Farlow, Anderson & Eaton, Algae Exs. Amer. Bor.Farlow, W.G.; Anderson, C.L.; Eaton, D.C. [1 - 230]
Yale University Herbarium
s.n.
Ptilota gunneri P.C.Silva, Maggs & L.M.Irvine
United States, Oregon, [No precise loc]
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Rutgers University, Chrysler Herbarium - Macroalgae Collection
Unknown #32
Ptilota filicina J.Agardh
United States, Oregon
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University of Michigan
unknown #s.n.
Ptilota gunneri P.C.Silva, Maggs & L.M.Irvine
United States, Oregon, [No precise loc]
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San Diego Natural History Museum - Algae
unknown #s.n.
Ptilota filicina J.Agardh
United States, Oregon, [no precise loc]
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