Spatial distribution of Rock’s botanical specimen collection in provinces (a), cities (b) and counties (c) in China.

Joseph Charles Francis Rock, the ‘ #PlantHunters ’ in the early 20th century. In order to strengthen the protection of #plantDiversity, Jifan Luo et al. studied the Joseph Rock’s #PlantCollectionActivities in China.
Details: doi.org/10.1093/jpe/...