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

Indiana University Herbarium, Deam Herbarium
Catalog #: IND-0009558
F. H. Steinmetz #364 12 August 1937
Potamogeton alpinus Balb.
United States, Maine, Penobscot, Mattagodus Stream, Tredwell School, Prentiss

Intermountain Herbarium (Vasc. & Algae)
Catalog #: UTC00063180
F.H. Steinmetz #364 12 August 1937
Potamogeton alpinus Balbis
United States, Maine, Penobscot, Mattagodus Stream, Tredwell School, Prentiss; 45.493858 -68.120627