Cystotheca kusanoi comb. nov. A redescription with new morphological observations

Sung Eun Cho, Susumu Takamatsu, Sang Hyun Lee, Hyeon Dong Shin

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)


Conspecific Korean and Japanese powdery mildew specimens (including the type of Sphaerotheca kusanoi) on Quercus spp. previously identified as Cystotheca lanestris have been revealed as morphologically and phylogenetically distinct from North American C. lanestris specimens. The Asian specimens are confirmed as a separate species under the new combination Cystotheca kusanoi. Cystotheca kusanoi lacks distinct fibrosin bodies, even in fresh conidia and conidiophores. A key to Cystotheca spp. is provided.

Original languageEnglish
Pages (from-to)401-414
Number of pages14
Issue number3
Publication statusPublished - 2018 Jul 1


  • Cystotheceae
  • Erysiphaceae
  • Erysiphales
  • Oaks

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science


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