Synonymy:
Calocladia hedwigii Lév., Annls Sci. Nat., Bot., sér. 3 15: 155 (1851)
Microsphaera hedwigii (Lév.) Cooke, Microscopic fungi: 219 (1865)
Podosphaera hedwigii (Lév.) Quél., Champs Jura Vosges 3: 106 (1875)

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

Note:
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