NPSpecies

Data Source: Bartgis, 1993;Killip, 1953; TNC, 1999; Wiegand, 1999; Wiegand, 2001;

Data Source: Helen Hamilton

Data Source: Helen Hamilton

Park Species Detail: Wiegand, 2001: Plant species documented in the survey area (from Sandy Hook, Maryland to District of Columbia line) during this survey. Bartgis, 1993: State Endangered plant, found in Potomac Fall-Line. Wiegand, 1999: Plant species documented in the survey area (from Great Falls, Maryland, downriver to the District of Columbia) during this survey. Currently listed in Maryland as endangered or endangered/extirpated., Park Species Data Source: Bartgis, 1993;Killip, 1953;TNC, 1999;Wiegand, 1999;Wiegand, 2001;