Wolffia columbiana H.Karst.

FLORA OF CALIFORNIA
5570 WOLFFIA COLUMBIANA Karst.
TRINITY CO., about 3 air mi, S of Burnt
Ranch at Hidden Lake, W cent. Sec, 35,
T5N, R6E, elev, 3,300 ft., mixed
conifer-hardwood forest, E side of
Underwood Mtn.
Small still lake about one acre in
size.
With Lemna, Spirodela
Coll: Richard Spellenherg
Date: July 8, 1980
Distribution: NY
03700881