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