J. Eriksson [1-500]
USDA United States National Fungus Collections
s.n.
Erysiphe communis (Wallr.) Schltdl.
Sweden
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USDA United States National Fungus Collections
Eriksson Jakob s.n. 12 August 1881
Erysiphe communis (Wallr.) Schltdl.
Sweden, Experimentalfaeltet
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