Petrak, Crypt. Exs.F. Petrak [3201- 4700]
USDA United States National Fungus Collections
s.n.
Erysiphe galeopsidis DC.
Germany
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USDA United States National Fungus Collections
Norrman C. M. s.n. 20 August 1960
Erysiphe galeopsidis DC.
Sweden, Uppsala, Repslagaregatan
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