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 |
| Claytonia virginica var. virginica | Virginia Springbeauty | |
| Clinopodium vulgare | Wild Basil | |
| Cornus alternifolia | Alternateleaf Dogwood Alternate-leaf Dogwood Pagoda Dogwood | |
| Conopholis americana | American Cancer-root Squawroot | |
| Cornus amomum | Silky Dogwood Red Willow Silky Cornel | |
| Corylus americana | American Hazelnut American Filbert | |
| Corispermum americanum | American Bugseed | |
| Corispermum americanum var. americanum | American Bugseed | |
| Corydalis aurea | Scrambled Eggs Golden Corydalis | |
| Cornus canadensis | Bunchberry Dogwood Canadian Bunchberry | |
| Collinsonia canadensis | Richweed Stoneroot Citronella Horsebalm | |
| Conyza canadensis | Horseweed Canadian Horseweed | |
| Conyza canadensis var. canadensis | Canadian Horseweed | |
| Conyza canadensis var. pusilla | Canadian Horseweed | |
| Conioselinum chinense | Chinese Hemlockparsley | |
| Conoclinium coelestinum | Blue Mistflower Wild Ageratum Blue Boneset | |
| Corylus cornuta | Beaked Hazelnut Beaked Filbert | |
| Corema conradii | Broom Crowberry | |
| Corylus cornuta var. cornuta | Beaked Hazel Beaked Hazelnut | |
| Cornus drummondii | Roughleaf Dogwood Drummond's Dogwood Rough-leaf Dogwood | |
| Commelina erecta | Dayflower Widow's Tears White-mouth Dayflower Whitemouth Dayflower | |
| Commelina erecta var. erecta | Whitemouth Dayflower Day Flower Widow's Tears | |
| Cornus florida | Flowering Dogwood Virginia Dogwood Florida Dogwood White Cornel Arrowwood American Boxwood False Box St. Peter's Crown Corona De San Pedro | |
| Corydalis flavula | Yellow Fumewort Yellow Harlequin | |
| Collomia linearis | Tiny Trumpet Narrow-leaf Mountain-trumpet Collomia | |
| Corallorhiza maculata | Summer Coralroot Spotted Coralroot Speckled Coral Root Large Coral Root Many-flowered Coral Root | |
| Corallorhiza maculata var. maculata | Summer Coralroot | |
| Corallorhiza maculata var. occidentalis | Summer Coralroot | |
| Cornus obliqua | Silky Dogwood Pale Dogwood Swamp Dogwood Kinnikinnik | |
| 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 | |
| Corallorhiza odontorhiza var. pringlei | Autumn Coral Root Autumn Coralroot | |
| Comarum palustre | Purple Cinquefoil Purple Marshlocks Marsh Cinquefoil | |
| Comptonia peregrina | Sweet-fern Sweetfern | |
| 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 | |
| Cornus ×slavinii | Dogwood Slavin's Dogwood | |
| Corallorhiza striata | Hooded Coralroot Striped Coralroot Bigelow's Coral Root Macrae's Coral Root Madder Stripes | |
| Corallorhiza striata var. striata | Hooded Coralroot | |
| Corallorhiza trifida | Yellow Coralroot Early Coralroot | |
| Coptis trifolia | Threeleaf Goldthread Three-leaf Goldthread Canker Root | |
| Comandra umbellata | Bastard Toadflax | |
| Comandra umbellata ssp. umbellata | Bastard Toadflax | |
| Collinsia verna | Spring Blue Eyed Mary Spring Blue-eyed Mary | |
| Crataegus ×anomala | Arnold Hawthorn | |
| Crassula aquatica | Water Pygmyweed | |
| Crataegus arcana | Carolina Hawthorn | |
| Crataegus berberifolia | Barberry Hawthorn | |
| Crataegus beata | Dunbar's Hawthorn | |
| Crataegus ×brevipes | Hawthorn | |
| Crataegus brainerdii | Brainerd's Hawthorn | |
| Crataegus calpodendron | Pear Hawthorn Late Hawthorn Pear Haw Pear Thorn | |
| Cryptotaenia canadensis | Canadian Honewort Wild Chervil | |
| Crataegus chrysocarpa | Fireberry Hawthorn | |
| Crataegus chrysocarpa var. chrysocarpa | Fireberry Hawthorn Red Haw Red-fruited Hawthorn Scarlet Hawthorn | |
| Crataegus coccinioides | Kansas Hawthorn | |
| Crataegus compacta | Clustered Hawthorn Thames Hawthorn | |
| Crataegus compta | Adorned Hawthorn | |
| Crataegus crus-galli | Cockspur Hawthorn Cockspur Thorn Newcastle Hawthorn Newcastle Thorn Hog Apple | |
| Crataegus desueta | New York Hawthorn | |
| Crataegus dilatata | Broadleaf Hawthorn | |
| Crataegus dissona | Northern Hawthorn | |
| Crataegus disperma | Spreading Hawthorn | |
| Crataegus dispessa | Mink Hawthorn | |
| Crataegus dodgei | Dodge's Hawthorn Dodge Hawthorn | |
| Crataegus engelmannii | Engelmann's Hawthorn | |
| Crataegus flabellata | Fanleaf Hawthorn | |
| Crataegus fulleriana | Fuller's Hawthorn | |
| Crataegus grandis | Grand Hawthorn | |
| Crataegus holmesiana | Holmes' Hawthorn | |
| Crataegus ×hudsonica | Hawthorn | |
| 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 irrasa | Blanchard's Hawthorn | |
| Crataegus jesupii | Jesup Hawthorn Jesup's Hawthorn | |
| Crataegus jonesiae | Miss Jones' Hawthorn | |
| Crataegus knieskerniana | Knieskern's Hawthorn | |
| Crataegus ×laneyi | Hawthorn | |
| Crataegus lucorum | Grove Hawthorn | |
| Crataegus lumaria | Roundleaf Hawthorn | |
| Crataegus ×maligna | Hawthorn | |
| Crataegus macrosperma | Bigfruit Hawthorn Large-seeded Hawthorn | |
| Crataegus margarettiae | Margarett's Hawthorn | |
| Crataegus menandiana | Menand's Hawthorn | |
| Crataegus mollis | Downy Hawthorn White Thorn Whitethorn Scarlet Hawthorn Scarlet Haw Red Haw Downy Thorn | |
| Crataegus opulens | Rochester Hawthorn | |
| Crataegus pedicellata | Scarlet Hawthorn | |
| Crataegus ×peckietta | Hawthorn | |
| Crataegus pennsylvanica | Pennsylvania Hawthorn Pennsylvania Thorn | |
| Crataegus persimilis | Plumleaf Hawthorn | |
| Crataegus perjucunda | Pearthorn | |
| Crataegus pringlei | Pringle's Hawthorn | |
| Crataegus pruinosa | Waxyfruit Hawthorn | |
| Crataegus prona | Illinois Hawthorn | |
| Crataegus punctata | Dotted Hawthorn White Thorn Dotted Haw | |
| Crataegus ×puberis | Hawthorn | |
| scientific name | common name(s) | image gallery |
