Template:Taylor, 2002c
- Taylor, C.M. 2002. Rubiacearum Americanarum Magna Hama Pars XI. A New Subspecies of Alseis (Calycophylleae) from Central America and Notes on the Morphology of this Neotropical Genus. Novon 12(4): 571–574. DOI: 10.2307/3393141 . BHL