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 |
| Comptonia peregrina | Sweet-fern Sweetfern | |
| Coreopsis pubescens | Star Tickseed Hairy Tickseed | |
| Coreopsis pubescens var. robusta | Star Tickseed | |
| Cornus racemosa | Gray Dogwood | |
| Coreopsis rosea | Pink Tickseed Rose Coreopsis Pink Coreopsis | |
| Cornus rugosa | Roundleaf Dogwood | |
| Cornus sericea | Red Osier Dogwood Red Osier Red-twig Dogwood | |
| Corydalis sempervirens | Rock Harlequin | |
| Cornus sericea ssp. sericea | Redosier Dogwood Red Osier Dogwood | |
| Coreopsis tinctoria | Plains Coreopsis Golden Tickseed Goldenwave Calliopsis | |
| Coreopsis tinctoria var. tinctoria | Golden Tickseed Golden-wave | |
| Corallorhiza trifida | Yellow Coralroot Early Coralroot | |
| Coptis trifolia | Threeleaf Goldthread Three-leaf Goldthread Canker Root | |
| Coreopsis tripteris | Tall Tickseed Tall Coreopsis | |
| Comandra umbellata | Bastard Toadflax | |
| Comandra umbellata ssp. umbellata | Bastard Toadflax | |
| Coreopsis verticillata | Threadleaf Coreopsis Whorled Tickseed Whorled Coreopsis | |
| Cryptantha ambigua | Basin Cryptantha Basin Cat's-eye Wickes Cryptantha Wilke's Cryptantha Wilkes Cryptantha | |
| Crataegus ×anomala | Arnold Hawthorn | |
| Crassula aquatica | Water Pygmyweed | |
| Crataegus brainerdii | Brainerd's Hawthorn | |
| Croton capitatus | Hogwort Texas Goatweed | |
| Cryptotaenia canadensis | Canadian Honewort Wild Chervil | |
| Croton capitatus var. capitatus | Hogwort Woolly Croton | |
| Crataegus chrysocarpa | Fireberry Hawthorn | |
| Crataegus chrysocarpa var. chrysocarpa | Fireberry Hawthorn Red Haw Red-fruited Hawthorn Scarlet Hawthorn | |
| Crataegus coccinioides | Kansas Hawthorn | |
| Crataegus compta | Adorned Hawthorn | |
| Crataegus crus-galli | Cockspur Hawthorn Cockspur Thorn Newcastle Hawthorn Newcastle Thorn Hog Apple | |
| Crataegus dilatata | Broadleaf Hawthorn | |
| Crataegus dissona | Northern Hawthorn | |
| Crataegus dodgei | Dodge's Hawthorn Dodge Hawthorn | |
| Crataegus flabellata | Fanleaf Hawthorn | |
| Crataegus forbesiae | Forbes's Hawthorn | |
| Crataegus fulleriana | Fuller's Hawthorn | |
| Crataegus holmesiana | Holmes' Hawthorn | |
| Crataegus ideae | Concord Hawthorn Ide's Hawthorn | |
| Crataegus intricata | Copenhagen Hawthorn Thicket Hawthorn White Hawthorn White Thorn Scarlet Hawthorn Scarlet Haw Scarlet-fruited Hawthorn Scarlet-fruited Haw | |
| Cryptantha intermedia | Clearwater Cryptantha | |
| Crataegus iracunda | Passionate Hawthorn Stolonbearing Hawthorn | |
| Crataegus lemingtonensis | Lemington Hawthorn | |
| Crataegus lumaria | Roundleaf Hawthorn | |
| Crataegus macrosperma | Bigfruit Hawthorn Large-seeded Hawthorn | |
| Crataegus mollis | Downy Hawthorn White Thorn Whitethorn Scarlet Hawthorn Scarlet Haw Red Haw Downy Thorn | |
| Crataegus pedicellata | Scarlet Hawthorn | |
| Crataegus phaenopyrum | Washington Hawthorn Washington-thorn | |
| Crataegus ×pilosa | Hawthorn | |
| Crataegus pringlei | Pringle's Hawthorn | |
| Crataegus pruinosa | Waxyfruit Hawthorn | |
| Crataegus punctata | Dotted Hawthorn White Thorn Dotted Haw | |
| Crotalaria sagittalis | Arrowhead Rattlebox | |
| Crassula saginoides | River-leek Water Pygmy Weed Wrinkleseed Pygmyweed | |
| Crataegus schuettei | Royal Hawthorn Schuette's Hawthorn | |
| Crataegus scabrida | Rough Hawthorn | |
| Crataegus spatiosa | New London Hawthorn | |
| Cryptogramma stelleri | Fragile Rockbrake | |
| Crataegus submollis | Quebec Hawthorn | |
| Crataegus succulenta | Fleshy Hawthorn | |
| Croton texensis | Texas Croton Doveweed Texas Goatweed | |
| Croton texensis var. texensis | Skunkweed Texas Croton | |
| Cuscuta cephalanthi | Buttonbush Dodder Button-bush Dodder | |
| Cuscuta compacta | Compact Dodder | |
| Cuscuta coryli | Hazel Dodder | |
| Cuscuta compacta var. compacta | Compact Dodder | |
| Cuscuta gronovii | Scaldweed Dodder | |
| Cuscuta gronovii var. gronovii | Scaldweed Love Dodder | |
| Cucurbita pepo | Field Pumpkin | |
| Cuscuta pentagona | Fiveangled Dodder | |
| Cuscuta pentagona var. pentagona | Fiveangled Dodder | |
| Cuscuta polygonorum | Smartweed Dodder Knotweed Dodder | |
| Cuphea viscosissima | Blue Waxweed Clammy Cuphea Tarweed | |
| Cypripedium acaule | Moccasin Flower Pink Lady's Slipper | |
| Cypripedium arietinum | Ram's Head Lady's Slipper | |
| Cycloloma atriplicifolium | Winged Pigweed | |
| Cyperus bipartitus | Slender Flatsedge Shining Cyperus | |
| Cystopteris bulbifera | Bulblet Bladder Fern | |
| Cyperus dentatus | Toothed Flatsedge | |
| Cyperus diandrus | Umbrella Flatsedge | |
| Cyperus echinatus | Globe Flatsedge | |
| Cyperus erythrorhizos | Redroot Flatsedge | |
| Cyperus esculentus | Yellow Nutsedge Chufa Sedge Yellow Nut-grass | |
| Cyperus filicinus | Fern Flat Sedge Fern Flatsedge | |
| Cyperus flavescens | Pale Flatsedge Yellow Flat Sedge Yellow Flatsedge | |
| Cystopteris fragilis | Brittle Bladderfern Brittle Bladder Fern Fragile Fern | |
| Cyperus grayi | Eastern Gray's Flat Sedge Gray's Flatsedge Gray’s Sedge | |
| Cyperus houghtonii | Houghton's Flat Sedge Houghton's Flatsedge Houghton's Nutsedge Houghton's Umbrella-sedge | |
| Cystopteris laurentiana | St. Lawrence Bladderfern | |
| Cyperus lupulinus | Great Plains Flatsedge | |
| Cyperus lupulinus ssp. lupulinus | Great Plains Flat Sedge Great Plains Flatsedge Hop Sedge | |
| Cyperus lupulinus ssp. macilentus | Great Plains Flatsedge Sand Cyperus | |
| Cyperus odoratus | Fragrant Flatsedge Fragrant Sedge | |
| Cypripedium parviflorum | Yellow Lady's-slipper Orchid Lesser Yellow Lady's Slipper | |
| Cypripedium parviflorum var. makasin | Greater Yellow Lady's Slipper | |
| Cypripedium parviflorum var. pubescens | Greater Yellow Lady's Slipper Large Yellow Lady's Slipper | |
| Cypripedium parviflorum var. parviflorum | Lesser Yellow Lady's Slipper | |
| Cyperus polystachyos | Manyspike Flatsedge Bunchy Sedge | |
| Cyperus polystachyos var. texensis | Bunchy Sedge Texan Flat Sedge Texan Flatsedge | |
| Cystopteris protrusa | Lowland Bladderfern | |
| Cyperus pseudovegetus | Marsh Flatsedge Marsh Flat Sedge | |
| Cypripedium reginae | Showy Lady's Slipper | |
| scientific name | common name(s) | image gallery |
