1. The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing, People’s Republic of China
2. Ecological Observation and Research Station of Heilongjiang Sanjiang Plain Wetlands, National Forestry and Grassland Administration, Shuangyashan, People’s Republic of China
3. State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, People’s Republic of China