University of Wisconsin-Stevens Point, Robert W. Freckmann Herbarium (UWSP)
UWSP073012
c3f8f259-f804-4fd1-be0a-19ac4e720323
Heteranthera dubia (Jacq.) MacMill.
Pontederiaceae
Mooney, Laurie J.
s.n.
1978-09-23
United States, Wisconsin, Marathon, Wadley Lake, directly on CTH Y
44.69101892 -89.41599892
T26N R09E sec33
A moderately hard water seepage lake. Ph. 8.1, MPA 110, Maximum depth of collection - 10 ft. Visibility; 3-4 ft., water temp. 63 degrees. Bottom type 10% muck, 70% sand and gravel with much suspended silt and thick mats of submerged Chara- about 2 or 3 feet thick. Emergent or floating leaf communtiy sparce. Submergent- moderate.