TRIAS-BLASI, A. and SUKSATHAN, P. 2013. Delimitation in the Veratrum mengtzeanum—V. chiengdaoense complex (Melanthiaceae) in Thailand based on morphology, with commentary on conservation status. Phytotaxa. 96, 1 (Apr. 2013), 54–62. DOI:https://doi.org/10.11646/phytotaxa.96.1.2.