Last updated October 1, 2009
Name | Family | Nativity |
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 |