Holotype sheets of Hydrocotyle chiangdaoensis (A) and H. calcicola (B). The arrows indicate the roots of the species.

 
 
  Part of: Wen J, Zhu J-W, Zhu R-B, Song C-F (2025) Taxonomic studies on the genus Hydrocotyle (Apiales) from China: The distribution and morphology of H. chiangdaoensis, with H. calcicola reduced to a synonym. PhytoKeys 255: 247-260. https://doi.org/10.3897/phytokeys.255.149589