HollyGTD: an integrated database for holly (Aquifoliaceae) genome and taxonomy - Guo, Zhonglong; Wei, Junrong; Xu, Zhenxiu; Lin, Chenxue; Peng, Ye; Wang, Qi; Wang, Dong; Yang, Xiaozeng; Xu, Ke-Wang (Frontiers in Plant Science, 2023)