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

Intermountain Herbarium (Vasc. & Algae)
Catalog #: UTC00063864
E. C. Ogden #2165 24 July 1940
Potamogeton confervoides Rchb.
United States, Maine, Knox, Newbert Pond, Appleton

University of Tennessee Vascular Herbarium
Catalog #: TENN-V-0013229
E.C. Ogden #2165 24 July 1940
Potamogeton confervoides Rchb.
United States, Maine, Knox, Newbert Pond, Appleton, Knox County, Maine

University of Michigan Herbarium
Catalog #: 1173330
dcb6b4a4-c016-4c0a-b147-881b79718c34
E.C. Ogden, W.K. Babel #2165 24 July 1940
Potamogeton confervoides Rchb.
United States, Maine, Knox, Appleton, Newbert Pond