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

Brown University - Algae
Catalog #: ABRU00004550
F. S. Collins s.n. 17 September 1911
Sorastrum spinulosum Nägeli
United States, Rhode Island, Meshanticut Brook, Cranston, RI

University of Michigan
Catalog #: 732065
F.S. Collins #s.n. 17 September 1911
Sorastrum spinulosum Nägeli
United States, Rhode Island, Meshanticut Brook, Cranston

University of Michigan
Catalog #: 732066
F.S. Collins #s.n. 17 September 1911
Sorastrum spinulosum Nägeli
United States, Rhode Island, Meshanticut Brook, Cranston

Michigan State University Algae
Catalog #: MSC0184717
F.S. Collins #s.n. 17 September 1911
Sorastrum spinulosum Nägeli
United States, Rhode Island, Providence, Meshanticut Brook, Cranston

Miami University - Algae
Catalog #: 000189153
F.S. Collins #s.n. 17 September 1911
Sorastrum spinulosum Nägeli
United States, Rhode Island, Providence, Meshanticut Brook, Cranston

Yale University Herbarium
Catalog #: YU.095021
Frank Shipley Collins s.n. 17 September 1911
Sorastrum spinulosum Nägeli
United States, Rhode Island, Cranston; Meshanticut Brook, Cranston, RI