Vallisneria americana Michx. var. americana

Valli sneri a americana Michaux
var. ameri cana
det. Lovden, R. M., 1982.
Aquatic Botany 13:269-298.
PLANTS OF IOWA
Herbarium of Iowa State College
yallisneria spiralis L.
Clay Co., Lake Twp., Sec. 22.
Growing in 2-3 feet of water in
the northernmost bay of Trum-
bull Lake, near its inlet. There
were more than 50 colonies both
staminate and pistillate.
Aug., 19, 1940.
Collected by Ada Hayden	N09 678
03732512