[1]
Zemagho, L.A., Liede-Schumann, S., Lachenaud, O., Dessein, S. and Sonke, B. 2017.

Taxonomic revision of Sabicea subgenus Anisophyllae (Ixoroideae, Rubiaceae) from Tropical Africa, with four new species

. Phytotaxa. 293, 1 (Feb. 2017), 1–68. DOI:https://doi.org/10.11646/phytotaxa.293.1.1.