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-0004984
Collins, Frank Shipley #P.B.-A. 2162 00 April 1912
Chaetomorpha gracilis Kuetzing
Bermuda, Paget Parish, Hungry Bay, Bermuda

Brown University - Algae
Catalog #: ABRU00004966
F. S. Collins s.n.
Chaetomorpha gracilis Kützing
Bermuda, Hungry Bay, Bermuda

Field Museum of Natural History
Catalog #: C0528698F
F.S. Collins #s.n. 00 April 1912
Chaetomorpha tortuosa (Dillwyn) Kleen
Bermuda, Hungry Bay

University of Michigan
Catalog #: 683208
F.S. Collins #s.n. 00 April 1912
Chaetomorpha gracilis Kützing
Bermuda, Hungry Bay

Michigan State University Algae
Catalog #: MSC0181671
F.S. Collins #s.n. 00 April 1912
Chaetomorpha gracilis Kützing
Bermuda, Hungry Bay

Miami University - Algae
Catalog #: 000210196
F.S. Collins #s.n. 00 April 1912
Chaetomorpha gracillis
Bermuda, Hungry Bay

Yale University Herbarium
Catalog #: YU.095432
Frank Shipley Collins s.n.
Chaetomorpha gracilis Kützing
Bermuda, Hungry Bay, Bermuda