@book {3107, title = {Listado Flor{\'\i}sticos de M{\'e}xico II. Flora de Quinatana Roo}, year = {1983}, note = {Floras \& Revisions box; with Matuda papers}, publisher = {Instituto de Biologia, UNAM}, organization = {Instituto de Biologia, UNAM}, address = {Mexico City, Mexico}, keywords = {Convolvulaceae of Quintana Roo}, author = {Sousa S., M. and Cabrera C., E. F.} }