Name requested: Erysiphe cynoglossiMycologia 85 (2): 205. Mycotaxon 15: 136. 16 (2): 427. 18 (1): 126. 44 (1): 251, 252, 254, 255, 256.
Homotypic synonym: Alphitomorpha cynoglossiMycotaxon 15: 136.
Heterotypic synonym: Erysiphe horridulaAnnales Mycologici 36 (5-6): 442. Mycologia 47 (5): 696, 699. Mycology and Phytopathology [as Микология и Фитопатология] 1 (5): 388. 1 (6): 485. Mycotaxon 8 (2): 388. 15: 136. 44 (1): 252. Sydowia 10 (1-6): 104. 27 (1-6): 4. 34: 232.
Heterotypic synonym: Erysiphe asperifoliorumSydowia 22 (5-6): 406. 29 (1-6): 76. 32: 20, 21. 34: 232.