Huang, Q.-L., Zeng, Y.-P., Yuan, Q. & Yang, Q.-E. (2024) Clematis brevipes (Ranunculaceae), an interesting and yet imperfectly known species from southern Gansu and northern Sichuan, China. Phytotaxa 635 (2): 126–136. https://doi.org/10.11646/phytotaxa.635.2.2