NPSpecies

Data Source: BioBlitz, 1997-Chain Bridge Flats;TNC, 1999; Wiegand, 2001b;

Data Source: Helen Hamilton

Data Source: Helen Hamilton

Park Species Detail: Wiegand, 2001b: A previously reported occurrence for Culver's-root (Veronicastrum virginicum), listed as a highly rare plant species in D.C., was successfully updated during 1999-2000 field surveys. Two small groups totaling 7 plants were seen up river from Chain Bridge. This is relatively level and open overwash-savanna habitat, elevated 2 to 5 meters above mean river level. The area floods frequently, probably every several years during high seasonal flows in winter and spring, and after up river storm events. The area is severely scoured by occasional ice flows. Suitable habitat for culver's-root is abundant in the vicinity, so this occurrence could be more extensive than reported here.Status surveys for this species are highly recommended to fully determine its current status at Chain Bridge Flats Survey Site. Found at 2 sites. A Highly Rare 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.)Hamilton, 2007: See Leptandra virginica, a synonym., Park Species Data Source: BioBlitz, 1997-Chain Bridge Flats;TNC, 1999;Wiegand, 2001b;