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

Brown University - Algae
Catalog #: ABRU00003356
F. S. Collins s.n.
Chroococcus cohaerens (Brébisson) Nägeli
United States, Maine, Hancock, Eagle Island, Penobscot Bay, ME

Michigan State University Algae
Catalog #: MSC0181854
F.S. Collins #s.n. 00 July 1892
Chroococcus cohaerens (Brébisson) Nägeli
United States, Maine, Cumberland, Eagle Island, Penobscot Bay

Miami University - Algae
Catalog #: 000187304
F.S. Collins #s.n. 00 July 1892
Chroococcus cohaerens (Brébisson) Nägeli
United States, Maine, Cumberland, Eagle Island, Penobscot Bay

Yale University Herbarium
Catalog #: YU.091784
Frank Shipley Collins s.n. 00 July 1892
Chroococcus cohaerens (Brébisson) Nägeli
United States, Maine, Hancock, Eagle Island, Penobscot Bay, ME