BioStor
 | The genera of Celastrales in the southeastern United States G K Brizicky (1964) Journal of the Arnold Arboretum 45: 206-234 |
 | The 1980 Sino-American Botanical Expedition to Western Hubei Province, People's Republic of China B Bartholomew (1983) Journal of the Arnold Arboretum 64: 1-103 |