Combination search
Looking for commercially available native plant species suitable to your state or region, try the Recommended Species page.
| scientific name | common name(s) | image gallery |
| Oenothera macrocarpa ssp. macrocarpa | Bigfruit Evening-primrose Fluttermill Missouri Evening Primrose | |
| Oenothera pallida | Pale Evening-primrose | |
| Oenothera pallida ssp. runcinata | White Sands Evening Primrose | |
| Oenothera rhombipetala | Fourpoint Evening-primrose Four-point Evening Primrose Diamond Petal Primrose Greater Four-point Evening-primrose | |
| Oenothera rosea | Rose Evening Primrose | |
| Oenothera sinuosa | Wavyleaf Beeblossom Wavyleaf Gaura | |
| Oenothera speciosa | Pink Evening Primrose Showy Evening Primrose Mexican Evening Primrose Showy Primrose Pink Ladies Buttercups Pink Buttercups | |
| Oenothera suffulta ssp. nealleyi | Nealley's Kisses | |
| Oenothera suffulta ssp. suffulta | Kisses | |
| Oenothera texensis | Texas Evening Primrose Texas Evening-primrose | |
| Oenothera triangulata | Prairie Beeblossom Prairie Evening Primrose Prairie Evening-primrose | |
| Oenothera villosa | Hairy Evening Primrose | |
| Oenothera villosa ssp. villosa | Hairy Evening-primrose | |
| Oenothera xerogaura | Drummond's Beeblossom Drummond's Gaura | |
| Oldenlandia boscii | Bosc's Mille Graines | |
| Oldenlandia corymbosa | Flat-top Mille Graines | |
| Oligomeris linifolia | Lineleaf Whitepuff | |
| Oligoneuron nitidum | Shiny Goldenrod | |
| Oligoneuron rigidum | Stiff Goldenrod Hard-leaf Goldenrod | |
| Oligoneuron rigidum var. humile | Stiff Goldenrod | |
| Oligoneuron rigidum var. rigidum | Stiff Goldenrod | |
| Oldenlandia uniflora | Clustered Mille Graines | |
| Operculina pinnatifida | Tansyleaf Lidpod Tansy-leaf Lidpod | |
| Orobanche ludoviciana | Louisiana Broomrape | |
| Orobanche ludoviciana ssp. multiflora | Manyflower Broomrape | |
| Orobanche riparia | River Broom Rape River Broom-rape River Broomrape | |
| Oxalis albicans | Radishroot Woodsorrel | |
| Oxalis alpina | Alpine Woodsorrel Alpine Wood-sorrel | |
| Oxalis albicans ssp. albicans | Radishroot Woodsorrel Western Yellow Wood-sorrel | |
| Oxalis albicans ssp. pilosa | Hairy Western Wood-sorrel Hairy Wood Sorrel Radishroot Woodsorrel | |
| Oxalis dichondrifolia | Peonyleaf Woodsorrel | |
| Oxalis dillenii | Slender Yellow Wood Sorrel Yellow Wood Sorrel Yellow Woodsorrel | |
| Oxalis drummondii | Drummond's Wood-sorrel Large-leaf Wood-sorrel Drummond's Woodsorrel | |
| Oxypolis filiformis | Water Cowbane | |
| Oxalis frutescens | Shrubby Wood-sorrel Shrubby Woodsorrel | |
| Oxalis frutescens ssp. angustifolia | Shrubby Wood-sorrel Shrubby Woodsorrel | |
| Oxytropis lambertii | Purple Locoweed | |
| Oxypolis rigidior | Stiff Cowbane | |
| Oxytropis sericea | White Locoweed Silky Locoweed | |
| Oxalis stricta | Common Yellow Oxalis Yellow Wood-sorrel Upright Yellow Wood-sorrel Yellow Woodsorrel | |
| Oxypolis ternata | Piedmont Cowbane | |
| Oxalis violacea | Violet Woodsorrel Violet Wood-sorrel | |
| Parnassia asarifolia | Kidneyleaf Grass-of-parnassus Appalachian Grass-of-parnassus | |
| Palafoxia callosa | Small Palafox Small Palafoxia | |
| Parthenium confertum | Gray's Feverfew | |
| Paronychia drummondii | Drummond's Nailwort | |
| Paronychia fastigiata | Clusterstem Nailwort Hairy Forked Chickweed Hairy Forked Nailwort | |
| Paronychia fastigiata var. fastigiata | Hairy Forked Chickweed Hairy Forked Nailwort | |
| Paronychia fastigiata var. paleacea | Hairy Forked Chickweed Hairy Forked Nailwort | |
| Passiflora filipes | Passion Flower Passion Vine Slender Passion-flower Slender Passionflower | |
| Parnassia grandifolia | Largeleaf Grass-of-parnassus Bigleaf Grass-of-parnassus Limeseep Parnassia | |
| Parthenium hispidum | Wild Quinine American Feverfew | |
| Palafoxia hookeriana | Sand Palafox Showy Palafox Hooker Palafoxia Sand Palafoxia Hooker's Palafoxia | |
| Palafoxia hookeriana var. hookeriana | Sand Palafox | |
| Palafoxia hookeriana var. minor | Sand Palafox | |
| Parthenium integrifolium | Wild Quinine American Fever-few | |
| Parthenium integrifolium var. integrifolium | Wild Quinine | |
| Paronychia lindheimeri | Forked Nailwort | |
| Paronychia lindheimeri var. longibracteata | Forked Nailwort | |
| Paronychia lindheimeri var. lindheimeri | Forked Nailwort | |
| Passiflora lutea | Yellow Passionflower Yellow Passion Vine Yellow Passion-flower | |
| Paronychia lundelliorum | Lundell's Nailwort | |
| Paronychia monticola | Livermore Nailwort | |
| Passiflora pallida | Corky-stem Passion-flower Corkystem Passionflower Pale Passion-flower Passion Flower Passion Vine | |
| Parietaria pensylvanica | Pennsylvania Pellitory Pennsylvania Cucumber Plant | |
| Palafoxia reverchonii | Reverchon's Palafox | |
| Palafoxia riograndensis | Rio Grande Palafox | |
| Palafoxia rosea | Rosy Palafox Rose Palafoxia | |
| Palafoxia rosea var. macrolepis | Rosy Palafox | |
| Palafoxia rosea var. rosea | Rosy Palafox | |
| Paronychia setacea | Bristle Nailwort Bristle Whitlow-wort | |
| Paronychia setacea var. longibracteata | Bristle Nailwort Bristle Whitlow-wort | |
| Paronychia setacea var. setacea | Bristle Nailwort Bristle Whitlow-wort | |
| Palafoxia sphacelata | Othake Sand Palafoxia | |
| Passiflora suberosa | Corkstem Passionflower | |
| Palafoxia texana | Texas Palafox | |
| Palafoxia texana var. ambigua | Texas Palafox | |
| Palafoxia texana var. texana | Texas Palafox | |
| Paronychia virginica | Whitlow-wort Broom Nailwort Yellow Nailwort Park's Nailwort | |
| Paronychia wilkinsonii | Wilkinson's Nailwort Wilkinson's Whitlow-wort | |
| Perityle aglossa | Bluff Rockdaisy Rayless Rockdaisy | |
| Penstemon albidus | White Penstemon White Beardtongue Red-line Penstemon Red-line Beardtongue | |
| Petiveria alliacea | Guinea Hen Weed | |
| Penstemon ambiguus | Pink Plains Penstemon Pink Plains Beardtongue Gilia Penstemon Gilia Beardtongue Sand Penstemon Sand Beardtongue | |
| Penstemon ambiguus var. ambiguus | Gilia Beardtongue Gilia Penstemon | |
| Penstemon ambiguus var. laevissimus | Gilia Penstemon Pink Plains Beardtongue Pink Plains Penstemon | |
| Pectis angustifolia | Limoncillo Lemonscent Crownseed Pectis Lemon-scented Pectis Lemonscent Pectis Lemonweed Chinchweed Fetid Marigold | |
| Pectis angustifolia var. angustifolia | Narrowleaf Pectis | |
| Pectis angustifolia var. fastigiata | Lemonscent | |
| Pectis angustifolia var. tenella | Lemonscent Low Pectis Mexican Chinchweed | |
| Penstemon barbatus | Scarlet Bugler Beard-lip Penstemon Beard-lip Beardtongue Red Penstemon Red Beardtongue Goldenbeard Penstemon Goldenbeard Beardtongue Saint Joseph's Staff Varita De San Jose | |
| Penstemon barbatus ssp. barbatus | Beardlip Penstemon | |
| Penstemon barbatus ssp. torreyi | Torrey's Penstemon Torrey's Beardtongue | |
| Perityle bisetosa | Two-bristle Rock Daisy Twobristle Rockdaisy | |
| Perityle bisetosa var. appressa | Two-bristle Rock Daisy Twobristle Rockdaisy | |
| Perityle bisetosa var. bisetosa | Twobristle Rockdaisy Two-bristle Rock Daisy | |
| Perityle bisetosa var. scalaris | Twobristle Rockdaisy Twospike Rockdaisy | |
| Pericome caudata | Mountain Tail-leaf Tail-leaf Pericome | |
| Petrophytum caespitosum | Mat Rockspirea Rocky Mountain Rockmat Dwarf Spiraea Petrophytum Tufted Rockmat | |
| Pectis cylindrica | Sonoran Chinchweed Three-rayed Chinchweed | |
| scientific name | common name(s) | image gallery |
