Delprete, P.G. (2019)

Additional studies in Neobertiera (Rubiaceae, Sipaneeae): a new species from the state of Pará, Brazilian Amazon, and a new combination for a species from French Guiana

. Phytotaxa 392 (3): 225–231. https://doi.org/10.11646/phytotaxa.392.3.5