NPSpecies

Data Source: Bartgis, 1993;Lea, 2000; TNC, 1999; Wiegand, 2001b;

Data Source: Helen Hamilton

see comments; Data Source: Lea, 2000

Park Species Detail: Lea, 2000: Carex tenera Dewey (Slender Sedge)Rare. Floodplain forest, Fletcher's floodplain. This represents the first confirmed record from the Potomac Gorge for this regionally rare species, although collections of other species have been attributed to it, including one from Great Falls reported by Shreve et al. (1910). See also enhies for C, festucacea and C straminea. This is the only known extant occurrence in the District of Columbia, and it is presently considered historical for Maryland (Maryland Natural Heritage Program, 1994) and highly rare in Virginia (Killeffer, 1999). Late May. 1697 (US, Tawes). Bartgis, 1993: State Endangered extirpated plant, in Potomac Fall-Line. Wiegand, 2001b: Found in Fletchers Floodplain Survey Site. Found at 1 site. A Possibly Extirpated (SH) plant species known to occur within the District of Columbia portion of LOCO (along the C&O Canal NHP and Potomac River from the Maryland line to Key Bridge, Washington, D.C. Also listed in Maryland., Park Species Data Source: Bartgis, 1993;Lea, 2000;TNC, 1999;Wiegand, 2001b;