| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Poaceae | Calamovilfa arcuata | Cumberland Sandreed | Riverside scours, usually in areas of sandstone cobble. | Ouachita Mountains of w. AR and e. OK; Cumberland Plateau of TN (Cumberland, Morgan, Scott, and White cos.), KY (McCreary County), AL (Blount and Dekalb cos.), and GA (Walker County) (Zomlefer et al. 2018). |  |
| Poaceae | Calamovilfa brevipilis | Pinebarren Sandreed | Pine savanna-pocosin ecotones, longleaf pine sandhill seepage bogs, streamhead seeps, pocosins, boggy powerline rights-of-way. | A "bimodal endemic", with two areas of distribution: Pine Barrens of NJ and the Coastal Plain (very rarely lower Piedmont) of e. NC, n. SC, and s. VA. |  |
| Poaceae | Calamovilfa curtissii | Curtiss’s Sandreed | Moist pinelands and edges of natural ponds. | FL Panhandle and e. peninsular FL. | |
| Poaceae | Calamovilfa gigantea | Giant Sandreed | Sand dunes, prairies, sandy shores. | NE and UT south through KS and OK to TX, NM, and AZ. | |
| Poaceae | Calamovilfa longifolia var. longifolia | Prairie Sand-reed | Sandy bottomlands. | MI, WI, MB, NT, and BC south to s. IL, MO, KS, NM, ID, and WA. | |
| Poaceae | Calamovilfa longifolia var. magna | Great Lakes Sandreed | Beaches. | Naturalized from the more western Great Lakes. |  |
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