Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Brown University - Algae
Catalog #: ABRU00004581
F. S. Collins s.n. 13 August 1911
Penium minutum (Ralfs) Cleve
United States, Massachusetts, Lost Pond, Brookline, MA

University of Michigan
Catalog #: 736416
F.S. Collins #s.n. 13 August 1911
Penium minutum (Ralfs) Cleve
United States, Massachusetts, Norfolk, Lost Pond, Brookline

University of Michigan
Catalog #: 736417
F.S. Collins #s.n. 13 August 1911
Penium minutum (Ralfs) Cleve
United States, Massachusetts, Norfolk, Lost Pond, Brookline

Michigan State University Algae
Catalog #: MSC0182993
F.S. Collins #s.n. 13 August 1911
Haplotaenium minutum (Ralfs) Bando
United States, Massachusetts, Norfolk, Lost Pond, Brookline

Miami University - Algae
Catalog #: 000189233
F.S. Collins #s.n.
Haplotaenium minutum (Ralfs) Bando
United States, Massachusetts, Norfolk, Lost Pond, Brookline

Yale University Herbarium
Catalog #: YU.095052
Frank Shipley Collins s.n. 13 August 1911
Penium minutum (Ralfs) Cleve
United States, Massachusetts, Lost Pond, Brookline, MA