Name requested: Podosphaera clandestina var. aucupariaeMycotaxon 19: 369, 372. Transactions of the Mycological Society of Japan 27 (1): 18, 23, 25, 27.
Heterotypic synonym: Podosphaera aucupariaeMycotaxon 19: 372. Transactions of the Mycological Society of Japan 25 (2): 201, 202. 27 (1): 25.