Shibai Xiao / Preserved root of Chinese goldthread (Coptis chinensis) used in traditional Chinese medicine, Henan Province, China, March 2010. No release available.

Shibai Xiao / Desert broomrape (Cistanche deserticola) parasitizes root of Saxaul (Haloxylon ammodendron) the former is used for one of rare Chinese medicines, with man in background, Inner Mongolia, China, January...

Roland Seitre / Traditional chinese medicines for analysis at the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA