Collins, Holden & Setchell, Phycoth. Bor.-Amer.Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]
Brown University - Algae
F. S. Collins s.n. 13 May 1907
Spirogyra gracilis Kützing
United States, Massachusetts, above Cascade, Melrose, MA
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University of Michigan
F.S. Collins #s.n. 13 May 1907
Spirogyra gracilis Kützing
United States, Massachusetts, Middlesex, Cascade, Melrose
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University of Michigan
F.S. Collins #s.n. 13 May 1907
Spirogyra gracilis Kützing
United States, Massachusetts, Middlesex, Cascade, Melrose
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Michigan State University Algae
F.S. Collins #s.n. 13 May 1907
Spirogyra gracilis Kützing
United States, Massachusetts, Middlesex, Stream above Cascade, Melrose
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Miami University - Algae
F.S. Collins #s.n.
Spirogyra gracilis Kützing
United States, Massachusetts, Middlesex, Stream above Cascade, Melrose
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Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00147787
949ea4d5-99ca-4d0c-85f3-12a1b004224a
F.S. Collins #s.n. 13 May 1907
Spirogyra gracilis K
United States, Massachusetts, Middlesex, Cascade, Melrose
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Yale University Herbarium
Frank Shipley Collins s.n. 13 May 1907
Spirogyra gracilis Kützing
United States, Massachusetts, Melrose; above Cascade, Melrose, MA
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