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 |
| Carex sprengelii | Sprengel's Sedge | |
| Catalpa speciosa | Northern Catalpa Catalpa Tree Cigar Tree Indian Bean | |
| Calystegia spithamaea ssp. spithamaea | Low False Bindweed | |
| Carex squarrosa | Squarrose Sedge Narrowleaf Cattail Sedge | |
| Carex sterilis | Dioecious Sedge | |
| Carex striatula | Lined Sedge | |
| Calamagrostis stricta | Slimstem Reedgrass | |
| Carex stipata | Awlfruit Sedge Awl-fruited Sedge Stalk-grain Sedge | |
| Carex straminea | Eastern Straw Sedge | |
| Carex stricta | Upright Sedge Uptight Sedge Tussock Sedge | |
| Carex styloflexa | Bent Sedge | |
| Calamagrostis stricta ssp. inexpansa | Northern Reedgrass | |
| Carex stipata var. stipata | Awlfruit Sedge | |
| Carex swanii | Swan's Sedge | |
| Callitriche terrestris | Terrestrial Water-starwort | |
| Carex tenera | Quill Sedge | |
| Carex tetanica | Rigid Sedge | |
| Caulophyllum thalictroides | Blue Cohosh Squaw-root Papoose-root Caulophylle Faux-pigamon | |
| Carex tincta | Tinged Sedge | |
| Carex tonsa | Shaved Sedge | |
| Carex torta | Twisted Sedge | |
| Carya tomentosa | Mockernut Hickory Mockernut Hickory Big Bud Hickory Mockernut White Hickory Whiteheart Hickory Fragrant Hickory Bigbud Hickory Hardbark Hickory Hognut Bullnut | |
| Carex tonsa var. rugosperma | Parachute Sedge | |
| Carex tonsa var. tonsa | Shaved Sedge | |
| Carex trisperma | Threeseeded Sedge | |
| Carex tribuloides | Blunt Broom Sedge | |
| Carex trichocarpa | Hairyfruit Sedge Hairy-fruited Sedge Hairy-fruited Lake Sedge | |
| Carex tribuloides var. tribuloides | Blunt Broom Sedge | |
| Carex trisperma var. trisperma | Threeseeded Sedge | |
| Carex tuckermanii | Tuckerman's Sedge | |
| Calopogon tuberosus | Tuberous Grasspink Grass Pink | |
| Calopogon tuberosus var. tuberosus | Tuberous Grasspink Grass Pink Swamp Pink | |
| Carex typhina | Cattail Sedge | |
| Carex umbellata | Parasol Sedge | |
| Carex utriculata | Northwest Territory Sedge | |
| Carex vesicaria | Blister Sedge Laurent's Sedge | |
| Carex vestita | Velvet Sedge | |
| Carex virescens | Ribbed Sedge | |
| Carex viridula | Little Green Sedge | |
| Carex viridula ssp. oedocarpa | Little Green Sedge | |
| Carex viridula ssp. viridula | Little Green Sedge | |
| Carex vulpinoidea | Fox Sedge Brown Fox Sedge | |
| Carex vulpinoidea var. vulpinoidea | Fox Sedge | |
| Carex willdenowii | Willdenow's Sedge | |
| Carex woodii | Pretty Sedge | |
| Ceanothus americanus | New Jersey Tea Redroot | |
| Cerastium arvense | Field Chickweed | |
| Cerastium arvense ssp. strictum | Field Chickweed | |
| Cercis canadensis | Eastern Redbud Redbud | |
| Cercis canadensis var. canadensis | Eastern Redbud | |
| Ceratophyllum demersum | Coon's Tail | |
| Ceratophyllum echinatum | Spineless Hornwort | |
| Cenchrus longispinus | Burgrass Innocent-Weed Longspine Sandbur Mat Sandbur | |
| Cerastium nutans | Nodding Chickweed | |
| Cerastium nutans var. nutans | Nodding Chickweed | |
| Celtis occidentalis | Common Hackberry Northern Hackberry American Hackberry Nettle Tree Beaverwood False Elm | |
| Cephalanthus occidentalis | Common Buttonbush Buttonbush Button Willow Honey Bells Honeybells Honey Balls Honeyballs Button-bush | |
| Celtis pumila | Dwarf Hackberry | |
| Celastrus scandens | American Bittersweet | |
| Celtis tenuifolia | Dwarf Hackberry Small Hackberry Small Sugar Hackberry Georgia Hackberry Upland Hackberry | |
| Cenchrus tribuloides | Sand Dune Sandbur Sand Dune Sandspur | |
| Chenopodium album | Lambsquarters | |
| Chenopodium album var. striatum | Lateflowering Goosefoot | |
| Chrysosplenium americanum | American Golden Saxifrage | |
| Chamerion angustifolium | Fireweed Willow Herb Great Willow Herb | |
| Chamerion angustifolium ssp. circumvagum | Fireweed | |
| Chenopodium berlandieri | Pitseed Goosefoot Lambs Quarters | |
| Chenopodium berlandieri var. bushianum | Bush's Goosefoot | |
| Chenopodium berlandieri var. macrocalycium | Pitseed Goosefoot Seabeach Pigweed Large Calyx Goosefoot | |
| Chamaedaphne calyculata | Leatherleaf Cassandra | |
| Chenopodium capitatum | Blite Goosefoot | |
| Chamaecrista fasciculata | Partridge Pea Sleepingplant Sensitive Plant | |
| Chamaecrista fasciculata var. fasciculata | Partridge Pea Showy Partridge-pea Beeflower | |
| Chelone glabra | White Turtlehead | |
| Cheilanthes lanosa | Hairy Lipfern | |
| Chamaelirium luteum | Fairywand Blazing Star | |
| Chelone lyonii | Pink Turtlehead | |
| Chamaesyce maculata | Spotted Spurge Spotted Euphorbia Spotted Sandmat Milk Purslane Prostrate Spurge | |
| Chimaphila maculata | Striped Prince's Pine Spotted Wintergreen Pipsissewa Spotted Pipsissewa Ratsbane Rheumatism Root Striped Wintergreen | |
| Chamaecrista nictitans | Sensitive Partridge Pea Partridge-pea Sensitive Pea | |
| Chamaecrista nictitans ssp. nictitans | Sensitive Partridge Pea Partridge Pea | |
| Chamaecrista nictitans var. nictitans | Sensitive Partridge Pea | |
| Chamaesyce nutans | Nodding Spurge Eyebane | |
| Chamaesyce polygonifolia | Seaside Sandmat | |
| Chenopodium pratericola | Desert Goosefoot | |
| Chenopodium rubrum | Red Goosefoot | |
| Chenopodium simplex | Mapleleaf Goosefoot | |
| Chenopodium standleyanum | Standley's Goosefoot | |
| Chamaecyparis thyoides | Atlantic White Cedar | |
| Chimaphila umbellata | Pipsissewa | |
| Chimaphila umbellata ssp. cisatlantica | Pipsissewa Common Wintergreen Prince's-pine | |
| Chloris verticillata | Tumble Windmill Grass Windmillgrass | |
| Chamaesyce vermiculata | Wormseed Sandmat Hairy Spurge Worm-seed Sand-mat | |
| Circaea alpina | Small Enchanter's Nightshade | |
| Cirsium altissimum | Tall Thistle | |
| Circaea alpina ssp. alpina | Small Enchanter's Nightshade | |
| Cinna arundinacea | Sweet Woodreed Common Woodreed | |
| Cicuta bulbifera | Bulblet-bearing Water Hemlock | |
| Cirsium discolor | Field Thistle | |
| Cirsium horridulum | Bristle Thistle Yellow Thistle Horrid Thistle Purple Thistle Spiny Thistle Bull Thistle | |
| scientific name | common name(s) | image gallery |
