University of Wisconsin-Madison, Wisconsin State Herbarium (WIS)
v0412573WIS
e57cbc18-0ac2-4e65-96aa-a391285d2a8f
Wolffia columbiana H.Karst.
Araceae
Smith, Welby R.
9883
1984-08-12
Aug 12, 1984
United States, Minnesota, Wabasha, Upper Mississippi River National Wildlife Refuge, about 1 mi NE of Weaver; backwater of Mississippi River (Weaver Bottoms); 44.219722 -91.9175