Taphrina wiesneri is a plant pathogen causing witch's broom, or plant gall formations, on cherry trees (Prunus & Cerasus spp). It is an important pest species of the ornamental cherry Cerasus X yedoensis in Japan.Komatsu, M., Taniguchi, M., Matsushita, N., Takahashi, Y., & Hogetsu, T., (2010) Overwintering of Taphrina wiesneri within cherry shoots monitored with species-specific PCR. J Gen Plant Pathol Vol. 76, pp. 363–369
