Spirogyra dubia

IN THE
CRYPTOQAMïC HERBAPRJM
CHICAGO NA» URAL HüSTOkV MUSEUM
1220712
MAY 1947
field Museum of Natural History
Algae Donated to NY in 2015
& tu. ÀiùJ&lJL 5~02 %
In the Herbarium of the University of California and
|n the Cryptogamie Herbarium, Chicago Natural History Museum
5028b. Spiro gjrra	¡<Zt.
Alaska t forming thick scum on surface of
flowing stream, Glacier valley, Unilaska
island.
w a q + ». n	7 August 1899
W. A. Setchell
03047619