1. State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration Institute for Peat and Mire Research Northeast Normal University Renmin 5268 Changchun 130024 China
2. Jilin Provincial Key Laboratory for Wetland Ecological Processes and Environmental Change in the Changbai Mountains Renmin 5268 Changchun 130024 China
3. Department of Plant Ecology and Evolution Evolutionary Biology Centre Uppsala University Norbyvägen 18D Uppsala SE‐752 36 Sweden
4. Swedish Species Information Centre Swedish University of Agricultural Sciences PO Box 7007 Uppsala SE‐750 07 Sweden
5. Institute of Applied Ecology Chinese Academy of Sciences 72 Wenhua Road Shenyang 110016 China
6. Department of Geosciences National Taiwan University Taipei 106 Chinese Taipei