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

Intermountain Herbarium (Vasc. & Algae)
Catalog #: UTC00057699
E.C. Ogden #1730 03 October 1937
Lemna minor L.
United States, Massachusetts, Middlesex, Concord, Sudbury River

University of Wisconsin-Madison, Wisconsin State Herbarium
Catalog #: v0399837WIS
f37a9ff4-ff8e-4925-9dd0-302468595b93
Ogden, E.C.; Wiggins, I.L. #1730 03 October 1937
Lemna minor L.
United States, Massachusetts, Middlesex, Sudbury River, Concord

University of Wisconsin-Madison, Wisconsin State Herbarium
Catalog #: v0399838WIS
090651c1-aaf0-45fc-9100-537c9d5bb732
Ogden, E.C.; Wiggins, I.L. #1730 03 October 1937
Lemna perpusilla Torr.
United States, Massachusetts, Middlesex, Sudbury River, Concord