Khumkratok, S. , Boontiang, K. , Chutichudet, P. and Pramual, .P. 2015. Cryptic Biodiversity in Two Closely Related Curcuma (Zingiberaceae) Species in Thailand Revealed by Molecular and Morphometric Analyses. Agriculture and Natural Resources. 49, 3 (Jun. 2015), 335–349.