MGFD: the maize gene families database. - Lei Sheng; Haiyang Jiang 010; Hanwei Yan; Xiaoyu Li; Yongxiang Lin; Hui Ye; Beijiu Cheng (Database J. Biol. Databases Curation, 2016)

IGDD: a database of intronless genes in dicots. - Hanwei Yan; Xiaogang Dai; Kai Feng; Qiuyue Ma; Tongming Yin (BMC Bioinform., 2016)

GFDP: the gene family database in poplar. - Hao Wang; Hanwei Yan; Huanlong Liu; Rui Liu; Jun Chen; Yan Xiang (Database J. Biol. Databases Curation, 2018)