TY - Biodiv Sci A1 - Zaifu Xu T1 - Botanical gardens’ challenge—correspondence with Academician De-Yuan Hong’s “Three ‘What’: mission of a botanic garden” Y1 - 2017-09-20 JF - Biodiversity Science JO - Biodiv Sci SP - 918 EP - 923 VL - 25 IS - 9 UR - https://www.biodiversity-science.net N1 - 10.17520/biods.2017118 ER -