Argentina
Oreocereus doelzianus	Cactaceae	Cen Peru
Oreocereus hendriksenianus	Cactaceae	Chile, S Peru
Oreocereus hendriksenianus v. densilanatus	Cactaceae	Chile, S Peru
Oreocereus hybrid	Cactaceae
Oreocereus leucotrichus	Cactaceae	Chile, S Peru
Oreocereus sp.	Cactaceae
Oreocereus trollii	Cactaceae	N Argentina
Origanum dictamnus	Lamiaceae	Greece
Ornithogalum longibracteatum	Hyacinthaceae	South Africa
Ornithogalum viveus	Hyacinthaceae
Orthophytum cv. Copper Penny	Bromeliaceae
Orthophytum gurkenii	Bromeliaceae	E Brazil
Orthophytum lemei	Bromeliaceae	Brazil
Orthophytum vagans	Bromeliaceae	Brazil
Osmanthus fragrans	Oleaceae	E Asia
Osmanthus heterophylla cv. Argenteo-marginata	Oleaceae
Osmunda regalis cv. Purpurescens	Osmundaceae
Otatea acuminata ssp. aztecorum	Poaceae	Mexico to Nicaragua
Otatea glauca	Poaceae	Mexico(Chiapas)
Otholobium fruticans	Fabaceae	South Africa
Othonna protecta	Asteraceae	South Africa, Namibia
Oxalis carnosa	Oxalidaceae	Bolivia, Chile, Peru,Galapagos
Oxalis gigantea	Oxalidaceae	Chile
Pacherocactus orcuttii	Cactaceae	Mexico
Pachycereus fulviceps	Cactaceae	Mexico
Pachycereus fulviceps hybrid	Cactaceae
Pachycereus gatesii	Cactaceae	Mexico
Pachycereus gaumeri	Cactaceae	SW U.S. to Guatemala
Pachycereus grandis	Cactaceae	Mexico
Pachycereus marginatus	Cactaceae	Mexico
Pachycereus montanus	Cactaceae
Pachycereus pecten-aboriginum	Cactaceae	Mexico
Pachycereus pringlei	Cactaceae	Mexico
Pachycereus schottii	Cactaceae	SW Arizona to NW Mexico
Pachycereus schottii f. monstrose	Cactaceae	SW Arizona to NW Mexico
Pachycereus sp.	Cactaceae
Pachycereus weberi	Cactaceae	Mexico
Pachycormus discolor	Anacardiaceae	Baja California
Pachyphytum aff. sp.	Crassulaceae
Pachyphytum hookeri	Crassulaceae	Mexico
Pachyphytum sp.	Crassulaceae
Pachypodium bispinosum	Apocynaceae	South Africa
Pachypodium cf. lamerei	Apocynaceae	Madagascar
Pachypodium geayi	Apocynaceae	SW Madagascar
Pachypodium lamerei	Apocynaceae	Madagascar
Pachypodium lamerei v. ramosum	Apocynaceae	Madagascar
Pachypodium mikea	Apocynaceae	Madagascar
Pachypodium rosulatum	Apocynaceae	Madagascar
Pachypodium succulentum	Apocynaceae	South Africa
Paeonia suffruticosa	Paeoniaceae
Pancratium maritimum	Amaryllidaceae	Mediterranean, SW Europe
Pandanus tectorius	Pandanaceae	Tahiti
Pandorea jasminoides cv. Alba	Bignoniaceae	Australia
Parajubaea cocoides	Arecaceae	Ecuador
Parajubaea torallyi	Arecaceae	Bolivia
Parajubaea torallyi v. torallyi	Arecaceae	Bolivia
Parodia ocampoi	Cactaceae	Bolivia(Cochabamba)
Paspalum quadrifolia	Poaceae	New World Tropics
Passiflora citrina	Passifloraceae	Honduras
Passiflora cv. Coral Sea	Passifloraceae
Passiflora cv. Lavender Lady	Passifloraceae
Passiflora membranacea	Passifloraceae	Mexico to Panama
Passiflora sanguinolenta	Passifloraceae	Ecuador
Passiflora vitifolia	Passifloraceae	Cen to South America
Passiflora x alatocaerulea	Passifloraceae
Paulownia tomentosa	Scrophulariaceae	C & W China
Pelargonium carnosum	Geraniaceae	South Africa
Pelargonium citronellum cv. Mabel Gray	Geraniaceae
Pelargonium cotyledonis	Geraniaceae	St. Helena
Pelargonium crassipes	Geraniaceae	South Africa
Pelargonium crispum cv. French Lace	Geraniaceae
Pelargonium crispum cv. Minor	Geraniaceae
Pelargonium cv. Clorinda	Geraniaceae
Pelargonium cv. Elegance Burgundy	Geraniaceae
Pelargonium cv. Maiden Iced Wine	Geraniaceae
Pelargonium cv. Maiden Red	Geraniaceae
Pelargonium cv. Maiden Rose Pink	Geraniaceae
Pelargonium cv. Royalty White	Geraniaceae
Pelargonium densiflorum cv. Filicifolium	Geraniaceae
Pelargonium fruticosum	Geraniaceae	South Africa
Pelargonium graveolens	Geraniaceae
Pelargonium graveolens cv. Mint-Scented Rose	Geraniaceae
Pelargonium graveolens cv. Snowflake	Geraniaceae
Pelargonium ionidiflorum	Geraniaceae	South Africa
Pelargonium peltatum cv. L'elegante	Geraniaceae
Pelargonium peltatum x hortorum cv. Alpenglow	Geraniaceae
Pelargonium quercifolium cv. Endsleigh	Geraniaceae
Pelargonium sidoides	Geraniaceae	South Africa
Pelargonium sp.	Geraniaceae
Pelargonium tomentosum	Geraniaceae	South Africa
Pelargonium x blandfordianum roseum	Geraniaceae
Pelargonium x domesticum cv. Dubonnet	Geraniaceae
Pelargonium x domesticum cv. Excalibur	Geraniaceae
Pelargonium x domesticum cv. Swedish Beauty	Geraniaceae
Pelargonium x domesticum cv. Voodoo	Geraniaceae
Pelargonium x fragrans cv. Nutmeg	Geraniaceae
Pelargonium x fragrans v. variegatum	Geraniaceae
Pelargonium x hortorum cv. Happy Thoughts	Geraniaceae
Pelargonium x hortorum cv. Occold Shield	Geraniaceae
Pelargonium x rutaceum	Geraniaceae
Pelargonium xerophyton	Geraniaceae	Namibia
Pellaea falcata	Polypodiaceae	India to Australasia
Pellaea viridis	Pteridaceae	Africa to India
Peniocereus johnstonii	Cactaceae	NE Mexico
Peniocereus serpentinus	Cactaceae	Mexico
Peniocereus sp.	Cactaceae
Pennisetum orientale	Poaceae	Central & SW Asia
Pennisetum setaceum cv. Rubrum	Poaceae
Penstemon cv. Firebird	Scrophulariaceae
Penstemon cv. Garnet	Scrophulariaceae
Penstemon hybrids	Scrophulariaceae
Peperomia kimnachii	Piperaceae	Bolivia
Peperomia sp.	Piperaceae	Ecuador
Pereskia grandifolia	Cactaceae	Brazil
Pereskia sacharosa	Cactaceae	South America
Pereskia sp.	Cactaceae
Pereskia x bleo	Cactaceae
Pereskia zinniiflora	Cactaceae	Cuba
Perovskia cv. Blue Spire	Lamiaceae	Pakistan
Persea americana cv. Haas	Lauraceae
Persea americana cv. Pinkerton	Lauraceae
Phaius tankervilliae	Orchidaceae	Himalaya to Australia
Phalaris arundinacea cv. Picta	Poaceae
Phegopteris decursive-pinnata	Thelypteridaceae	E. Asia
Philodendron bipinnatifidum	Araceae	Paraguay, S. Brazil
Philodendron sp.	Araceae
Phlebodium pseudoaureum cv.	Polypodiaceae
Phlebodium pseudoaureum cv. Glaucum	Polypodiaceae
Phlomis cashmeriana	Lamiaceae	Afganistan
Phlomis lanata	Lamiaceae	Greece
Phlomis purpurea	Lamiaceae	Spain
Phoenix canariensis	Arecaceae	Spain(Canary Islands)
Phoenix canariensis hybrid	Arecaceae	Spain(Canary Islands)
Phoenix dactylifera	Arecaceae	African Tropics
Phoenix reclinata	Arecaceae	African Tropics
Phoenix roebelenii	Arecaceae	Laos
Phoenix sylvestris	Arecaceae	India
Phoenix theophrastii	Arecaceae	Greece(Crete), Turkey
Phormium cv. Duet	Phormiaceae
Phormium cv. Dusky Chief	Phormiaceae	New Zealand
Phormium cv. Sundowner	Phormiaceae
Photinia x fraseri	Rosaceae	S & E Asia
Phygelius x rectus cv. Moonraker	Scrophulariaceae
Phylica buxifolia	Rhamnaceae	South Africa
Phyllanthus reticulatus	Euphorbiaceae	Old World Tropics
Phyllitis scolopendrium	Polypodiaceae	Worldwide
Phyllostachys bambusoides	Poaceae	China, Japan
Phyllostachys nigra	Poaceae	China, Japan
Phyllostachys nigra cv. Henon	Poaceae
Phyllostachys viridis cv. Robert Young	Poaceae
Phytolacca dioica	Phytolaccaceae	South America
Phytolacca dioica x weberbaueri	Phytolaccaceae
Picea pungens cv. Glauca	Pinaceae
Picea sp.	Pinaceae
Pilosocereus aff. sp.	Cactaceae
Pilosocereus aurisetus	Cactaceae	Brazil
Pilosocereus chrysacanthus	Cactaceae	Mexico
Pilosocereus chrysostele	Cactaceae	Brazil
Pilosocereus diersianus	Cactaceae	Brazil(Goias)
Pilosocereus flavipulvinatus	Cactaceae	Brazil
Pilosocereus gounellei ssp. zehntneri	Cactaceae	Brazil
Pilosocereus lanuginosus	Cactaceae	N South America
Pilosocereus leucocephalus	Cactaceae	Mexico to Guatemala & Honduras
Pilosocereus pachycladus	Cactaceae	Brazil
Pilosocereus purpusii	Cactaceae	Mexico
Pilosocereus royenii	Cactaceae	Mexico, Carribean
Pilosocereus sp.	Cactaceae
Pilosocereus ulei	Cactaceae	Brazil
Pinus brutia ssp. eldarica	Pinaceae	Afghanistan, Turkey
Pinus canariensis	Pinaceae	Spain(Canary Islands)
Pinus densiflora	Pinaceae	Japan
Pinus elliottii	Pinaceae	SE United States
Pinus glabra	Pinaceae	SE United States
Pinus greggii	Pinaceae	NE Mexico
Pinus halepensis	Pinaceae	Mediterranean
Pinus martinezii	Pinaceae	Mexico(Michoacan)
Pinus monophylla	Pinaceae	California to Baja California
Pinus mugo v. mugo	Pinaceae	Central Europe
Pinus muricata	Pinaceae	California
Pinus oocarpa	Pinaceae	NW Mexico to Nicaragua
Pinus pinea	Pinaceae	Mediterranean
Pinus radiata	Pinaceae	California to Baja California
Pinus strobus	Pinaceae	E North America
Pinus taeda	Pinaceae	New Jersey to Texas
Pinus thunbergiana	Pinaceae	Japan
Pinus thunbergiana cv. Monina	Pinaceae
Pinus torreyana	Pinaceae	San Diego Co, Santa Rosa Is,Ca
Pinus x attenuradiata	Pinaceae
Piper aduncum	Piperaceae	N S. America
Pisonia umbellifera cv. Variegata	Nyctaginaceae
Pistia stratiotes	Araceae	Pantropical
Pitcairnia sp.	Bromeliaceae
Pittosporum crassifolium	Pittosporaceae	New Zealand
Pittosporum phillyreoides	Pittosporaceae	Australia
Pittosporum tobira	Pittosporaceae	China, Japan
Pittosporum tobira cv. Variegata	Pittosporaceae
Pittosporum undulatum	Pittosporaceae	Australia
Pittosporum viridiflorum	Pittosporaceae	South Africa
Pityrogramma austroamericana	Hemionitidaceae	South America
Plagianthus regius	Malvaceae	Australia
Plantago sp.	Plantaginaceae
Platanus racemosa	Platanaceae	S California to Baja CA
Platycerium andinum	Polypodiaceae	Peru, Bolivia
Platycerium bifurcatum	Polypodiaceae	Australia
Platycerium bifurcatum	Polypodiaceae	E. Australia
Platycerium bifurcatum cv. Netherlands	Polypodiaceae
Platycerium bifurcatum cv. Roberts	Polypodiaceae
Platycerium bifurcatum cv. Ziesenhenne	Polypodiaceae
Platycerium bifurcatum v. venosum	Polypodiaceae	NE Australia
Platycerium cv. Jimmy	Polypodiaceae
Platycerium cv. Pumila	Polypodiaceae
Platycerium hillii	Polypodiaceae	Australia
Platycerium sp.	Polypodiaceae
Platycerium superbum	Polypodiaceae
Platycerium superbum	Polypodiaceae	Australia
Platycerium willinckii	Polypodiaceae	Indonesia
Platycerium willinckii	Polypodiaceae	Indonesia(Java)
Platycerium willinckii cv. Lemoinei	Polypodiaceae
Platycerium willinckii cv. Scofield	Polypodiaceae
Plectocomia elongata	Arecaceae	Indonesia
Plectranthus argentatus	Lamiaceae	Australia(Queensland)
Plectranthus ciliatus cv. Drege	Lamiaceae
Plectranthus fruticosus	Lamiaceae	South Africa
Plectranthus socotranus	Lamiaceae	Yemen
Plectranthus sp.	Lamiaceae
Pleioblastus pygmaeus	Poaceae	Japan
Pleioblastus viridi-striatus	Poaceae	Japan
Pleomele hawaiiensis	Agavaceae	Hawaii
Plumbago auriculata cv. Imperial Blue	Plumbaginaceae
Plumeria rubra cv. Guillot's Sunset	Apocynaceae
Plumeria rubra cv. Hawaiian Yellow	Apocynaceae
Plumeria rubra cv. Nelly's White	Apocynaceae
Plumeria sp.	Apocynaceae
Poa costiniana	Poaceae	Australia
Podocarpus alpinus	Podocarpaceae	SE Australia
Podocarpus elatus	Podocarpaceae	Australia
Podocarpus macrophylla	Podocarpaceae	Japan
Podocarpus totara	Podocarpaceae	New Zealand
Polaskia chende	Cactaceae	S Mexico(Puebla, Oaxaca)
Polaskia chichipe	Cactaceae	Mexico
Polygala x dalmaisiana	Polygalaceae
Polypodium formosanum cv. Cristatum	Polypodiaceae
Polypodium guttatum	Polypodiaceae	Mexico
Polypodium scouleri	Polypodiaceae	Canada(Br. Columbia) to Cal.
Polypodium sp.	Polypodiaceae
Polyscias sambucifolia	Araliaceae	Australia
Polystichum acrostichoides	Polypodiaceae	E North America
Polystichum munitum	Polypodiaceae	Alaska to Monterey, California
Polystichum polyblepharum	Polypodiaceae	Asia
Polystichum setiferum	Polypodiaceae	Europe
Polystichum tsus-simense	Polypodiaceae	China, Japan, Korea
Polystichum x dycei	Dryopteridaceae
Pomaderris pilifera	Rhamnaceae	Australia
Portea grandibracteata	Bromeliaceae	Brazil
Portea petropolitana v. extensa	Bromeliaceae	Brazil
Portea silveirae	Bromeliaceae	Brazil
Portulacaria afra	Portulacaceae	South Africa
Praecereus cavendishii	Cactaceae	S Brazil, Argentina, Paraguay
Praecereus euchlorus ssp. diffusa	Cactaceae	S Ecuador, N Peru
Praecereus sp.	Cactaceae
Pratia pedunculata	Campanulaceae
Pritchardia beccariana	Arecaceae	Hawaii
Pritchardia hillebrandii	Arecaceae	Hawaii
Protasparagus africanus	Asparagaceae	S & SW Africa
Protasparagus densiflorus cv. Cwebe	Asparagaceae
Protasparagus densiflorus cv. Flagstaff	Asparagaceae
Protasparagus densiflorus cv. Mazeppa	Asparagaceae
Protasparagus densiflorus cv. Meyers	Asparagaceae
Protasparagus densiflorus cv. Sprengeri	Asparagaceae
Protasparagus macowanii	Asparagaceae	South Africa
Protasparagus retrofractus	Asparagaceae	South Africa
Protasparagus virgatus	Asparagaceae	South Africa
Prunus armeniaca cv. Gold Kist	Rosaceae
Prunus armeniaca cv. Katy	Rosaceae
Prunus armeniaca cv. Lorna	Rosaceae
Prunus armeniaca cv. Newcastle	Rosaceae
Prunus armeniaca cv. Royal	Rosaceae
Prunus armeniaca x domestica	Rosaceae
Prunus armeniaca x domestica cv. Dapple Dandy	Rosaceae
Prunus armeniaca x domestica cv. Flavor Delight	Rosaceae
Prunus armeniaca x domestica cv. Flavor Queen	Rosaceae
Prunus avium cv. Craig's Crimson	Rosaceae
Prunus avium cv. Stella	Rosaceae
Prunus avium x domestica cv. Delight	Rosaceae
Prunus avium x domestica cv. Sprite	Rosaceae
Prunus campanulata	Rosaceae	Taiwan, Japan(Ryukyu Is.)
Prunus domestica	Rosaceae
Prunus domestica cv.	Rosaceae
Prunus domestica cv. Burgundy	Rosaceae
Prunus domestica cv. Howard Miracle	Rosaceae
Prunus domestica cv. Laroda	Rosaceae
Prunus domestica ssp. italica cv. Green Gage	Rosaceae
Prunus domestica v. italica cv. Green Gage	Rosaceae
Prunus dulcis cv. All-in-One	Rosaceae
Prunus dulcis cv. Garden Prince	Rosaceae
Prunus dulcis cv. Nonpareil	Rosaceae
Prunus dulcis cv. Price	Rosaceae
Prunus ilicifolia	Rosaceae	California and Baja, Ca
Prunus ilicifolia ssp. lyonii	Rosaceae	California
Prunus ilicifolia ssp. lyonii	Rosaceae	USA
Prunus laurocerasus	Rosaceae	SE Europe to SW Asia
Prunus persica cv. August Pride	Rosaceae
Prunus persica cv. Australian Saucer	Rosaceae
Prunus persica cv. Babcock	Rosaceae
Prunus persica cv. Earlitreat	Rosaceae
Prunus persica cv. Edwards Ambrosia	Rosaceae
Prunus persica cv. Midpride	Rosaceae
Prunus persica cv. Ventura	Rosaceae
Prunus persica v. nucipersica cv. Arctic Glo	Rosaceae
Prunus persica v. nucipersica cv. Arctic Star	Rosaceae
Prunus persica v. nucipersica cv. Desert Dawn	Rosaceae
Prunus persica v. nucipersica cv. Double Delight	Rosaceae
Prunus persica v. nucipersica cv. Edwards Divinity	Rosaceae
Prunus persica v. nucipersica cv. Fantasia	Rosaceae
Prunus persica v. nucipersica cv. Panamint	Rosaceae
Prunus salicina cv. Beauty	Rosaceae
Prunus salicina cv. Friar	Rosaceae
Prunus salicina cv. Santa Rosa	Rosaceae
Prunus salicina cv. Satsuma	Rosaceae
Prunus sp.	Rosaceae
Pseudananas sagenarius	Bromeliaceae	Brazil, Paraguay
Pseudobombax elipticum	Bombacaceae	Mexico
Pseudobombax ellipticum	Bombacaceae	Mexico
Pseudorhipsalis ramulosa	Cactaceae	Mexico to Bolivia
Psidium littorale v. longipes	Myrtaceae	Brazil
Psilotum nudum	Psilotaceae
Psoralea pinnata	Fabaceae	South Africa(E. Cape Province)
Pteris calderi	Pteridaceae
Pteris cretica	Polypodiaceae
Pteris cretica cv. Rivertoniana	Pteridaceae
Pteris cretica cv. Wimsettii	Polypodiaceae
Pteris cretica v. nervosa	Pteridaceae
Pteris quadriaurita v. argyraea	Polypodiaceae	India
Pteris tremula	Polypodiaceae	Australia, New Zealand
Pteris vittata	Polypodiaceae	Worldwide
Pteris wallichiana	Pteridaceae
Pterocactus aff. fischeri	Cactaceae	Argentina
Pterocactus fischeri	Cactaceae	Argentina
Pterocactus sp.	Cactaceae	Argentina
Punica granatum cv. Wonderful	Punicaceae
Puya alpestris	Bromeliaceae	Chile
Puya coerulea	Bromeliaceae	Chile
Puya colima x humilis	Bromeliaceae
Puya dyckioides	Bromeliaceae	Argentina
Puya humilis	Bromeliaceae	Bolivia
Puya laxa	Bromeliaceae	Chile
Puya mirabilis	Bromeliaceae	Argentina, Bolivia
Puya sp.	Bromeliaceae
Puya venusta	Bromeliaceae	Chile
Pyrrosia hastata	Polypodiaceae
Pyrrosia lingua	Polypodiaceae	Asia
Pyrrosia lingua cv. Variegata	Polypodiaceae
Pyrrosia shearei	Polypodiaceae	S.E. Asia
Pyrrosia sp.	Polypodiaceae
Pyrus communis cv.	Rosaceae
Pyrus communis cv. Flordahome	Rosaceae
Pyrus communis cv. Hood	Rosaceae
Pyrus communis cv. Kieffer	Rosaceae
Pyrus communis cv. Monterrey	Rosaceae
Pyrus cv. 20th Century	Rosaceae
Pyrus cv. Kieffer	Rosaceae
Pyrus cv. Shinko	Rosaceae
Pyrus cv. Shinseiki	Rosaceae
Pyrus cv. Tsu Li	Rosaceae
Pyrus cv. Ya Li	Rosaceae
Quercus agrifolia	Fagaceae	California
Quercus albocincta	Fagaceae	Mexico
Quercus lobata	Fagaceae	California
Quercus rugosa	Fagaceae	SW US through Guatemala
Quercus rysophylla	Fagaceae	Mexico
Quercus sartorii	Fagaceae	Mexico
Quercus virginiana	Fagaceae	Virginia to Florida and Mexico
Quesnelia arvensis	Bromeliaceae	S Brazil
Quesnelia marmorata	Bromeliaceae	S Brazil
Quesnelia testudo	Bromeliaceae	E Brazil
Ranunculus sp.	Ranunculaceae
Rauhia peruviana	Liliaceae	Peru
Rauvolfia caffra	Apocynaceae	South Africa
Rauvolfia samarensis	Apocynaceae	Philippines
Ravenea madagascariensis	Arecaceae	Madagascar
Ravenea monticola	Arecaceae	Madagascar
Ravenea rivularis	Arecaceae	Madagascar
Rebutia arenacea	Cactaceae	Bolivia(Cochabamba)
Rebutia canigueralii	Cactaceae	Bolivia
Rebutia peruviana	Cactaceae
Reineckea carnea	Convallariaceae	China, Japan
Rhagodia spinescens v. deltophylla	Chenopodiaceae	S Australia
Rhamnus alaternus	Rhamnaceae	Portugal
Rhamnus californica cv. Eve Case	Rhamnaceae	California
Rhamnus californica cv. Eve Case	Rhamnaceae	Wester US
Rhamnus californicus	Rhamnaceae	W United States
Rhamnus californicus v. tomentella	Rhamnaceae	California
Rhaphidophora decursiva	Araceae	SE Asia
Rhapidophyllum hystrix	Arecaceae	SE United States
Rhapis excelsa	Arecaceae	S China
Rhapis humilis	Arecaceae	China
Rhipsalis cereuscula	Cactaceae	Cen Brazil to Uraguay
Rhipsalis cf. elliptica	Cactaceae	Brazil
Rhipsalis clavata	Cactaceae	SE Brazil
Rhipsalis crispa	Cactaceae
Rhipsalis grandiflora	Cactaceae	Brazil
Rhipsalis micrantha	Cactaceae	Brazil
Rhipsalis micrantha	Cactaceae	Ecuador
Rhipsalis micrantha x naranja	Cactaceae
Rhipsalis monacantha v. espinosa	Cactaceae	N Argentina
Rhipsalis pachyptera	Cactaceae	Brazil
Rhipsalis paradoxa	Cactaceae	Brazil
Rhipsalis paradoxa	Cactaceae	SE Brazil
Rhipsalis pentaptera	Cactaceae	S Brazil
Rhipsalis pilocarpa	Cactaceae	Brazil
Rhipsalis platycarpa	Cactaceae	Brazil
Rhipsalis rhombea	Cactaceae	Brazil
Rhipsalis sp.	Cactaceae
Rhipsalis sulcata	Cactaceae	Brazil
Rhipsalis teres	Cactaceae	Brazil
Rhipsalis teres	Cactaceae	S Brazil
Rhododendron atlanticum	Ericaceae	North America
Rhododendron canescens	Ericaceae	North America
Rhododendron catawbiense x viscosum cv. Fragrans	Ericaceae
Rhododendron cubittii cv. Ashcombe	Ericaceae
Rhododendron cuffeanum	Ericaceae
Rhododendron cv. Alaska	ericacaea
Rhododendron cv. Anah Kruschke	Ericaceae
Rhododendron cv. Angeles Crest	Ericaceae
Rhododendron cv. Arthur Bedford	Ericaceae
Rhododendron cv. Brilliant	ericacaea
Rhododendron cv. Christmas Cheer	ericacaea
Rhododendron cv. Chrysomanicum	Ericaceae
Rhododendron cv. Corona	Ericaceae
Rhododendron cv. Dame Nellie Melba	Ericaceae
Rhododendron cv. Duc de Rohan	ericacaea
Rhododendron cv. Fastuosum Flore Pleno	Ericaceae
Rhododendron cv. Formosa	ericacaea
Rhododendron cv. Forsterianum	Ericaceae
Rhododendron cv. Fragrantissimum Improved	Ericaceae
Rhododendron cv. George Budgen	Ericaceae
Rhododendron cv. George Lindley Tabor	ericacaea
Rhododendron cv. L. J. Bobbink	ericacaea
Rhododendron cv. Loderi Ilam Cream	Ericaceae
Rhododendron cv. Loder's White	Ericaceae
Rhododendron cv. Mamie	ericacaea
Rhododendron cv. Mexicali Rose	ericacaea
Rhododendron cv. My Mary	Ericaceae
Rhododendron cv. Percy Wiseman	Ericaceae
Rhododendron cv. Pink Pearl	Ericaceae
Rhododendron cv. Point Defiance	Ericaceae
Rhododendron cv. Pride of Dorking	ericacaea
Rhododendron cv. Princess Alexandra	Ericaceae
Rhododendron cv. Rainbow	Ericaceae
Rhododendron cv. Red Wing	ericacaea
Rhododendron cv. Reine Long	Ericaceae
Rhododendron cv. Roseum Elegans	ericacaea
Rhododendron cv. Southern Charm	ericacaea
Rhododendron cv. Tahitian Dream	Ericaceae
Rhododendron cv. Tressa McMurry	Ericaceae
Rhododendron cv. Van Nes Sensation	Ericaceae
Rhododendron cv. Warlock	Ericaceae
Rhododendron cv. White Pearl	Ericaceae
Rhododendron formosum	Ericaceae	India
Rhododendron ponticum	Ericaceae	Europe and Asia
Rhododendron sp.	Ericaceae
Rhododendron viscosum x prunifolium	Ericaceae
Rhododendron x atlanticum	Ericaceae
Rhombophyllum dolabriforme	Aizoaceae	South Africa
Rhopalostylis baueri	Arecaceae	Australia(Norfolk Is.)
Rhopalostylis sapida	Arecaceae	New Zealand
Rhus integrifolia	Anacardiaceae	S California to Baja, Ca
Rhus lentii	Anacardiaceae	Mexico
Rhus ovata	Anacardiaceae	California
Rhynchospora colorata	Cyperaceae	SE United States
Ribes viburnifolium	Saxifragaceae	S California to NW Mexico
Rohdea japonica	Convallariaceae	China, Japan
Rosa cv. Cinco de Mayo	Rosaceae
Rosa cv. Hot Cocoa	Rosaceae
Rosa cv. Julia Child	Rosaceae
Rosa cv. Livin' Easy	Rosaceae
Rosmarinus officinalis	Lamiaceae	Mediterranean
Rosmarinus officinalis cv. Lockwood de Forest	Lamiaceae
Rosularia pallida	Crassulaceae	Cen Asia
Rotala indica	Lythraceae	Asia
Roystonea regia	Arecaceae	Cuba
Rudbeckia fulgida v. sullivantii cv. Goldstrum	Asteraceae
Rudbeckia hirta	Asteraceae	E United States
Rudbeckia hirta cv. Cherokee Sunset	Asteraceae
Ruellia brittoniana	Acanthaceae	Mexico
Ruellia macrantha	Acanthaceae	Brazil
Ruellia makoyana	Acanthaceae	Brazil
Ruellia sp.	Acanthaceae
Rumohra adiantiformis	Polypodiaceae	Asia to Australia
Rumohra adiantiformis cv. Davis	Dryopteridaceae
Ruschia centrocapsula	Aizoaceae	South Africa
Russelia equisetiformis	Scrophulariaceae	Mexico
Sabal bahamensis	Arecaceae	Bahamas
Sabal bermudana	Arecaceae	Bermuda
Sabal blackburniana	Arecaceae	Bahamas(Santa Domingo Cay)
Sabal mauritiiformis	Arecaceae	Cen and S America, Trinidad
Sabal minor	Arecaceae	SE United States
Sabal parviflora	Arecaceae	Cuba
Sabal uresana	Arecaceae	NW Mexico
Sabal yapa	Arecaceae	W Cuba, Mexico(Yucatan),Belize
Saccharum cv.	Poaceae
Sagittaria lancifolia	Alismataceae	American Tropics
Salix babylonica	Salicaceae	Asia
Salix babylonica cv. Crispa	Salicaceae
Salix laevigata	Salicaceae	SW United States
Salix lasiandra	Salicaceae	W N. America
Salix lasiolepis	Salicaceae	W N. America
Salvia apiana	Lamiaceae	California
Salvia brandegeei	Lamiaceae	California, Mexico(Baja, CA)
Salvia brandegeei cv. Pacific Blue	Lamiaceae	California, Mexico(Baja, CA)
Salvia cedrosensis	Lamiaceae	Mexico(Baja CA)
Salvia chamaedryoides	Lamiaceae	Mexico
Salvia chiapensis	Lamiaceae	Mexico
Salvia clevelandii	Lamiaceae	S California, Mexico(Baja, CA)
Salvia clevelandii cv. Winifred Gilman	Lamiaceae	S. Calif., Baja
Salvia clevlandii cv. Winifred Gilman	Lamiaceae
Salvia cv. Allen Chickering	Lamiaceae
Salvia cv. Anthony Parker	Lamiaceae
Salvia cv. Bee's Bliss	Lamiaceae
Salvia cv. Dara's Choice	Lamiaceae
Salvia cv. Purple Majesty	Lamiaceae
Salvia cv. Starlight	Lamiaceae
Salvia cv. Vicki Romo	Lamiaceae
Salvia cv. Waverly	Lamiaceae
Salvia elegans	Lamiaceae	S Mexico, Guatemala
Salvia greggii	Lamiaceae	SW Texas to N Cen Mexico
Salvia guaranitica	Lamiaceae	Argentina, Brazil, Paraguay
Salvia leucantha	Lamiaceae	Mexico
Salvia leucophylla	Lamiaceae
Salvia leucophylla cv. Amethyst Bluff	Lamiaceae
Salvia leucophylla cv. Figueroa	Lamiaceae
Salvia leucophylla cv. Point Sal Spreader	Lamiaceae
Salvia mellifera	Lamiaceae	California
Salvia muelleri	Lamiaceae	Mexico
Salvia sagittata	Lamiaceae	Ecuador
Salvia sp.	Lamiaceae
Salvia spathacea	Lamiaceae
Salvia spathacea	Lamiaceae	Coastal California
Salvia splendens	Lamiaceae	Brazil
Salvia uliginosa	Lamiaceae	South America
Sambucus mexicana	Caprifoliaceae	W N. America
Sambucus nigra cv. Variegata	Caprifoliaceae
Sansevieria cylindrica	Dracaenaceae	Africa
Sansevieria deserti	Dracaenaceae	South Africa, Zimbabwe
Sansevieria masoniana	Dracaenaceae	Congo
Sansevieria patens	Dracaenaceae	Africa
Sansevieria rorida	Dracaenaceae	Somalia
Sansevieria sp.	Dracaenaceae	Africa
Sansevieria sp.	Dracaenaceae	Somalia
Sansevieria trifasciata cv. Moonshine	Dracaenaceae
Santolina pinnata ssp. neapolitana cv. Lemon Queen	Asteraceae
Sapindus saponaris	Sapindaceae	African Tropics
Sarcostemma stolonifera	Asclepiadaceae	Kenya, N Tanzania
Sarcostemma viminale	Asclepiadaceae	Africa
Sasa veitchii	Poaceae	Japan
Saxifraga stolonifera	Saxifragaceae	E Asia
Scabiosa sp.	Dipsacaceae
Scadoxus multiflorus ssp. katharinae	Amaryllidaceae	South Africa
Scaevola cv. Mauve Clusters	Goodeniaceae
Scaevola cv. Pink Carpet	Goodeniaceae
Schizolobium parahybum	Caesalpiniaceae	S Mexico to S Brazil
Schlumbergera sp.	Cactaceae
Schoenus nigricans	Cyperaceae	Europe
Schotia afra	Caesalpiniaceae	SW South Africa
Schotia brachypetala	Caesalpiniaceae	South Africa
Sciadopitys verticillata	Taxodiaceae	Japan
Scilla hyacinthoides	Hyacinthaceae	Mediterranean
Scilla natalensis	Hyacinthaceae	South Africa
Sedum acre	Crassulaceae	Europe, Asia Minor
Sedum album cv. Nigra	Crassulaceae	Europe
Sedum brevifolium	Crassulaceae	W Europe
Sedum clavatum	Crassulaceae	Mexico
Sedum confusum	Crassulaceae	Mexico
Sedum dasyphyllum	Crassulaceae	N Africa, S & W Europe
Sedum hybrid	Crassulaceae
Sedum morganianum	Crassulaceae	Mexico
Sedum nussbaumerianum	Crassulaceae	Mexico
Sedum ochroleucum	Crassulaceae	Europe
Sedum pachyphyllum	Crassulaceae	S Mexico
Sedum sp.	Crassulaceae
Sedum spurium cv. Fuldaglut	Crassulaceae
Sedum torulosum	Crassulaceae	Mexico
Sedum x rubrotinctum	Crassulaceae
Sedum x rubrotinctum cv. Aurora	Crassulaceae
Selenicereus anthonyanus	Cactaceae	Mexico
Selenicereus chrysocardium	Cactaceae	Mexico(Chiapas)
Selenicereus coniflorus	Cactaceae	E Mexico
Selenicereus grandiflorus	Cactaceae	Jamaica, Cuba
Selenicereus hamatus	Cactaceae	Mexico(Veracruz, Jalapa)
Selenicereus inermis	Cactaceae	Venezuela, Colombia
Selenicereus macdonaldiae	Cactaceae	Central America
Selenicereus megalanthus	Cactaceae
Selenicereus wercklei	Cactaceae	Costa Rica
Sempervivum arachnioidium cv. Pekingense	Crassulaceae
Sempervivum calcareum	Crassulaceae	SW Alps
Sempervivum cv. Silverine	Crassulaceae
Senecio articulatus	Asteraceae	South Africa
Senecio articulatus v. variegatus	Asteraceae	South Africa
Senecio cineraria	Asteraceae
Senecio citriformis	Asteraceae	South Africa
Senecio haworthii	Asteraceae	South Africa(N. Cape Province)
Senecio jacobsenii	Asteraceae	Kenya, Tanzania
Senecio macroglossus cv. Variegatum	Asteraceae
Senecio mandraliscae	Asteraceae	South Africa
Senecio picticaulis	Asteraceae	E Africa
Senecio praecox	Asteraceae	Mexico
Senecio tropaeolifolius	Asteraceae	South Africa
Senna didymobotrya	Caesalpiniaceae	E Africa
Senna petersiana	Caesalpiniaceae
Sequoia sempervirens	Taxodiaceae	California, Oregon
Sequoia sempervirens cv. Santa Cruz	Taxodiaceae
Serenoa repens	Arecaceae	SE United States
Sesleria autumnalis	Poaceae	Italy
Silene regia	Caryophyllaceae	Central United States
Sinarundinaria nitida	Poaceae	Cen China
Sinningia areneosa	Gesneriaceae	Brazil
Sinningia piresiana	Gesneriaceae	Brazil
Sinningia sellovii	Gesneriaceae	Argentina, Brazil
Sinningia speciosa	Gesneriaceae	Brazil
Sinningia warmingii	Gesneriaceae	South America
Sisyrinchium californicum	Iridaceae	N CA to British Columbia
Solanum jasminoides	Solanaceae	Brazil
Soleirolia soleirolii	Urticaceae	Mediterranean
Solidago californica	Asteraceae	Western US
Sollya heterophylla	Pittosporaceae	Australia
Sollya heterophylla	Pittosporaceae	SW Australia
Sonchus acaulis	Asteraceae	Spain(Canary Islands)
Sparmannia africana	Tiliaceae	South Africa
Spathiphyllum sp.	Araceae
Sphaeropteris cooperi	Cyatheaceae	Australia
Sphaeropteris cooperi cv. Brentwood	Cyatheaceae
Sporobolus airoides	Poaceae	W United States
Stachys byzantina	Lamiaceae	Turkey
Stachys chrysantha	Lamiaceae	Greece
Stangeria eriopus	Stangeriaceae	South Africa
Stanhopea wardii	Orchidaceae	Mexico
Stenocactus aff. pentacanthus	Cactaceae	Mexico
Stenocactus coptonogonus	Cactaceae	Mexico
Stenocactus sp.	Cactaceae
Stenocactus sp.	Cactaceae	Mexico
Stenocactus vaupelianus	Cactaceae	Mexico(Hidalgo)
Stenocarpus sinuatus	Proteaceae	E Australia
Stenocereus alamosensis	Cactaceae	Mexico(Chihuahua, Sonora)
Stenocereus beneckei	Cactaceae	Mexico
Stenocereus eruca	Cactaceae	Mexico(Baja California Sur)
Stenocereus fimbriatus	Cactaceae	Caribbean
Stenocereus griseus	Cactaceae	Mexico to Venezuela
Stenocereus gummosus	Cactaceae	S California to Mexico
Stenocereus macdowellii	Cactaceae
Stenocereus pruinosus	Cactaceae	Cen & S Mexico
Stenocereus sp.	Cactaceae	Mexico
Stenocereus stellatus	Cactaceae	Mexico
Stenocereus thurberi	Cactaceae	S Arizona to Mexico
Stenocereus thurberi ssp. littoralis	Cactaceae	S Arizona to Mexico
Stenocereus victoriensis	Cactaceae
Stephanotis floribunda	Asclepiadaceae	Madagascar
Sterculia africana	Sterculiaceae	Zimbabwe
Stetsonia coryne	Cactaceae	Argentina, Bolivia
Strelitzia juncea	Strelitziaceae	South Africa
Strelitzia nicolai	Strelitziaceae	South Africa
Strelitzia reginae	Strelitziaceae	Africa
Strelitzia reginae cv. Mandela's Gold	Strelitziaceae
Streptocarpus x hybridus	Gesneriaceae
Stromanthe sanguinea	Marantaceae	Brazil
Swietenia mahagoni	Meliaceae	Caribbean
Syagrus comosa	Arecaceae	Brazil
Syagrus coronata	Arecaceae	Brazil
Syagrus flexuosa	Arecaceae	Brazil
Syagrus romanzoffiana	Arecaceae	South America
Syagrus schizophylla	Arecaceae	Brazil
Syagrus sp.	Arecaceae	Bolivia
Synadenium cupulare	Euphorbiaceae	South Africa
Syzygium dombeyi	Myrtaceae	Brazil
Syzygium paniculatum	Myrtaceae	Australia
Syzygium paniculatum cv. Globulus	Myrtaceae
Syzygium paniculatum cv. Monterey Bay	Myrtaceae
Syzygium paniculatum cv. Teenie Genie	Myrtaceae
Tabebuia chrysantha	Bignoniaceae	Mexico to Venezuela
Tabebuia chrysotricha	Bignoniaceae	Brazil, Colombia
Tabebuia sp.	Bignoniaceae
Tagetes lemmonii	Asteraceae	SW United States
Taiwania cryptomerioides	Cupressaceae	SW China, Upper Burma
Tanacetum niveum	Asteraceae	Europe
Tanacetum parthenium	Asteraceae
Tanacetum parthenium cv. Aureum	Asteraceae
Tanacetum vulgare	Asteraceae	Europe
Taxodium distichum cv. Cajun Snowfall	Taxodiaceae
Taxodium mucronatum	Taxodiaceae	Mexico
Tecoma cv. Orange Julius	Bignoniaceae
Tellima grandiflora	Saxifragaceae	Cen California to Alaska
Tephrocactus articulatus v. papyracantha	Cactaceae	Argentina
Ternstroemia gymnanthera	Theaceae	India to Malaysia & Cen Japan
Tetradenia sp. nov.	Lamiaceae	Madagascar
Tetrapanax papyriferus	Araliaceae	China, Taiwan
Thalia dealbata	Marantaceae	SE United States
Thalictrum aquilegifolium	Ranunculaceae	Europe, Asia
Thalictrum dipterocarpum	Ranunculaceae	W China
Thalictrum flavum	Ranunculaceae	Eurasia
Thalictrum foetidum	Ranunculaceae	Cen Europe
Thalictrum minus ssp. saxatile	Ranunculaceae	Europe, N Asia
Thalictrum simplex	Ranunculaceae	Europe
Thelocactus sp.	Cactaceae
Thelocactus sp.	Cactaceae	Mexico
Thelocactus tulensis	Cactaceae	Mexico
Thelypteris acuminata	Thelypteridaceae	E. Asia
Thelypteris ovata	Polypodiaceae	SW U.S., Cen Amer., W. Indies
Thelypteris ovata v. lindheimeri	Thelypteridaceae	Texas, Mexico
Thelypteris palustris	Thelypteridaceae
Thelypteris puberula	Polypodiaceae	California
Thelypteris sp.	Polypodiaceae
Thuja occidentalis cv. Rushmore	Cupressaceae
Thujopsis dolabrata	Cupressaceae	Japan
Thymus serpyllum cv. Pink Chintz	Lamiaceae
Thysanolaena maxima	Poaceae	China
Tillandsia streptophylla x brachycaulos cv. Eric Knobloch	Bromeliaceae
Tillandsia albertiana	Bromeliaceae	NW Argentina
Tillandsia araujei	Bromeliaceae	Brazil
Tillandsia bergeri	Bromeliaceae	Argentina
Tillandsia butzii	Bromeliaceae	Mexico to Cen America
Tillandsia concolor	Bromeliaceae	Mexico, El Salvador
Tillandsia crocata	Bromeliaceae	Brazil, Argentina, Uruguay
Tillandsia cyanea	Bromeliaceae	Ecuador
Tillandsia duratii	Bromeliaceae	Bolivia, Paraguay, Argentina
Tillandsia edithae	Bromeliaceae	Bolivia
Tillandsia eizii	Bromeliaceae	Mexico
Tillandsia fasciculata	Bromeliaceae	Florida & Mexico to Colombia
Tillandsia fasciculata v. venosispica	Bromeliaceae	Mexico to Colombia, W. Indies
Tillandsia flabellata	Bromeliaceae	Mexico, Cen America
Tillandsia grandis	Bromeliaceae	Mexico
Tillandsia guatemalensis	Bromeliaceae	Mexico to Cen America
Tillandsia intermedia	Bromeliaceae	Mexico
Tillandsia ionantha	Bromeliaceae	Mexico to Costa Rica
Tillandsia ionantha cv. Druid	Bromeliaceae
Tillandsia ionantha cv. Peanut	Bromeliaceae
Tillandsia juncea	Bromeliaceae	Mexico to South America
Tillandsia juncea hybrid	Bromeliaceae
Tillandsia lajensis	Bromeliaceae	Ecuador
Tillandsia leonamiana	Bromeliaceae	Brazil
Tillandsia mallemontii	Bromeliaceae	Brazil
Tillandsia nigri-stipitata	Bromeliaceae	Mexico
Tillandsia paucifolia	Bromeliaceae	Fla.,Cuba,Bahamas,CO to Mexico
Tillandsia recurvata	Bromeliaceae	S U.S. to South America
Tillandsia roseospicata	Bromeliaceae
Tillandsia sp.	Bromeliaceae
Tillandsia sp.	Bromeliaceae	Mexico
Tillandsia straminea	Bromeliaceae	Peru, Ecuador
Tillandsia streptophylla	Bromeliaceae	Mexico to Honduras, Jamaica
Tillandsia stricta	Bromeliaceae	Brazil
Tillandsia stricta x albertiana	Bromeliaceae
Tillandsia tectorum	Bromeliaceae	Ecuador, Peru
Tillandsia tricolor	Bromeliaceae	Mexico to Costa Rica
Tillandsia usneoides	Bromeliaceae	SE U.S. to South America
Tillandsia usneoides v. major	Bromeliaceae	SE U.S. to South America
Tipuana tipu	Fabaceae	Brazil, Bolivia, Argentina
Tithonia rotundifolia	Asteraceae	Mexico to Cen America
Todea barbara	Osmundaceae	Aust., New Zealand, S. Africa
Tournefortia acutiflora	Boraginaceae	Mexico
Trachelium caeruleum	Campanulaceae	Europe
Trachycarpus fortunei	Arecaceae	China, Japan
Trachycarpus martianus	Arecaceae	Himalayas
Trachycarpus takil	Arecaceae	Himalayas
Trachycarpus wagnerianus	Arecaceae	Cultivated origin
Tradescantia pallida cv. Large Purple Heart	Commelinaceae
Tradescantia sillamontana	Commelinaceae	NE Mexico
Tradescantia spathacea cv. Tricolor	Commelinaceae
Trevesia palmata	Araliaceae	India to China
Trichodiadema bulbosum	Aizoaceae	South Africa
Trichoglottis philippinensis v. brachiata	Orchidaceae	Philippines
Tristania conferta	Myrtaceae	Australia(New South Wales)
Trithrinax acanthocoma	Arecaceae	Brazil
Trithrinax brasiliensis	Arecaceae	Caribbean
Tropaeolum majus	Tropaeolaceae	South America
Tulbaghia violacea	Alliaceae	South Africa
Tunilla corrugata	Cactaceae	Argentina
Turbinicarpus horripilus	Cactaceae	Mexico(Hidalgo)
Tylecodon paniculata	Crassulaceae	South Africa
Tylecodon sinus-alexandrii	Crassulaceae	South Africa
Tylecodon sp.	Crassulaceae
Ulmus americana	Ulmaceae	E North America
Ulmus parvifolia	Ulmaceae	China, Japan
Ulmus sp.	Ulmaceae
Uncarina roeoseliana	Pedaliaceae	Madagascar
Urginea maritima	Hyacinthaceae	Mediterranean, Portugal
Ursulaea tuitensis	Bromeliaceae	Mexico(Jalisco)
Veltheimia bracteata	Hyacinthaceae	South Africa
Veltheimia capensis	Hyacinthaceae	South Africa
Venegasia carpesioides cv. Estrella	Asteraceae
Verbena lilacina cv. De La Mina	Verbenaceae	Mexico
Vernonia noveboracensis	Asteraceae	East & SE U.S.
Verticordia plumosa	Myrtaceae	W Australia
Viburnum tinus cv. Spring Bouquet	Caprifoliaceae
Victoria x cv. Longwood Hybrid	Nymphaeaceae
Viola hederacea	Violaceae
Viola hederacea	Violaceae	Australia
Vitis californica cv. Rogers Red	Vitaceae
Vriesea carinata hybrid	Bromeliaceae
Vriesea cv. Warmingii	Bromeliaceae
Vriesea ensiformis	Bromeliaceae	Brazil
Vriesea erythrodactylon	Bromeliaceae	Brazil
Vriesea espinosae	Bromeliaceae	Ecuador
Vriesea fosteriana	Bromeliaceae	Brazil
Vriesea fosteriana cv. Red Chestnut	Bromeliaceae
Vriesea fosteriana x gigantea	Bromeliaceae
Vriesea fosteriana x hieroglyphica	Bromeliaceae
Vriesea ospinae	Bromeliaceae	Columbia
Vriesea platynema v. platynema	Bromeliaceae	South America
Vriesea platynema v. variegata	Bromeliaceae	E Brazil
Vriesea platynema x gigantea	Bromeliaceae
Vriesea saundersii	Bromeliaceae	Brazil
Vriesea sceptrum cv. Sceptre D'or	Bromeliaceae
Vriesea sp.	Bromeliaceae	Brazil
Vriesea splendens	Bromeliaceae	N South America
Vriesea sucrei	Bromeliaceae	Brazil
Vriesea x vigeri	Bromeliaceae
Wallichia disticha	Arecaceae	Himalayas
Washingtonia filifera	Arecaceae	SW United States
Washingtonia robusta	Arecaceae	NW Mexico
Weberbauerocereus callanus	Cactaceae	Peru
Weberbauerocereus cuzcoensis	Cactaceae	Peru
Weberbauerocereus johnsonii	Cactaceae	Peru(Cajamarca)
Weberbauerocereus longicomus	Cactaceae	Peru(Cajamarca)
Weberbauerocereus rauhii	Cactaceae	Peru
Weberbauerocereus sp.	Cactaceae	Peru
Weberbauerocereus weberbaueri	Cactaceae	S Peru, N Chile
Weberbauerocereus weberbaueri v. horribilis	Cactaceae	S Peru, N Chile
Weberbauerocereus winterianus	Cactaceae	Peru
Weberbauerocereus winterianus v. australis	Cactaceae	Peru
Welwitschia mirabilis	Welwitschiaceae	Angola, Namibia
Werauhia werckliana	Bromeliaceae
Werckleocereus glaber v. mirandae	Cactaceae	Mexico
Westringia cv. Morning Light	Lamiaceae
Westringia fruticosa	Lamiaceae	Australia(New South Wales)
Westringia fruticosa cv. Smokey	Lamiaceae
Widdringtonia nodiflora	Cupressaceae	S. Africa, Mozambique,Zimbabwe
Widdringtonia schwarzii	Cupressaceae	South Africa(E Cape Prov.)
Wigandia caracasana	Hydrophyllaceae
Winterocereus aureispinus	Cactaceae	Bolivia
Wisteria floribunda	Fabaceae	Japan
Wisteria sinensis	Fabaceae	China
Wittrockia superba	Bromeliaceae	Brazil
Wollemia nobilis	Araucariaceae	Australia(New South Wales)
Woodwardia fimbriata	Blechnaceae	California to Baja California
Woodwardia radicans	Blechnaceae	Europe
Woodwardia unigemmata	Blechnaceae	E. Asia
Woodwardia unigemmata	Blechnaceae	Taiwan
Xanthorrhoea preisii	Xanthorrhoeaceae	SW Australia
Xanthorrhoea quadrangulata	Xanthorrhoeaceae	Australia
Xanthosoma sp.	Araceae
Xerosicyos danguyi	Cucurbitaceae	Madagascar
Yucca aloifolia cv. Marginata	Agavaceae
Yucca carnerosana	Agavaceae	North America
Yucca cv. Blue Boy	Agavaceae
Yucca elephantipes	Agavaceae	Mexico, Central America
Yucca filifera	Agavaceae	Texas, N Mexico
Yucca periculosa	Agavaceae	Mexico
Yucca schidigera	Agavaceae	California, NW AZ, SW Nevada
Yucca thompsoniana	Agavaceae	Mexico
Yungasocereus inquisivensis	Cactaceae	Bolivia(La Paz)
Zamia amblyphyllidia	Zamiaceae	Puerto Rico, Cuba, Jamaica
Zamia boliviana	Zamiaceae	N. Bolivia
Zamia cremnophila	Zamiaceae	Mexico(Tabasco)
Zamia encephalartoides	Zamiaceae	Columbia
Zamia fairchildiana	Zamiaceae	Costa Rica, Panama
Zamia fischeri	Zamiaceae	Mexico
Zamia furfuracea	Zamiaceae	Mexico
Zamia herrerae	Zamiaceae	Pac. Coastal Cen Am. & S Mex.
Zamia inermis	Zamiaceae	Mexico
Zamia integrifolia	Zamiaceae	Florida, Bahamas
Zamia integrifolia forma nov. "Bahamas"	Zamiaceae	Florida, Bahamas, Jamaica
Zamia integrifolia forma nov. "New Providence"	Zamiaceae	Florida, Bahamas, Jamaica
Zamia lacandona	Zamiaceae	Mexico(Chiapas)
Zamia loddigesii	Zamiaceae	Mexico, Belize, Guatemala
Zamia muricata	Zamiaceae	N Venezuela, Colombia
Zamia poeppigiana	Zamiaceae	Peru
Zamia pumila	Zamiaceae	Cuba, Pto Rico, Dominican Rep.
Zamia skinneri	Zamiaceae	Panama
Zamia soconuscensis	Zamiaceae	Mexico(Chiapas)
Zamia sp.	Zamiaceae
Zamia spartea	Zamiaceae	Mexico, Guatemala
Zamia splendens	Zamiaceae	Mexico
Zamia standleyi	Zamiaceae	Honduras
Zamia variegata	Zamiaceae	Mexico, Guatemala, Belize
Zamioculcas zamiifolia	Araceae	Tanzania
Zantedeschia aethiopica	Araceae	South Africa
Zantedeschia cv. cultivar	Araceae
Zantedeschia cv. Green Goddess	Araceae
Zantedeschia cv. Hercules	Araceae
Zantedeschia sp.	Araceae
Zephyranthes cv. Lily Pies	Amaryllidaceae
Zieria pilosa	Rutaceae	Australia
Zizyphus jujuba	Rhamnaceae	SE Europe to China
Zombia antillarum	Arecaceae	Haiti
Zygosicyos pubescens	Cucurbitaceae	Madagascar