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

Brown University - Algae
Catalog #: ABRU00003259
F. S. Collins s.n. 28 May 1899
Microspora loefgrenii var. minor
United States, Massachusetts, Middlesex Fells, MA

University Herbarium, University of California, Berkeley
Catalog #: UC111719
F. S. Collins #s.n. 28 May 1899
Microspora loefgrenii (Nordstedt) Lagerheim
United States, Massachusetts, Middlesex, Middlesex Fells

Field Museum of Natural History
Catalog #: C0500333F
F.S. Collins #s.n. 28 May 1899
Microspora loefgrenii f. minor (Nordstedt) Lagerheim
United States, Massachusetts, Middlesex, Middlesex Fells

University of Michigan
Catalog #: 730119
F.S. Collins #s.n. 28 May 1899
Microspora loefgrenii (Nordstedt) Lagerheim
United States, Massachusetts, Middlesex, Middlesex Fells

University of Michigan
Catalog #: 730120
F.S. Collins #s.n. 28 May 1899
Microspora loefgrenii (Nordstedt) Lagerheim
United States, Massachusetts, Middlesex, Middlesex Fells

Michigan State University Algae
Catalog #: MSC0183514
F.S. Collins #s.n. 28 May 1899
Microspora loefgrenii f. minor (Nordstedt) Lagerheim
United States, Massachusetts, Middlesex, Middlesex Fells

Miami University - Algae
Catalog #: 000187160
F.S. Collins #s.n. 28 May 1899
Microspora loefgrenii var. minor
United States, Massachusetts, Middlesex, Middlesex Fells

Yale University Herbarium
Catalog #: YU.091700
Frank Shipley Collins s.n. 28 May 1899
Microspora loefgrenii (Nordstedt) Lagerheim
United States, Massachusetts, Middlesex, Medford; Middlesex Fells, MA