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

Brown University - Algae
Catalog #: ABRU00004765
C. Bullard s.n. 27 October 1912
Micrasterias americana Ehrenberg ex Ralfs
United States, Massachusetts, Medford Hillside Station, MA

Yale University Herbarium
Catalog #: YU.095232
Charles Bullard s.n. 27 October 1912
Micrasterias americana Ehrenberg ex Ralfs
United States, Massachusetts, Medford Hillside Station, MA

University of Michigan
Catalog #: 736323
Charles Bullard #s.n. 27 October 1912
Micrasterias americana Ehrenberg ex Ralfs
United States, Massachusetts, Middlesex, Medford Hillside Station

University of Michigan
Catalog #: 736325
Charles Bullard #s.n. 27 October 1912
Micrasterias americana Ehrenberg ex Ralfs
United States, Massachusetts, Middlesex, Medford Hillside Station

Michigan State University Algae
Catalog #: MSC0183454
Charles Bullard #s.n. 27 October 1912
Micrasterias americana Ehrenberg ex Ralfs
United States, Massachusetts, Middlesex, Medford Hillside Station

Miami University - Algae
Catalog #: 000196612
Charles Bullard #s.n.
Micrasterias americana Ehrenberg ex Ralfs
United States, Massachusetts, Middlesex, Medford Hillside Station