Lemna minor L.

PLANTAE EXSICCATAE GRAYANAE
925. Lemna minor L.
Sp. PI. 970 (l758) ; Gray, Man. 450 (l848) ; Chapm.
FI. So. U.S. 442 (i860); Macoun, Cat. Canad. PI. pt. iv,
75 (1888); Britton & Brown, 111. FI. i. 366, fig. 888 (l896>;
Thompson in Ann. Rep. Mo. Bot. Gard. ix. 80, t. 2 B
(1897); Small, FI. Se. U.S. 280 (l90S); Rydb. FI. Rocky
Mts. 144 (1918) and FI. Pr. & PI. 196 (l932); Jepson,
Man. Calif. 194 (l923); Victorin, FI. Laurent. 848, fig.
822 (1985).
Some plants in flower or fruit.
Abundant on quiet water, Sudbury River, Concord,
Middlesex County, Massachusetts.
Coll.E.C.Ogden, I.L.Wiggins (no.
04270630