All Plants
Showing 18 of 18 plants starting with "O"
Ozark milk-vetch
Astragalus distortus
Ox-eye daisy
marguerite, white daisy
Leucanthemum vulgare
Winged burningbush
Oriental spindle-tree
Euonymus alatus
One-flower Indian-pipe
Monotropa uniflora
One-flowered broomrape
cancer-root
Orobanche uniflora
Ozark trillium
Trillium viridescens
Oklahoma phlox
Phlox oklahomensis
Oval-leaf bladderpod
Physaria ovalifolia
One-seed croton
Prairie tea
Croton monanthogynus
Osage orange
Bois d'arc, hedge-apple
Maclura pomifera
Old-field cinquefoil
common cinquefoil, old-field five-fingers
Potentilla simplex
Gray goldenrod
Old-field goldenrod, prairie goldenrod
Solidago nemoralis
Ox-eye
false sunflower
Heliopsis helianthoides
Fragrant cudweed
fragrant everlasting, old-field balsam
Pseudognaphalium obtusifolium
Old plainsman
white-bract hymenopappus
Hymenopappus scabiosaeus
Common spiderwort
Ohio spiderwort, reflext spiderwort, Spiderwort
Tradescantia ohiensis
Orchard grass
Dactylis glomerata
Prairie threeawn
oldfield three-awn, ticklegrass, wiregrass
Aristida oligantha