Collins, Holden & Setchell, Phycoth. Bor.-Amer.Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]
Brown University - Algae
E. N. Transeau s.n. 20 May 1913
Spirogyra velata Nordstedt
United States, Illinois, Lerna, IL
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University Herbarium, University of California, Berkeley
E. N. Transeau #s.n. 20 May 1913
Spirogyra velata Nordstedt
United States, Illinois, Coles, Lerna, Illinois
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University of Michigan
E.N. Transeau #s.n. 20 May 1913
Spirogyra velata var. occidentalis Transeau
United States, Illinois, Coles, Lerna
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University of Michigan
E.N. Transeau #s.n. 20 May 1913
Spirogyra velata var. occidentalis Transeau
United States, Illinois, Coles, Lerna
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Michigan State University Algae
E.N. Transeau #s.n. 20 May 1913
Spirogyra occidentalis (Transeau) Czurda
United States, Illinois, Coles, Lerna
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Miami University - Algae
E.N. Transeau #s.n.
Spirogyra occidentalis (Transeau) Czurda
United States, Illinois, Coles, Lerna
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Yale University Herbarium
Edgar Nelson Transeau s.n. 20 May 1913
Spirogyra velata var. occidentalis Transeau
United States, Illinois, Lerna, IL
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