BioStor
 | Studies in the genus Coccoloba, V The genus in Haiti and the Dom,inican Republic R A Howard (1958) Journal of the Arnold Arboretum 39: 1-48 |
 | ∑Miocene fossil woods from the Columbia basalts of Central Washington. J. Arnold Arb. 42: 165--203. U & E S Barghoorn Prakash (1961) Journal of the Arnold Arboretum 42: 165-203 |