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 |
| Conoclinium betonicifolium var. integrifolium | Betonyleaf Thoroughwort | |
| Conyza canadensis | Horseweed Canadian Horseweed | |
| Conyza canadensis var. canadensis | Canadian Horseweed | |
| Conyza canadensis var. glabrata | Canadian Horseweed Horseweed | |
| Conyza canadensis var. pusilla | Canadian Horseweed | |
| Conoclinium coelestinum | Blue Mistflower Wild Ageratum Blue Boneset | |
| Commelina dianthifolia | Birdbill Dayflower Bird-bill Dayflower | |
| Commelina dianthifolia var. dianthifolia | Birdbill Dayflower | |
| Cooperia drummondii | Evening Rain Lily Evening Star Rain Lily | |
| Commelina erecta | Dayflower Widow's Tears White-mouth Dayflower Whitemouth Dayflower | |
| Commelina erecta var. angustifolia | Whitemouth Dayflower Narrow-leaf Dayflower Widow's Tears | |
| Commelina erecta var. deamiana | Whitemouth Dayflower Erect Dayflower Narrowleaved Dayflower Widow's Tears | |
| Commelina erecta var. erecta | Whitemouth Dayflower Day Flower Widow's Tears | |
| Conoclinium greggii | Gregg's Mistflower Palmleaf Thoroughwort Palm-leaf Mistflower Palm-leaf Thoroughwort Purple Palmleaf Mistflower Purple Palmleaf Eupatorium | |
| Coreopsis grandiflora var. grandiflora | Largeflower Tickseed | |
| Corchorus hirtus | Orinoco Jute Hairy Jute Red Jute | |
| Cooperia jonesii | Jones' Rainlily Jones' Rain Lily | |
| Coreopsis linifolia | Texas Tickseed | |
| Corallorhiza maculata | Summer Coralroot Spotted Coralroot Speckled Coral Root Large Coral Root Many-flowered Coral Root | |
| Corallorhiza odontorhiza | Autumn Coralroot Late Coralroot Fall Coral Root Late Southern Coral Root Small Coral Root Small-flowered Coral Root Chicken Toe Turkey Claw Dragon's Claw Fever Root Crawley Root Crawley | |
| Corallorhiza odontorhiza var. odontorhiza | Autumn Coral Root Autumn Coralroot Fall Coral-root Small-flowered Coral-root | |
| Cosmos parviflorus | Southwestern Cosmos Southwest Cosmos | |
| Cologania pallida | Pale Cologania | |
| Cordia podocephala | Texas Manjack White Cordia | |
| Coreopsis pubescens | Star Tickseed Hairy Tickseed | |
| Coreopsis pubescens var. pubescens | Star Tickseed Hairy Tickseed | |
| Conyza ramosissima | Dwarf Horseweed Dwarf Fleabane | |
| Cooperia smallii | Small's Rainlily Small's Rain Lily | |
| Coreopsis tinctoria | Plains Coreopsis Golden Tickseed Goldenwave Calliopsis | |
| Coreopsis tinctoria var. tinctoria | Golden Tickseed Golden-wave | |
| Coreopsis tripteris | Tall Tickseed Tall Coreopsis | |
| Cooperia traubii | Traub's Rainlily Traub's Rain Lily | |
| Commelina virginica | Virginia Dayflower | |
| Corispermum welshii | Welsh's Bugseed | |
| Cordylanthus wrightii | Wright's Bird's Beak | |
| Cordylanthus wrightii ssp. wrightii | Wright's Bird's Beak Wright's Bird's-beak | |
| Crassula aquatica | Water Pygmyweed | |
| Croton argyranthemus | Healing Croton | |
| Croton capitatus | Hogwort Texas Goatweed | |
| Cryptotaenia canadensis | Canadian Honewort Wild Chervil | |
| Croton capitatus var. capitatus | Hogwort Woolly Croton | |
| Croton capitatus var. lindheimeri | Woolly Croton Lindheimer's Hogwort Woolly Texas Goatweed Woolly Doveweed | |
| Cryptantha cinerea | James' Cryptantha James' Catseye James' Cat's-eye Bownut Cryptantha | |
| Cryptantha cinerea var. cinerea | James' Cryptantha James' Catseye James' Cat's-eye Bownut Cryptantha | |
| Cryptantha cinerea var. laxa | James' Cryptantha James' Catseye James' Cat's-eye Bownut Cryptantha | |
| Croton coryi | Cory's Croton | |
| Croptilon divaricatum | Slender Scratchdaisy Scratch Daisy Granite Daisy | |
| Croton dioicus | Grassland Croton Hierba del Gato Rosval | |
| Croton fruticulosus | Bush Croton Encinilla Hierba Loca | |
| Croton glandulosus | Tooth-leaved Croton Sand Croton Tropic Croton Vente Conmigo | |
| scientific name | common name(s) | image gallery |
