| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Cyperaceae | Scirpus ancistrochaetus | Northeastern Bulrush | Mountain ponds. | VT, MA, and sc. NY south to PA, e. WV, and w. VA. |  |
| Cyperaceae | Scirpus atrocinctus | Blackish Bulrush, Black-girdled Woolsedge | Bogs, wet meadows. | NL (Newfoundland) and NL (Labrador) west to NT and BC, south to n. NJ, WV (Grant, Hampshire, Harrison, Pendleton, Pocahontas, Randolph, and Tucker counties), IL, IA, SD, WY, and WA. |  |
| Cyperaceae | Scirpus atrovirens | Black Bulrush | Marshes, bogs, wet meadows. | NL (Newfoundland) west to MN, south to GA and TX; disjunct in AZ. |  |
| Cyperaceae | Scirpus cyperinus | Woolly Bulrush, Woolgrass Bulrush | Marshes, ditches, beaver ponds, disturbed wet ground. | NL (Newfoundland) west to BC, south to c. peninsular FL, e. TX, and OR. |  |
| Cyperaceae | Scirpus divaricatus | Blackwater cypress-gum swamps. | Se. VA south to Panhandle FL, west to e. TX, s. TN, and s. MO. |  | |
| Cyperaceae | Scirpus expansus | Woodland Bulrush | Bogs, fens, marshes, streambeds. | ME west to MI, south to ne. GA and OH. |  |
| Cyperaceae | Scirpus flaccidifolius | Reclining Bulrush | Bottomlands. | Endemic to se. VA and ne. NC. |  |
| Cyperaceae | Scirpus georgianus | Georgia Bulrush | Marshes, wet areas, ditches. | ME west to e. MN, se. NE, south to GA and e. and nc. TX. |  |
| Cyperaceae | Scirpus hattorianus | Northern Bulrush | Seepages, ditches, marshes, wet meadows, mostly at moderate to high elevations. | NL (Newfoundland) to w. ON and WI, south to MD, NC, OH, and IN. |  |
| Cyperaceae | Scirpus lineatus | Drooping Bulrush | Swamp forests over limestone. | Se. VA south to c. peninsular FL, west to LA. Reported for a single county (Tucker County) in WV (Harmon, Ford-Werntz, & Grafton 2006); this record here discounted. |  |
| Cyperaceae | Scirpus longii | Marshes. | NS south to s. NJ. Also reported as occurring in e. NC by Radford, Ahles, & Bell (1968) and Fernald (1950); this report is in error. |  | |
| Cyperaceae | Scirpus microcarpus | Small-fruited Bulrush | Marshes. | NL (Newfoundland) and NL (Labrador) west to AK, south to n. NJ, e. WV (Monongalia, Pocahontas, Randolph, and Tucker counties), KY, IL, IA, NE, NM, AZ, CA, and Mexico (BCN, DGO, OAX, SIN). |  |
| Cyperaceae | Scirpus pallidus | Cloaked Bulrush | Marshes. | ON west to BC, south to WI, MO, TX, NM, AZ, OR. Possibly disjunct (and if so, probably introduced) in se. PA (reported by Rhoads & Klein [1993] but not by Rhoads & Block [2007]) and NJ (Kartesz [1999, 2010], with no definite county location). |  |
| Cyperaceae | Scirpus pedicellatus | Marshes. | NL (Newfoundland), ON and MN south to n. NJ, OH, c. KY, and MO. |  | |
| Cyperaceae | Scirpus pendulus | Rufous Bulrush, Nodding Bulrush | Fens, wet meadows and seeps over limestone, diabase, or other circumneutral rocks. | ME west to MN, SD, and CO, south to NC, ne. FL, NM, and n. Mexico. |  |
| Cyperaceae | Scirpus polyphyllus | Marshes, floodplain forests, mountain bogs, seeps, fens. | MA and VT west to IL and s. MO, south to nc. GA (Jones & Coile 1988) and AL. |  |
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