Dendrobium chrysotoxum is an epiphytic orchid species that grows on tree trunks or as a lithophyte on rocks. It is of great ornamental and medicinal importance. The over-exploitation of D. chrysotoxum ...

Hailed as a green hero, the late Joseph Margraf was recognised for his reforestation initiatives. Based in China, the German biologist founded the Tianzi Exploratory Nature Reserve in the mountains of ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...