*Butomus umbellatus L. FLOWERING RUSH. New York: Goat Island on the Niagara River. Abundant in wet thickets w. Lythrum salicaria on Three Sisters. Wet dolomite of Terrapin Point, spray zone Horseshoe Falls and seepage. P.M. Eckel 8612710 July 8, l986 (BUF); In wet thickets with Lythrum salicaria in margins of First Sister Island and shallow mucky areas

in flowing water. Rather abundant here. P.M. Eckel 8612716 July 8, l986 (BUF).

Listed as rare in the Niagara Frontier Region by Zander and Pierce (1979). "This handsome European plant, introduced into America in the St. Lawrence valley only about 50 years ago, was first noticed on the Lake Erie Islands on June 21, 1939. It occurs near the water level on gravelly or muddy shores and by means of its abundant seeds and numerous small basal bulblets, broken off by wave action, has rapidly spread throughout the island group," Core (1948); see Core, 1941; Denman, 1987; Gaiser, 1949..

New York: Grand Island, Niagara River. Swampy area along West River", just south of Buckhorn" Island, Charles A. Zenkert, July 8, 1961 (BUF); Base of Devil's Hole, water's edge with Helenium autumnale, Lobelia siphilitica, Eckel, September 13, 2002 (BUF).

Ontario: Navy Island, NW river margin, single station, Eckel, July 2, 1998 (BUF).

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