Distribution map of Calanthe sieboldopsis (blue and green circles show the type locality and another occurrence, respectively) and C. sieboldii (purple and orange squares show historical records and the recently-discovered localities, respectively).

 
 
  Part of: Yang B-Y, Luo H-L, Huang W-C, Xiong D-J, Tan S-L, Li B (2020) Calanthe sieboldopsis (Orchidaceae, Epidendroideae, Collabieae), a new species from Luoxiao Mountains, eastern China. PhytoKeys 145: 37-45. https://doi.org/10.3897/phytokeys.145.49386