Holotype of Isotrema cangshanense X. X.Zhu, H.L.Zheng & J.S.Ma, sp. nov. (CSH-0164770).

 
 
  Part of: Zhu XX, Zheng HL, Wang J, Gao YQ, Ma JS (2019) Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China: I. I. cangshanense, a new species from Yunnan. PhytoKeys 134: 115-124. https://doi.org/10.3897/phytokeys.134.37243