Fallopia convolvulus
Black-bindweed
Festuca ovina
Sheep's-fescue
Festuca vivipara
Viviparous Sheep's-fescue
Ficaria verna
Lesser Celandine
Filago germanica
Common Cudweed
Filago lutescens
Red-tipped Cudweed
Filipendula ulmaria
Meadowsweet
Filipendula vulgaris
Dropwort
Fistulina hepatica
Beefsteak fungus
Flammulina velutipes
Velvet Shank
Flavoparmelia caperata
Common Greenshield Lichen
Foeniculum vulgare
Fennel
Forsythia x intermedia
Forsythia
Fragaria ananassa
Garden Strawberry
Fragaria vesca
Wild Strawberry
Frangula alnus
Alder Buckthorn
Frankenia laevis
Sea-heath
Fraxinus excelsior
Ash
Fraxinus ornus
Manna Ash
Fritillaria meleagris
Fritillary
Frullania fragilifolia
Spotty Fingers
Fuchsia magellanica
Fuchsia
Fucus ceranoides
Horned Wrack
Fulgensia fulgens
Scrambled-egg lichen