Outlook of a wild Lycium ruthenicum population in Golmud, Qinghai. The deciduous shrubs in the lower left are L. ruthenicum plants. Lycium ruthenicum is an important desert plant in Qaidam. At present, the genetic diversity of L. ruthenicum is being seriously threatened by anthropogenic disturbance. Wang et al. studied the genetic diversity and genetic relationship of the wild L. ruthenicum populations in Qaidam (Pages 1003–1011 of this issue) (Photographed by CHEN Jin-Fu).