Addenda Ad Floram Ningxiaensem — Supplement to the flora of the Autonomous Region Ningxia, China

Rüdiger Wittig, Yingzhong Xie, Thomas Raus, Hildemar Scholz
2000 Willdenowia  
doi:10.3372/wi.30.30109 fatcat:i4jprcx7wzgupordgtbd6to4xq