Castilleia coccinea Spreng. PAINTED CUP. "Rather rare ... near the Whirlpool, Niagara River, Canadian side and elsewhere," Day (1882).  Ont.: "Queenston," Field Club, 1886. Ontario: "'... Niagara River (Maclagan)...'Macoun II. 364. 1884," (Heimburger, 1955). "Goat Island," Day (1901). Ontario, Niagara Park System, Cameron (1895).

Erie Co. City of Buffalo. Niagara River. no coll. June 14, 1881 (BUF).

Listed as rare in the Niagara Frontier Region by Zander and Pierce (1979). This species is on the Rare Plant Status List of the New York Natural Heritage Program (Young 1992).

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