Erysiphe cruchetiana
S. Blumer
KW [Darwin] 51516. Place of collection: Russia; Chelyabinsk Oblast; Mīass’kiĭ district, Īl’mens’kiĭ reserve (N55°08' E60°14'). Date of collection: 15 August 1943. Associated organism: Lathyrus sp. (leaf). Collector: Oksner, A.M.. Identifier: Heluta, V.P..