Lachenaud, O., Bruniera, C.P. & Zappi, D.C. (2022)

Six new and a little-known species of Rudgea (Rubiaceae—Palicoureeae) from the Guianas

. Phytotaxa 531 (3): 154–174. https://doi.org/10.11646/phytotaxa.531.3.1