Fig. 1
Geographic range of Coptis species. Doted lines in bold demarcate boundaries of the Holarctic and Paleotropical kingdoms according to Takhtajan [16]
Fig. 1 | BMC Evolutionary Biology
Geographic range of Coptis species. Doted lines in bold demarcate boundaries of the Holarctic and Paleotropical kingdoms according to Takhtajan [16]
