Collins, Holden & Setchell, Phycoth. Bor.-Amer.Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]
Brown University - Algae
F. Johansen s.n.
Enteromorpha torta (Mertens) Reinbold
Canada, Northwest Territories, Stapylton Bay, Northwest Territories, Canada
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Yale University Herbarium
Frits Johansen s.n. 10 June 1916
Enteromorpha torta (Mertens) Reinbold
Canada, Northwest Territories, Stapylton Bay
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University Herbarium, University of California, Berkeley
Frits Johansen #2283 00 May 1915
Ulva Linnaeus, 1753
Canada, Stapylton Bay, North West Territory.
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University Herbarium, University of California, Berkeley
Frits Johansen #2283 00 May 1915
Ulva Linnaeus, 1753
Canada, Stapylton Bay, North West Territory.
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University of Michigan
Frits Johansen #s.n. 10 June 1916
Ulva prolifera O.F.Müller
Canada, Northwest Territories, Stapylton Bay
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University of Michigan
Frits Johansen #s.n. 10 June 1916
Ulva prolifera O.F.Müller
Canada, Northwest Territories, Stapylton Bay
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Michigan State University Algae
Frits Johansen #s.n. 00 May 1915
Ulva torta (Mertens) Trevisan
Canada, Northwest Territories, Stapylton Bay
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Miami University - Algae
Frits Johansen #s.n. 00 May 1915
Ulva torta (Mertens) Trevisan
Canada, Northwest Territories, Stapylton Bay
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