J.I. Liro [1-900]
USDA United States National Fungus Collections
s.n.
Erysiphe horridula (Wallr.) Rabenh.
Finland
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USDA United States National Fungus Collections
Roivainen, H. s.n. 07 October 1951
Erysiphe horridula (Wallr.) Rabenh.
Finland, Nylandia Korso
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