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 |
| Crataegus intricata | Copenhagen Hawthorn Thicket Hawthorn White Hawthorn White Thorn Scarlet Hawthorn Scarlet Haw Scarlet-fruited Hawthorn Scarlet-fruited Haw | |
| Croton michauxii | Michaux's Croton | |
| Croton michauxii var. ellipticus | Michaux's Croton | |
| Crataegus phaenopyrum | Washington Hawthorn Washington-thorn | |
| Crotalaria sagittalis | Arrowhead Rattlebox | |
| Crataegus uniflora | Dwarf Hawthorn One-flowered Hawthorn | |
| 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 | |
| Cunila origanoides | Common Dittany | |
| 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 | |
| Cyperus bipartitus | Slender Flatsedge Shining Cyperus | |
| Cyperus compressus | Poorland Flatsedge | |
| 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 flavescens | Pale Flatsedge Yellow Flat Sedge Yellow Flatsedge | |
| Cyperus hystricinus | Bristly Flatsedge | |
| Cynanchum laeve | Honeyvine | |
| Cyperus lancastriensis | Manyflower Flatsedge Porter's Sedge | |
| Cyperus lupulinus | Great Plains Flatsedge | |
| Cyperus lupulinus ssp. lupulinus | Great Plains Flat Sedge Great Plains Flatsedge Hop Sedge | |
| Cyperus odoratus | Fragrant Flatsedge Fragrant Sedge | |
| Cypripedium parviflorum | Yellow Lady's-slipper Orchid Lesser Yellow Lady's Slipper | |
| Cypripedium parviflorum var. pubescens | Greater Yellow Lady's Slipper Large Yellow Lady's Slipper | |
| Cyperus plukenetii | Plukenet's Flatsedge | |
| Cyperus polystachyos var. texensis | Bunchy Sedge Texan Flat Sedge Texan Flatsedge | |
| Cystopteris protrusa | Lowland Bladderfern | |
| Cyperus pseudovegetus | Marsh Flatsedge Marsh Flat Sedge | |
| Cyperus refractus | Reflexed Flat Sedge Reflexed Flatsedge Reflexed Umbrella-sedge | |
| Cyperus retrofractus | Rough Flatsedge | |
| Cyperus retrorsus | Pine Barren Flatsedge | |
| Cyperus retrorsus var. retrorsus | Pine Barren Flatsedge | |
| Cyperus squarrosus | Bearded Flatsedge | |
| Cyperus strigosus | Straw-colored Flatsedge | |
| Cystopteris tenuis | Upland Brittle Bladderfern | |
| Cynoglossum virginianum | Wild Comfrey | |
| Cynoglossum virginianum var. virginianum | Wild Comfrey Northern Wild Comfrey Southern Wild Comfrey Hound's-tongue | |
| Cyclachaena xanthiifolia | Carelessweed False Ragweed Giant Sumpweed Marsh Elder | |
| Danthonia compressa | Flattened Oatgrass | |
| Danthonia spicata | Poverty Oatgrass Poverty Wild Oat Grass Curly Grass | |
| scientific name | common name(s) | image gallery |
