Distribution, diversity and environmental adaptation of highland papayas (Vasconcellea spp.) in tropical and subtropical America - X. Scheldeman; L. Willemen; G. Coppens d’Eeckenbrugge; E. Romeijn-Peeters; M. T. Restrepo; J. Romero Motoche; D. Jiménez; M. Lobo; C. I. Medina; C. Reyes; D. Rodríguez; J. A. Ocampo; et al. (Biodiversity and Conservation, 2007)

Phylogenetic analysis of the highland papayas (Vasconcellea) and allied genera (Caricaceae) using PCR-RFLP - B. Van Droogenbroeck; T. Kyndt; I. Maertens; E. Romeijn-Peeters; X. Scheldeman; J. P. Romero-Motochi; P. Van Damme; P. Goetghebeur; G. Gheysen (Theoretical and Applied Genetics, 2004)