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 |
| Orbexilum simplex | Singlestem Leather-root | |
| Orobanche uniflora | One-flowered Broomrape One-flower Cancer Root | |
| Osmunda cinnamomea | Cinnamon Fern | |
| Osmunda cinnamomea var. cinnamomea | Cinnamon Fern | |
| Osmunda cinnamomea var. glandulosa | Cinnamon Fern Osmonde Cannelle | |
| Osmorhiza claytonii | Clayton's Sweetroot Hairy Sweet-cicely Sweet Jarvil | |
| Osmunda claytoniana | Interrupted Fern | |
| Osmorhiza longistylis | Longstyle Sweetroot Aniseroot Sweet-cicely Wild Licorice | |
| Osmunda regalis | Royal Fern | |
| Osmunda regalis var. spectabilis | Royal Fern | |
| Ostrya virginiana | Eastern Hop-hornbeam American Hop-hornbeam Woolly Hop-hornbean Eastern Ironwood Roughbark Ironwood Ironwood Deerwood Leverwood | |
| Oxalis albicans | Radishroot Woodsorrel | |
| Oxalis albicans ssp. albicans | Radishroot Woodsorrel Western Yellow Wood-sorrel | |
| Oxalis dillenii | Slender Yellow Wood Sorrel Yellow Wood Sorrel Yellow Woodsorrel | |
| Oxypolis rigidior | Stiff Cowbane | |
| Oxalis stricta | Common Yellow Oxalis Yellow Wood-sorrel Upright Yellow Wood-sorrel Yellow Woodsorrel | |
| Oxalis violacea | Violet Woodsorrel Violet Wood-sorrel | |
| Panicum anceps | Beaked Panicgrass Beaked Panic Grass | |
| Parnassia asarifolia | Kidneyleaf Grass-of-parnassus Appalachian Grass-of-parnassus | |
| Packera aurea | Golden Groundsel Golden Ragwort Butterweed | |
| Paspalum bifidum | Pitchfork Crown Grass Pitchfork Crowngrass Pitchfork Paspalum | |
| Paspalum boscianum | Bull Crown Grass Bull Crowngrass Bull Paspalum | |
| Panicum brachyanthum | Prairie Panicgrass Prairie Panic Grass | |
| Paronychia canadensis | Smooth Forked Nailwort Forked Chickweed | |
| Palafoxia callosa | Small Palafox Small Palafoxia | |
| Panicum capillare | Witchgrass | |
| Panicum dichotomiflorum | Fall Panicgrass Fall Panic Grass | |
| Paspalum dissectum | Mudbank Crowngrass | |
| Paspalum distichum | Knotgrass | |
| Panicum dichotomiflorum var. dichotomiflorum | Fall Panic Grass Fall Panicgrass | |
| 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 | |
| Panicum flexile | Wiry Witch Grass Wiry Panic Grass Stiff Witch Grass Slender Panic Grass | |
| Paspalum floridanum | Florida Paspalum | |
| Paspalum fluitans | Horse-Tail Crown Grass Horsetail Paspalum Water Paspalum | |
| Panicum gattingeri | Gattinger's Panic Grass Gattinger's Panicgrass | |
| Packera glabella | Butterweed Cress-leaf Groundsel Yellowtop | |
| Parnassia grandifolia | Largeleaf Grass-of-parnassus Bigleaf Grass-of-parnassus Limeseep Parnassia | |
| Parthenium hispidum | Wild Quinine American Feverfew | |
| Parthenium integrifolium | Wild Quinine American Fever-few | |
| Passiflora incarnata | Maypop Purple Passionflower Purple Passion Vine Apricot Vine | |
| Parthenium integrifolium var. integrifolium | Wild Quinine | |
| Paspalum laeve | Field Crown Grass Field Paspalum | |
| Passiflora lutea | Yellow Passionflower Yellow Passion Vine Yellow Passion-flower | |
| Panicum obtusum | Vine Mesquite | |
| Packera obovata | Golden Groundsel Roundleaf Groundsel Roundleaf Ragwort | |
| Parietaria pensylvanica | Pennsylvania Pellitory Pennsylvania Cucumber Plant | |
| Panicum philadelphicum | Philadelphia Panicgrass Philadelphia Panic Grass | |
| Packera plattensis | Prairie Groundsel Prairie Ragwort | |
| Paspalum praecox | Early Paspalum | |
| Paspalum pubiflorum | Hairyseed Paspalum | |
| Panax quinquefolius | American Ginseng Wild Ginseng | |
| Parthenocissus quinquefolia | Virginia Creeper | |
| Panicum rigidulum | Redtop Panicgrass Redtop Panic Grass | |
| Panicum rigidulum var. combsii | Combs' Panic Grass Combs' Panicgrass | |
| Panicum rigidulum var. elongatum | Redtop Panic Grass Redtop Panicgrass | |
| Panicum rigidulum var. rigidulum | Redtop Panic Grass Redtop Panicgrass | |
| Paspalum setaceum | Thin Paspalum | |
| Pascopyrum smithii | Western Wheatgrass | |
| Packera tomentosa | Woolly Ragwort | |
| Panicum verrucosum | Prairie Panicgrass Prairie Panic Grass | |
| Panicum virgatum | Switchgrass Wand Panic Grass | |
| Paronychia virginica | Whitlow-wort Broom Nailwort Yellow Nailwort Park's Nailwort | |
| Panicum virgatum var. virgatum | Switchgrass | |
| Penstemon alluviorum | Lowland Penstemon Lowland Beardtongue | |
| Perideridia americana | Eastern Yampah Wild Dill | |
| Penstemon arkansanus | Arkansas Penstemon Arkansas Beardtongue | |
| Pellaea atropurpurea | Purple Cliffbrake | |
| Persea borbonia | Redbay Red Bay Sweet Bay Silk Bay Red Bay Persea Laurel Tree | |
| Pedicularis canadensis | Canadian Lousewort Wood Betony | |
| Pedicularis canadensis ssp. canadensis | Canadian Lousewort | |
| Penstemon cobaea | Prairie Penstemon Prairie Beardtongue Foxglove Penstemon Foxglove Beardtongue False Foxglove Large-flowered Penstemon Large-flowered Beardtongue Cobaea Penstemon Cobaea Beardtongue Wild Foxglove | |
| Penstemon digitalis | Mississippi Penstemon Mississippi Beardtongue Smooth White Penstemon Smooth White Beardtongue Talus Slope Penstemon Talus Slope Beardtongue Foxglove Penstemon Foxglove Beardtongue | |
| Pediomelum digitatum | Palmleaf Indian Breadroot Palm-leaf Scurf-pea | |
| Pediomelum esculentum | Large Indian Breadroot Indian Breadroot | |
| Pellaea glabella | Smooth Cliffbrake | |
| Pellaea glabella ssp. glabella | Smooth Cliffbrake | |
| Pediomelum hypogaeum | Subterranean Indian Breadroot Edible Scurf-pea Prairie-potato Pomme Blanche | |
| Pediomelum hypogaeum var. subulatum | Subterranean Indian Breadroot | |
| Penstemon laxiflorus | Nodding Penstemon Nodding Beardtongue Loose-flowered Penstemon Loose-flowered Beardtongue | |
| Pedicularis lanceolata | Swamp Lousewort | |
| Penstemon murrayanus | Scarlet Penstemon Scarlet Beardtongue Red Penstemon Red Beardtongue Cupleaf Penstemon Cupleaf Beardtongue | |
| Pediomelum palmeri | Palmer's Breadroot | |
| Penstemon pallidus | Pale Penstemon Pale Beardtongue | |
| Pentodon pentandrus | Hale's Pentodon | |
| Pedicularis racemosa ssp. alba | Sickletop Lousewort Parrot's-beak | |
| Pediomelum rhombifolium | Gulf Indian Breadroot Brown-flowered Psoralea Round-leaf Scurf-pea | |
| Penthorum sedoides | Ditch Stonecrop | |
| Penstemon tenuis | Brazos Penstemon Brazos Beardtongue Gulf Penstemon Gulf Beardtongue Gulf Coast Penstemon Gulf Coast Beardtongue Sharp-sepal Penstemon Sharp-sepal Beardtongue | |
| Penstemon tubaeflorus | White Wand Penstemon White Wand Beardtongue | |
| Penstemon tubaeflorus var. tubaeflorus | Small-flowered Beardtongue Tube Penstemon White Wand Beardtongue White-wand Beard-tongue | |
| Peltandra virginica | Tuckahoe Green Arrow Arum Arrow Arum Green Arum | |
| Phytolacca americana | American Pokeweed Great Pokeweed Pokeweed Pokeberry Red Ink Plant Pigeonberry | |
| Phlox amplifolia | Largeleaf Phlox Large-leaved Phlox | |
| Phytolacca americana var. americana | American Pokeweed Pigeonberry Pokeberry | |
| Physalis angulata | Cutleaf Groundcherry | |
| Physostegia angustifolia | Narrowleaf False Dragonhead False Dragon-head | |
| Phalaris arundinacea | Reed Canary Grass | |
| Phacelia bipinnatifida | Fernleaf Phacelia Fernleaf Scorpion Weed Spotted Phacelia Loose-flowered Phacelia | |
| scientific name | common name(s) | image gallery |
