Synonymy:
Alphitomorpha depressa Wallr., Verh. Ges. nat. Freunde Berlin 1(1): 34 (1819)
Erysiphe depressa (Wallr.) Link, in Willdenow, Sp. pl., Edn 4 6(1): 110 (1824)
Erysiphe communis f. depressa (Wallr.) Fr., Systema Mycologicum 3(1): 240 (1829)

Erysiphe depressa var. bardanae (Wallr.) Sacc., Syll. Fung. (Abellini) 1: 17 (1882)
Erysiphe cichoracearum f. bardanae (Wallr.) Jacz., Karm. Opred. Grib., Vip. 2. Muchn.-rosj. griby (Leningrad): 202 (1926)

Erysiphe depressa var. artemiciae Link, in Willdenow, Sp. pl., Edn 4 6(1): 110 (1824)

Position in classification:
Golovinomyces, Erysiphaceae, Helotiales, Leotiomycetidae, Leotiomycetes, Ascomycota, Fungi

Note:
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