Prasad, M.G. and Sunojkumar, P. 2015.

Taxonomic identity of Torenia leucosiphon (Linderniaceae) and its resurrection from the synonymy of Torenia travancorica

. Phytotaxa. 219, 2 (Jul. 2015), 144–154. DOI:https://doi.org/10.11646/phytotaxa.219.2.4.