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

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0013602
Collins, Frank Shipley #P.B.-A. 2152 15 August 1913
Gloeocapsa atrata Kützing
Bermuda, St. George's Parish, On inland cliff near Hillcrest, Bermuda

Brown University - Algae
Catalog #: ABRU00004956
F. S. Collins s.n. 15 August 1913
Gloeocapsa atrata Kützing
Bermuda, near Hillcrest, Bermuda

Michigan State University Algae
Catalog #: MSC0182776
F.S. Collins #s.n. 15 August 1913
Gloeocapsa atrata Kützing
Bermuda, Hillcrest, Bermuda

Miami University - Algae
Catalog #: 000210186
F.S. Collins #s.n. 15 August 1913
Gloeocapsa atrata Kützing
Bermuda, Hillcrest, Bermuda

Yale University Herbarium
Catalog #: YU.095422
Frank Shipley Collins s.n. 15 August 1913
Gloeocapsa atrata Kützing
Bermuda, near Hillcrest, Bermuda