Fischer, E. and Lachenaud, O. 2013.

A new species of Torenia (Linderniaceae) from Gabon, remarks on Torenia mannii Skan, and a key to the African and Madagascan Torenia species

. Phytotaxa. 125, 1 (Aug. 2013), 40–46. DOI:https://doi.org/10.11646/phytotaxa.125.1.6.