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 cinerea ssp. cinerea | High-plains Beeblossom Wooly Beeblossom | |
| Oenothera cinerea ssp. parksii | Parks' Beeblossom Woolly Butterfly-weed Parks Gaura | |
| Oenothera coryi | El Paso Evening Primrose El Paso Evening-primrose | |
| Oenothera drummondii | Beach Evening-primrose Beach Evening Primrose | |
| Oenothera filiformis | Longflower Beeblossom Longflower Gaura Large-flowered Gaura Kearney Gaura Tall Gaura | |
| Oenothera flava | Yellow Evening-primrose Long-tube Evening-primrose Shortfin Evening-primrose Yellow Evening Primrose | |
| Oenothera flava ssp. flava | Long-tubed Evening-primrose Yellow Evening Primrose Yellow Evening-primrose | |
| Oenothera gayleana | Gypsum Evening Primrose | |
| Oenothera havardii | Havard's Evening Primrose Havard's Evening-primrose | |
| Oenothera lindheimeri | White Gaura Butterfly Gaura Lindheimer's Beeblossom Lindheimer's Gaura | |
| Oenothera macrocarpa | Bigfruit Evening-primrose Missouri Evening-primrose Fluttermill Big-fruit Evening-primrose Missouri Primrose Bigfruit Evening Primrose | |
| Oenothera macrocarpa ssp. incana | Bigfruit Evening-primrose Silver Leaf Primrose Bigfruit Evening Primrose | |
| Oenothera macrocarpa ssp. macrocarpa | Bigfruit Evening-primrose Fluttermill Missouri Evening Primrose | |
| Oenothera macrocarpa ssp. oklahomensis | Oklahoma Evening Primrose Oklahoma Evening-primrose | |
| Oenothera mckelveyae | Mckelvey's Beeblossom Mckelvey's Evening Primrose Mckelvey's Evening-primrose | |
| Oenothera mexicana | Mexican Evening Primrose | |
| Oenothera pallida ssp. runcinata | White Sands Evening Primrose | |
| Oenothera pilosella | Meadow Evening-primrose | |
| Oenothera pilosella ssp. sessilis | Meadow Evening Primrose Meadow Evening-primrose Prairie Sundrops | |
| 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 texensis | Texas Evening Primrose Texas Evening-primrose | |
| Oenothera villosa | Hairy Evening Primrose | |
| Oenothera xerogaura | Drummond's Beeblossom Drummond's Gaura | |
| Oldenlandia boscii | Bosc's Mille Graines | |
| Oldenlandia corymbosa | Flat-top Mille Graines | |
| Oligoneuron nitidum | Shiny Goldenrod | |
| Oligoneuron rigidum | Stiff Goldenrod Hard-leaf Goldenrod | |
| Oligoneuron rigidum var. humile | Stiff Goldenrod | |
| Oligoneuron rigidum var. rigidum | Stiff Goldenrod | |
| Onosmodium bejariense | Soft-hair Marbleseed | |
| Onosmodium bejariense var. bejariense | Soft-hair Marbleseed False Gromwell | |
| Onosmodium bejariense var. occidentale | Western Marbleseed | |
| Onosmodium helleri | Heller's Marbleseed Marble-seed | |
| Onoclea sensibilis | Sensitive Fern Bead Fern Sympathy Fern | |
| Ophioglossum californicum | California Adder's Tongue California Adder's-tongue California Adderstongue | |
| Ophioglossum crotalophoroides | Bulbous Adder's-tongue | |
| Ophioglossum engelmannii | Limestone Adder's-tongue Limestone Adderstongue | |
| Operculina pinnatifida | Tansyleaf Lidpod Tansy-leaf Lidpod | |
| Ophioglossum polyphyllum | Large Adder's-tongue Large Adders Tongue Large Adderstongue | |
| Orontium aquaticum | Goldenclub Neverwet | |
| Orbexilum pedunculatum | Sampson's Snakeroot | |
| Orbexilum pedunculatum var. pedunculatum | Sampson's Snakeroot | |
| Orbexilum simplex | Singlestem Leather-root | |
| Osmunda cinnamomea | Cinnamon Fern | |
| Osmunda cinnamomea var. cinnamomea | Cinnamon Fern | |
| Osmorhiza longistylis | Longstyle Sweetroot Aniseroot Sweet-cicely Wild Licorice | |
| Osmorhiza mexicana | Mexican Sweetcicely Mexican Sweet Cicely Mexican Sweetroot Livermore Sweet-cicely | |
| Osmorhiza mexicana ssp. bipatriata | Mexican Sweetcicely Mexican Sweet Cicely Mexican Sweetroot Livermore Sweet-cicely | |
| Osmunda regalis | Royal Fern | |
| Osmunda regalis var. spectabilis | Royal Fern | |
| 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 | |
| Oxytropis lambertii var. articulata | Purple Locoweed Locoweed | |
| Oxalis priceae | Tufted Yellow Woodsorrel | |
| Oxalis priceae ssp. texana | Texas Wood-sorrel Texas Woodsorrel | |
| Oxypolis rigidior | Stiff Cowbane | |
| Oxytropis sericea | White Locoweed Silky Locoweed | |
| Oxytropis sericea var. sericea | White 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 | |
| Packera aurea | Golden Groundsel Golden Ragwort Butterweed | |
| Parthenium confertum | Gray's Feverfew | |
| Paronychia congesta | Bushy Whitlow-wort Rio Grande Nailwort | |
| Paronychia drummondii | Drummond's Nailwort | |
| Passiflora filipes | Passion Flower Passion Vine Slender Passion-flower Slender Passionflower | |
| Parnassia grandifolia | Largeleaf Grass-of-parnassus Bigleaf Grass-of-parnassus Limeseep Parnassia | |
| Packera hartiana | Hart's Ragwort | |
| Parthenium hispidum | Wild Quinine American Feverfew | |
| Parthenium integrifolium | Wild Quinine American Fever-few | |
| Parthenium integrifolium var. integrifolium | Wild Quinine | |
| Passiflora lutea | Yellow Passionflower Yellow Passion Vine Yellow Passion-flower | |
| Paronychia lundelliorum | Lundell's Nailwort | |
| Paronychia maccartii | Mccart's Nailwort McCart's Whitlow-wort | |
| Packera millelobata | Uinta Ragwort | |
| Paronychia monticola | Livermore Nailwort | |
| Packera neomexicana | New Mexico Groundsel | |
| Packera neomexicana var. neomexicana | New Mexico Groundsel | |
| Packera obovata | Golden Groundsel Roundleaf Groundsel Roundleaf Ragwort | |
| Passiflora pallida | Corky-stem Passion-flower Corkystem Passionflower Pale Passion-flower Passion Flower Passion Vine | |
| Paronychia sessiliflora | Creeping Nailwort Low Nailwort Stemless Nailwort | |
| Passiflora suberosa | Corkstem Passionflower | |
| Packera tomentosa | Woolly Ragwort | |
| Packera tridenticulata | Threetooth Ragwort | |
| 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 alamosensis | Los Alamos Beardtongue Alamo Beardtongue | |
| scientific name | common name(s) | image gallery |
