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

Brown University - Algae
Catalog #: ABRU00003539
W. A. Setchell s.n. 10 June 1901
Calothrix pilosa Harvey ex Bornet & Flahault
United States, California, Monterey, near Point Carmel, CA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0012303
W. A. Setchell s.n. 10 May 1901
Calothrix pilosa Harvey ex Bornet & Flahault
United States, California, Monterey, Near Point Carmel, Monterey County, California

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00233741
c0b2a72f-4989-4130-9fb9-3bfd8e08cd7d
W. A. Setchell #s.n. 10 June 1901
Calothrix pilosa Harvey ex Bornet & Flahault
United States, California, Monterey, near Point Carmel

Michigan State University Algae
Catalog #: MSC0181531
W.A. Setchell #s.n. 10 July 1901
Calothrix pilosa Harvey ex Bornet & Flahault
United States, California, Monterey, near Point Carmel

Miami University - Algae
Catalog #: 000187495
W.A. Setchell #s.n. 10 July 1901
Calothrix pilosa Harvey ex Bornet & Flahault
United States, California, Monterey, near Point Carmel

Yale University Herbarium
Catalog #: YU.091942
William Albert Setchell s.n. 10 June 1901
Calothrix pilosa Harvey ex Bornet & Flahault
United States, California, Monterey, Carmel; near Point Carmel, CA