Sirimongkol, S., Tetsana, N. and Middleton, D.J. 2026. A new species of Henckelia (Gesneriaceae) from North-Eastern Thailand. Thai Forest Bulletin (Botany). 54, 1 (May 2026), 58–63. DOI:https://doi.org/10.20531/tfb.2026.54.1.06.