1. With regard to computation
   "computationally, this is a tricky problem"

See also: computational

• genus Filago
• genus Firmiana
• genus Fissurella
• genus Fistularia
• genus Fistulina
• genus Flacourtia
• 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