NPSpecies

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

Data Source: Helen Hamilton

Data Source: Helen Hamilton

Park Species Detail: BioBlitz, 1997-Chain Bridge Flats: Arizona RR Bridge to Fletchers Boat House, Martha Stauss, Botanist. Forested Floodplain. Wiegand, 2001b: A previously reported occurrence for Purple meadowrue (Thalictrum dasycarpum), listed as a highly rare plant species in D.C., was not successfully updated during 1999-2000 field surveys. It was last reported from Chain Bridge Flats by M. Stauss No specific survey effort to relocate this species at Chain Bridge Flats was made during 1999-2000. However, suitable habitat remains intact in the area so the species likely still occurs here.Status surveys for purple meadowrue are highly recommended to fully determine its current status at Chain Bridge Flats. Found at 0 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.) Also a listed species in Maryland., Park Species Data Source: BioBlitz, 1997-Chain Bridge Flats;TNC, 1999; Wiegand, 2001b;