All Plants

False dragonhead

Lion's heart, narrow-leaf false dragonhead

Physostegia angustifolia

False rue anemone

Enemion biternatum

Fire-on-the-mountain

painted euphorbia, painted-leaf spurge, wild poinsettia

Euphorbia cyathophora

Teasel

Fuller's teasel

Dipsacus fullonum

Floating water-primrose

creeping water-primrose, smooth water primrose

Ludwigia peploides

Foxtail dalea

foxtail prairie clover, hare's-foot dalea

Dalea leporina

Late eupatorium

fall boneset, late-flowering throughwort

Eupatorium serotinum

Fendler's aster

Symphyotrichum fendleri

Fringed loosestrife

Lysimachia ciliata

Fowl mannagrass

Glyceria striata

Showy chloris

Feather finger-grass

Chloris virgata

Fourleaf milkweed

four-leaved milkweed

Asclepias quadrifolia

Viscid euthamia

flat-topped goldenrod, narrow-leaved goldenrod

Euthamia gymnospermoides

Straw flat-sedge

false nutsedge, straw-colored cyperus

Cyperus strigosus

Fourpoint evening primrose

rhombic evening primrose

Oenothera rhombipetala

Hartweg evening primrose

Fendler evening primrose, Hartweg's sundrops

Oenothera hartwegii

Fog fruit

frog-fruit, lanceleaf fogfruit, northern fogfruit

Lippia lanceolata

False garlic

Nothoscordum bivalve

Venice mallow

flower-of-an-hour

Hibiscus trionum

Fremont's clematis

Fremont's leather-plant

Clematis fremontii