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

Brown University - Algae
Catalog #: ABRU00004794
F. S. Collins s.n. 23 April 1912
Geminella scalariformis f. marina G.S.West, 1917
Bermuda, entrance to Hungry Bay, Bermuda

University of Michigan
Catalog #: 728185
F.S. Collins #s.n. 23 April 1912
Geminella scalariformis f. marina G.S.West, 1917
Bermuda, Hungry Bay

Michigan State University Algae
Catalog #: MSC0182773
F.S. Collins #s.n. 23 April 1912
Geminella scalariformis f. marina G.S.West, 1917
Bermuda, Hungry Bay

Miami University - Algae
Catalog #: 000210036
F.S. Collins #s.n.
Geminella scalariformis f. marina G.S.West, 1917
Bermuda, Hungry Bay

Yale University Herbarium
Catalog #: YU.095261
Frank Shipley Collins s.n. 23 April 1912
Geminella marina G.Hamel
Bermuda, entrance to Hungry Bay, Bermuda