Cladosporium infestans S. Q. Tong & Zhi. Y. Zhang 2025, comb. nov.

Cladosporium infestans (Iwatsu, Udagawa & Hatai) S. Q. Tong & Zhi. Y. Zhang comb. nov. Basionym. Scytalidium infestans Iwatsu, Udagawa & Hatai, Trans. Mycol. Soc. Japan 31 (3): 389. 1990. Synonyms. Neodevriesia cladophorae M. M. Wang & W. Li, Mycologia 109 (6): 967. 2018. Description and illustration. Iwatsu et al. (1990). Notes. Scytalidium infestans was introduced by Iwatsu et al. (1990). Neodevriesia cladophorae was introduced by Wang et al. (2017). In this study, the ex-type strain (CBS 161.91) of S. infestans nested in the genus Neodevriesia and was closely related to N. cladophorae (ex-type CGMCC 3.17901) (Fig. 1). Additionally, both S. infestans and N. cladophorae share similar conidia and chlamydospore-like cell morphology and dimensions (Iwatsu et al. 1990; Wang et al. 2017), along with highly conserved sequences. The ITS and LSU sequence similarities between S. infestans (CBS 161.91) and N. cladophorae (CGMCC 3.17901) were 99.6 % and 100 %, respectively. Since S. infestans was published prior to N. cladophorae, we transfer S. infestans to Neodevriesia as Neodevriesia infestans, with N. cladophorae being synonymized under it.