NPSpecies

Data Source: Cranberry Meadows, 1997;Leeson, n.d.;Maxon, 1935;TNC, 1999; Terrell, 1970;Wiegand, 2001b;

Data Source: Helen Hamilton

Data Source: Helen Hamilton

Park Species Detail: Terrell, 1970: Scarce to infrequent; moist places in areas 3 (3 (Lock 10 to Carderock, north parking lot), ), and 8 [Swain’s Lock to Pennyfield Lock (north end)]. Cranberry Meadows, 1997: Common, Chain Bridge Flats above Arizona Bridge; common, Chain Bridge Flats below Chain Bridge; common, Chain Bridge Flats above Chain Bridge. Wiegand, 2001b: Found at 0 sites. A watch list (and otherwise uncommon) 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.), Park Species Data Source: Cranberry Meadows, 1997;Leeson, n.d.;Maxon, 1935;TNC, 1999;Terrell, 1970;Wiegand, 2001b;