Synonymy:
Uncinula flexuosa Peck, Trans. Albany Inst. 7: 215 (1872)
Uncinuliella flexuosa (Peck) U. Braun, Nova Hedwigia 34(3 & 4): 712 (1981)

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

Note:
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