Anemonella thalictroides (L.) Spach. RUE ANEMONE. (As Thalictrum
anemonoides Michx.) "Rare. Near Queenston, Ont...," Day
(1882). "Near Brock's Monument, Ontario," Day (1888). ). (As T. anemonoides), "Lewiston,"
Field Club, 1889. Ontario, Niagara Park System, (as T. anemonoides),
Cameron (1895). Ontario: As Thalictrum anemmonoides
"Vicinity of Niagara Falls ... (Macoun)" Macoun (1883). (As T. anemonoides), N.Y.:
"Whirlpool and on road to Lewiston," Field Club, 1888. Queenston
Heights, Wm. Scott, Aug. 13, 1896 (DAO); Queenston Heights, W. C. McCalla, May
15, 1897 (TRT); Whirlpool, Niagara R., Wm. Scott, May 24, 1899 (TRT),
Heimburger (1955). "Ontario: gorge of River at Niagara Glen; Brock's
Monument, near Queenston," Zenkert (1934). "... not abundant, only a
few specimens have been observed near Brock's Monument at Queenston,"
Hamilton (1943).
New York:
Lewiston, Hauenstein, May 26, 1888 (BUF). Ontario: Niagara Glen, Hamersma, June
13, 1968 (NFO); Whirlpool Ravine, deep glacial-riverine sediments in dolomite
substrates. Shaded moist old woods, facing east, half-way to bottom of Niagara
River gorge. P. M. Eckel 909301 May 4, 1990 (BUF).
Rare in Canada: sOnt, Argus & White
(1977).