Jin, Z.-C. & Chen, Y.-S. (2022)

Reduction of Cirsium fangii (Asteraceae, Cardueae) to the synonymy of C. leo and description of a new species, C. sichuanense, from Sichuan, China

. Phytotaxa 576 (2): 158–172. https://doi.org/10.11646/phytotaxa.576.2.2