Current Name:Pseudoidium hortensiae (Jørst. ex S. Blumer) U. Braun & R.T.A. Cook, Taxonomic Manual of the Erysiphales (Powdery Mildews): 606 (2012)
Synonymy:Oidium hortensiae Jørst. ex S. Blumer, Z. PflKrankh. PflSchutz 38: 78 (1928)
Position in classification:Erysiphaceae, Helotiales, Leotiomycetidae, Leotiomycetes, Ascomycota, Fungi
Synonymy Contributor(s): Kew Mycology (2019)