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 engelmannii | Engelmann's Hawthorn | |
| Crataegus flabellata | Fanleaf Hawthorn | |
| Crataegus flava | Yellowleaf Hawthorn Yellow-leaf Hawthorn Summer Hawthorn | |
| Croton glandulosus | Tooth-leaved Croton Sand Croton Tropic Croton Vente Conmigo | |
| Croton glandulosus var. septentrionalis | Vente Conmigo | |
| Crataegus intricata | Copenhagen Hawthorn Thicket Hawthorn White Hawthorn White Thorn Scarlet Hawthorn Scarlet Haw Scarlet-fruited Hawthorn Scarlet-fruited Haw | |
| Crataegus iracunda | Passionate Hawthorn Stolonbearing Hawthorn | |
| Crataegus lucorum | Grove Hawthorn | |
| Crataegus macrosperma | Bigfruit Hawthorn Large-seeded Hawthorn | |
| Crataegus margarettiae | Margarett's Hawthorn | |
| Crataegus marshallii | Parsley Hawthorn Parsleyleaf Hawthorn | |
| Croton michauxii | Michaux's Croton | |
| Croton michauxii var. ellipticus | Michaux's Croton | |
| Croton michauxii var. michauxii | Michaux's Croton | |
| Crataegus mollis | Downy Hawthorn White Thorn Whitethorn Scarlet Hawthorn Scarlet Haw Red Haw Downy Thorn | |
| Croton monanthogynus | Prairie Tea One-seed Croton Doveweed Dove Weed Prairie Goatweed | |
| Crataegus pedicellata | Scarlet Hawthorn | |
| Crataegus phaenopyrum | Washington Hawthorn Washington-thorn | |
| Crataegus pruinosa | Waxyfruit Hawthorn | |
| Crataegus punctata | Dotted Hawthorn White Thorn Dotted Haw | |
| Crataegus putata | Scranton Hawthorn | |
| Crotalaria purshii | Pursh's Rattlebox | |
| Crotalaria rotundifolia | Rabbitbells | |
| Crotalaria sagittalis | Arrowhead Rattlebox | |
| Crataegus schuettei | Royal Hawthorn Schuette's Hawthorn | |
| Crataegus spathulata | Littlehip Hawthorn Pasture Hawthorn Smallfruit Hawthorn | |
| Crataegus succulenta | Fleshy Hawthorn | |
| Crataegus uniflora | Dwarf Hawthorn One-flowered Hawthorn | |
| Crataegus vailiae | Miss Vail's Hawthorn Vail’s Hawthorn | |
| Crataegus viridis | Green Hawthorn Southern Hawthorn | |
| Crataegus viridis var. viridis | Green Hawthorn | |
| Ctenium aromaticum | Toothache Grass | |
| 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 | |
| Cuscuta indecora | Bigseed Alfalfa Dodder Largeseed Dodder Pretty Dodder | |
| Cuscuta indecora var. indecora | Big Seed Alfalfa Dodder Bigseed Alfalfa Dodder Large-seeded Dodder | |
| Cunila origanoides | Common Dittany | |
| Cucurbita pepo | Field Pumpkin | |
| Cuscuta pentagona | Fiveangled Dodder | |
| Cuscuta pentagona var. pentagona | Fiveangled Dodder | |
| Cuscuta polygonorum | Smartweed Dodder Knotweed Dodder | |
| Cuscuta rostrata | Beaked Dodder | |
| Cuphea viscosissima | Blue Waxweed Clammy Cuphea Tarweed | |
| Cyperus acuminatus | Tapertip Flatsedge | |
| Cypripedium acaule | Moccasin Flower Pink Lady's Slipper | |
| Cycloloma atriplicifolium | Winged Pigweed | |
| Cyperus bipartitus | Slender Flatsedge Shining Cyperus | |
| Cystopteris bulbifera | Bulblet Bladder Fern | |
| Cypripedium candidum | White Lady's Slipper Small White Lady's Slipper | |
| Cyperus compressus | Poorland Flatsedge | |
| Cyperus croceus | Baldwin's 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 esculentus var. macrostachyus | Nut Grass Yellow Nutgrass Yellow Nutsedge | |
| Cyperus filicinus | Fern Flat Sedge Fern Flatsedge | |
| Cyperus flavescens | Pale Flatsedge Yellow Flat Sedge Yellow Flatsedge | |
| Cyperus flavicomus | Whiteedge Flatsedge | |
| Cystopteris fragilis | Brittle Bladderfern Brittle Bladder Fern Fragile Fern | |
| Cymophyllus fraserianus | Fraser's Cymophyllus | |
| Cyperus granitophilus | Granite Flatsedge | |
| Cyperus grayi | Eastern Gray's Flat Sedge Gray's Flatsedge Gray’s Sedge | |
| Cyperus haspan | Haspan Flatsedge | |
| Cyperus houghtonii | Houghton's Flat Sedge Houghton's Flatsedge Houghton's Nutsedge Houghton's Umbrella-sedge | |
| Cyperus hystricinus | Bristly Flatsedge | |
| Cypripedium kentuckiense | Southern Lady's-slipper Kentucky Lady's-slipper Ivory Lady's-slipper Purloined Slipper | |
| Cynanchum laeve | Honeyvine | |
| Cyperus lancastriensis | Manyflower Flatsedge Porter's Sedge | |
| Cyclospermum leptophyllum | Marsh Parsley Fir-leaved Celery | |
| 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. pubescens | Greater Yellow Lady's Slipper Large Yellow Lady's Slipper | |
| Cypripedium parviflorum var. parviflorum | Lesser Yellow Lady's Slipper | |
| Cyperus plukenetii | Plukenet's Flatsedge | |
| 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 | |
| Cyrilla racemiflora | Titi Swamp Titi Black Titi White Titi Red Titi Leatherwood Swamp Cyrilla American Cyrilla Burnwood Bark Palo Colorado | |
| Cyperus refractus | Reflexed Flat Sedge Reflexed Flatsedge Reflexed Umbrella-sedge | |
| Cyperus retrofractus | Rough Flatsedge | |
| Cyperus retrorsus | Pine Barren Flatsedge | |
| Cypripedium reginae | Showy Lady's Slipper | |
| Cyperus retrorsus var. retrorsus | Pine Barren Flatsedge | |
| Cyperus squarrosus | Bearded Flatsedge | |
| Cyperus strigosus | Straw-colored Flatsedge | |
| Cystopteris tennesseensis | Tennessee Bladderfern | |
| 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 | |
| scientific name | common name(s) | image gallery |
