Yellow rose () is a common ornamental shrub species widely cultivated in China. However, canker disease symptoms were discovered during our investigations in Beijing and Xinjiang, China. The fungal isolates were obtained from diseased barks and identified using combined methods of morphology and phylogeny based on a partial region of ITS, LSU, , , and sequences. As a result, a new species of named was proposed and described herein. The new species is distinguished from its phylogenetic sister species, and , by conidial characters. The present study improves the species concept in and provides fundamental data for the yellow rose canker disease control in the future.
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