University of Wisconsin-Madison, Wisconsin State Herbarium (WIS)
v0261478WIS
b304a96e-ff44-4407-a37e-cf2d19f0d97a
Heteranthera dubia (Jacq.) MacMill.
Pontederiaceae
Smith, S. Galen
4389
1968-06-30
1968-06-30
United States, Wisconsin, Walworth, Whitewater. City of Whitewater, in Tripp Lake (a mill pond dating from the 1840's) on Whitewater Creek [T.4N, R15E nw 1/4 Sect 9 & 10 - original in error]
42.82064612 -88.72790546 +-1138m.
T04N R15E sec09 NE4; T04N R15E sec10 NW4
Latitude/Longitude was derived from the Township, Range, Section location. This causes an imprecision.
With Myriophyllum sibiricum, M. heterophyllum, Ceratophyllum demersum, Ranunculus aquatilis, Elodea nuttallii, Potamogeton nodosus. Submerged aquatic. Abundant.