Anonymous, Pl. Exs. Grayan.
Anonymous [1 - 1500 or more]

Intermountain Herbarium (Vasc. & Algae)
Catalog #: UTC00026186
F.J. Hermann #639 24 August 1935
Wolffia borealis (Engelm.) Landolt & Wildi ex Gandhi, Wiersema & Brouillet
United States, Michigan, Washtenaw, Huron River, 2 miles east of Ann Arbor

University of Wisconsin-Madison, Wisconsin State Herbarium
Catalog #: v0399805WIS
400ec358-5e15-4fd1-ac42-59250b9772ca
Hermann, F.J. #639 24 August 1935
Wolffia borealis (Engelm. ex Hegelm.) Landolt
United States, Michigan, Washtenaw, Huron River, 2 miles east of Ann Arbor

University of Wisconsin-Madison, Wisconsin State Herbarium
Catalog #: v0399842WIS
db9a5e63-db56-4d6a-9762-36d950efbc10
Hermann, F.J. #639 24 August 1935
Lemna turionifera Landolt
United States, Michigan, Washtenaw, Huron River, 2 miles east of Ann Arbor