Fig. 3From: Conservation and sustainable use of medicinal plants: problems, progress, and prospectsFactors contributing to the susceptibility or resilience of medicinal plants in response to collection pressure. Factors include distribution range, habitat specificity, population size, species diversity, growth rate, and reproductive system. The dark line indicates less susceptible characteristics of medicinal plants, while the dashed line indicates more susceptible characteristics contributing to the rarity of medicinal plantsBack to article page