Tetraedron minimum (A.Braun) Hansg.

IN THE
CRYPTOGAMIC HERBARIUM
FIELD MUSEUM OF NATURAL HISTORY
962957
Phycotheca Boreali-Americana.	Collins, Holden and Setchell.
2228. Titraedron minimum (A. Br.) Hansgirg.
Hansgirg, Hedwigia, Vol. XXVII, p. 131, 1888.
De Toni, Syll. Alg., Vol. I, p. 601, 1889.
Collins, Green Algae of N. A., p. 163, 1909.
Polyedrium minimum A. Braun, Alg. Unicell., p. 94, 1855.
Wolle, F. W. Algae of the U. S., p. 185, PI. CLIX, figs. 28-34,
1887.
On water weeds in Felt Lake, near Stanford University,
California, Nov.., 1915.
N. L. GARDNER.
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