Braun, U. 1981: Taxonomic studies in the genus Erysiphe. I. Generic delimitation and position in the system of the Erysiphaceae. Nova Hedwigia 34(3-4): 679-719.
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| Braun, U. 1981: Taxonomic studies in the genus Erysiphe. I. Generic delimitation and position in the system of the Erysiphaceae. Nova Hedwigia 34(3-4): 679-719. |