Smitha, K. and Sunojkumar, P. 2017.

Notes on Plectranthus montanus (Lamiaceae)—a poorly known species in India and reduction of Coleus subbaraoi as one of its synonyms

. Phytotaxa. 302, 3 (Apr. 2017), 290–293. DOI:https://doi.org/10.11646/phytotaxa.302.3.10.