Institution: | 1. Department of Applied Plant Sciences, Shingu College, Seongnam 462-743, Republic of Korea;2. Department of Forest Sciences and The Arboretum, Seoul National University, Seoul 151-921, Republic of Korea;3. State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, The Chinese Academy of Sciences, Xiangshan, Beijing 100093, China;4. Graduate School of Education, Yonsei University, Seoul 120-749, Republic of Korea |