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Last updated October 1, 2009

Name Family Nativity
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