Sirococcus rosae Ning Jiang 2026, comb. nov.

Sirococcus rosae (Crous) Ning Jiang comb. nov. Basionym. Gnomoniopsis rosae Crous, Persoonia 41: 305 (2018). Materials examined. China • Beijing City, Changping District, on a healthy leaf of Rosa chinensis, 8 July 2024, Ning Jiang (tissue-isolated culture CFCC 72007). Notes. Gnomoniopsis rosae was proposed by Crous et al. (2018) and discovered in China on the same host genus, Rosa (Li et al. 2023). Here, a new isolate CFCC 72007 is identified as this fungus based on molecular phylogeny (Fig. 1). In addition, this species is transferred to Sirococcus as S. rosae.