Distribution of F. licentiana, F. licentiana var. tunshanica and F. groessingii. The map is based on a standard map downloaded from the National Natural Resources Ministry’s Standard Map Service website. The boundaries of the base map have not been modified.

 
 
  Part of: Yang L, Li W-J (2025) Ferula groessingii (Apiaceae), a new synonym of Ferula licentiana var. tunshanica. PhytoKeys 254: 21-27. https://doi.org/10.3897/phytokeys.254.145845