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

Brown University - Algae
Catalog #: ABRU00004353
E. M. Sturtevant s.n. 06 October 1909
Oscillatoria brevis Kützing ex Gomont
United States, Massachusetts, Mill Brook, Middlesex Fells, MA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0012497
E. M. Sturtevant #1603 06 October 1909
Phormidium schroeteri (Hansgirg ex Hansgirg) Anagnostidis
United States, Massachusetts, Middlesex, Mill Brook; Mill Brook, Middlesex Fells, MA; 42.44949 -71.105965

Michigan State University Algae
Catalog #: MSC0183996
E.M. Sturtevant #s.n. 06 October 1909
Phormidium breve (Kützing ex Gomont) Anagnostidis & Komárek
United States, Massachusetts, Middlesex, Mill Brook, Middlesex Fells

Miami University - Algae
Catalog #: 000189078
E.M. Sturtevant #s.n. 06 October 1909
Phormidium breve (Kützing ex Gomont) Anagnostidis & Komárek
United States, Massachusetts, Middlesex, Mill Brook, Middlesex Fells

Yale University Herbarium
Catalog #: YU.094660
Miss E. M. Sturtevant s.n. 06 October 1909
Oscillatoria brevis Kützing ex Gomont
United States, Massachusetts, Mill Brook, Middlesex Fells, MA

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0021594
Sturtevant, E. M. #s.n. 06 October 1909
Oscillatoria brevis Kützing ex Gomont
United States, Massachusetts, Middlesex, Mill Brook, Middlesex Fells