J.T.C. Vestergren [1-1800, plus extras]
USDA United States National Fungus Collections
s.n.
Protomyces macrosporus Unger
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USDA United States National Fungus Collections
Magnus P. s.n. 12 August 1904
Protomyces macrosporus Unger
Switzerland, Graubuenden
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University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
P. Magnus s.n. 12 August 1904
Protomyces macrosporus Unger
Switzerland, Helvetia: Graubunden, Furstenalp
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