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

Brown University
Catalog #: ABRU00003767
F. S. Collins s.n. 26 April 1903
Microspora crassior (Hansgirg) Hazen
United States, Massachusetts, Medford, MA

University of Michigan
Catalog #: 730104
F.S. Collins #s.n. 26 April 1903
Microspora crassior (Hansgirg) Hazen
United States, Massachusetts, Middlesex, Medford

University of Michigan
Catalog #: 730105
F.S. Collins #s.n. 26 April 1903
Microspora crassior (Hansgirg) Hazen
United States, Massachusetts, Middlesex, Medford

Michigan State University
Catalog #: MSC0183509
F.S. Collins #s.n. 26 April 1903
Microspora crassior (Hansgirg) Hazen
United States, Massachusetts, Middlesex, Medford

Miami University
Catalog #: 000188050
F.S. Collins #s.n. 26 April 1903
Microspora crassior (Hansgirg) Hazen
United States, Massachusetts, Middlesex, Medford

Yale University Herbarium
Catalog #: YU.092153
Frank Shipley Collins s.n. 26 April 1903
Microspora crassior (Hansgirg) Hazen
United States of America, Massachusetts, Middlesex, Medford; Medford, MA