NPSpecies

Data Source: Bilton, 1991 Killip, 1953; Terrell, 1970

Data Source: Helen Hamilton Legacy NPSpecies information may no longer be applicable, please remove if it is not applicable. In legacy NPSpecies Cultivation value was Not cultivated with comment: Data Source: Helen Hamilton

see comments; Data Source: Helen Hamilton

Park Species Detail: Killip, 1953: First discovered on the mainland by Hotchkiss April 25, 1940; in April, 1949, the species covered many square yards toward the east end of the Island. Terrell, 1970: Frequent to comm areas 1(Beginning of Canal in Georgetown to Chain Bridge, D. C.), 2 (Chain Bridge to Lock 10 parking area opposite Plummer's Island), 7 (Great Falls to Swain’s Lock), 8 [Swain’s Lock to Pennyfield Lock (north end)], 9 (Pennyfield Lock to Seneca). Fl. April. Bilton, 1991: peak flowering., Park Species Data Source: Bilton, 1991-Ferry Hill;Killip, 1953;Terrell, 1970;