1. Low semi-evergreen perennial herb having small spikes of white or pinkish flowers; native to southern United States but grown elsewhere
   - Allegheny spurge, Pachysandra procumbens

Type of: pachysandra

• genus Flammulina
• genus Flindersia
• genus Foeniculum
• genus Fomes
• genus Forestiera
• genus Forficula
• genus Formica
• genus Formicarius
• genus Forsythia
• genus Fortunella
• genus Fossa
• genus Fothergilla
• genus Fouquieria
• genus Fragaria
• genus Francisella
• genus Francoa
• genus Frankliniella
• genus Frasera
• genus Fratercula
• genus Fraxinus
• genus Freesia
• genus Fregata
• genus Fremontia
• genus Fremontodendron
• genus Fringilla