Fig. 2
From: Conservation and sustainable use of medicinal plants: problems, progress, and prospects
Number and percentage of medicinal plant species in different countries. The light bars indicate the number of medicinal plant species, and the dark dots indicate the percentage of medicinal plants compared with the total number of plant species. Data sources from Rafieian-Kopaei [16], Hamilton [17], Marcy et al. [18], and Srujana et al. [19]