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

Brown University - Algae
Catalog #: ABRU00004375
F. S. Collins s.n. 07 September 1909
Microspora quadrata Hazen
United States, Massachusetts, Cedar Pond, Orleans, MA

University of Michigan
Catalog #: 730122
F.S. Collins #s.n. 07 September 1909
Microspora quadrata Hazen
United States, Massachusetts, Barnstable, Cedar Pond, Orleans

University of Michigan
Catalog #: 730124
F.S. Collins #s.n. 07 September 1909
Microspora quadrata Hazen
United States, Massachusetts, Barnstable, Cedar Pond, Orleans

Michigan State University Algae
Catalog #: MSC0183517
F.S. Collins #s.n. 07 September 1909
Microspora quadrata Hazen
United States, Massachusetts, Plymouth, Cedar Pond, Orleans

Miami University - Algae
Catalog #: 000189098
F.S. Collins #s.n.
Microspora quadrata Hazen
United States, Massachusetts, Plymouth, Cedar Pond, Orleans

Yale University Herbarium
Catalog #: YU.094682
Frank Shipley Collins s.n. 07 September 1909
Microspora quadrata Hazen
United States, Massachusetts, Orleans; Cedar Pond, Orleans, MA