Flatsedge
Flatspine Stickseed
Flatstem Pondweed
Flattened Oatgrass
Flax
Flaxleaf Whitetop Aster
Fleabane
Fleshy Hawthorn
Floating Bur-reed
Floating Mannagrass
Floating Pondweed
Floatingheart
Floerkea
Florist's Spiraea
Flower Of An Hour
Flowering Dogwood
Flowering Quince
Flowering Rush
Flowering Spurge
Fluxweed
Foamflower
Fogg's Goosefoot
Fool's Parsley
Forbes's Hawthorn
Forget-me-not
Forked Bluecurls
Forked Catchfly
Forked Rush
Forsythia
Fortune Meadowsweet
Fountaingrass
Four O'clock
Fourleaf Milkweed
Fowl Bluegrass
Fowl Mannagrass
Fox Grape
Fox Sedge
Foxglove
Foxglove Beardtongue
Foxtail
Foxtail Barley
Foxtail Clubmoss
Foxtail Millet
Foxtail Sedge
