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

Brown University - Algae
Catalog #: ABRU00004048
F. S. Collins s.n.
Chlorococcum endozoicum Collins, 1909
United States, Maine, Cumberland, Harpswell; Harpswell, ME

University of Michigan
Catalog #: 683790
F.S. Collins #s.n.
Chlorococcum endozoicum Collins, 1909
United States, Maine, Cumberland, Harpswell

University of Michigan
Catalog #: 683791
F.S. Collins #s.n.
Chlorococcum endozoicum Collins, 1909
United States, Maine, Cumberland, Harpswell

Michigan State University Algae
Catalog #: MSC0181790
F.S. Collins #s.n. 00 July 1906
Chlorococcum endozoicum Collins, 1909
United States, Maine, Cumberland, Harpswell

Miami University - Algae
Catalog #: 000188325
F.S. Collins #s.n. 00 July 1906
Chlorococcum endozoicum Collins, 1909
United States, Maine, Cumberland, Harpswell

Yale University Herbarium
Catalog #: YU.094356
Frank Shipley Collins s.n.
Chlorococcum endozoicum Collins, 1909
United States, Maine, Cumberland, Harpswell; Harpswell, ME