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

Brown University - Algae
Catalog #: ABRU00003730
F. S. Collins s.n. 11 April 1903
Pogotrichum filiforme Reinke
United States, Rhode Island, Newport, RI

University of Michigan
Catalog #: 638114
F.S. Collins #s.n. 11 April 1903
Pogotrichum filiforme Reinke
United States, Rhode Island, Newport, Newport

University of Michigan
Catalog #: 638115
F.S. Collins #s.n. 11 April 1903
Pogotrichum filiforme Reinke
United States, Rhode Island, Newport, Newport

Field Museum of Natural History
Catalog #: C0517959F
F.S. Collins #s.n. 11 April 1903
Pogotrichum filiforme Reinke
United States, Rhode Island, Newport, Newport

Michigan State University Algae
Catalog #: MSC0184120
F.S. Collins #s.n. 11 April 1903
Pogotrichum filiforme Reinke
United States, Rhode Island, Newport, Newport

Miami University - Algae
Catalog #: 000188013
F.S. Collins #s.n. 11 April 1903
Pogotrichum filforme
United States, Rhode Island, Newport, Newport

Yale University Herbarium
Catalog #: YU.092118
Frank Shipley Collins s.n. 11 April 1903
Pogotrichum filiforme Reinke
United States, Rhode Island, Newport, Newport; Newport, RI