Trisarasri, Piyachart, and Somran Suddee. “Isodon walkeri (Lamiaceae), a new record for Thailand”. Thai Forest Bulletin (Botany), no. 37 (November 26, 2014): 151–155. accessed March 31, 2025. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24349.