Rueangsawang, K., Chantaranothai, P. and Simpson, D.A. 2013. Taxonomic notes on the genus Justicia (Acanthaceae) from Thailand. Phytotaxa. 130, 1 (Sep. 2013), 43–49. DOI:https://doi.org/10.11646/phytotaxa.130.1.5.