POENGSUNGNOEN, V., MANOCH, L., MONGKOLSUK, P. and KALB, K. 2014. New species of Graphidaceae from Loei Province, Thailand. Phytotaxa. 189, 1 (Dec. 2014), 255–267. DOI:https://doi.org/10.11646/phytotaxa.189.1.18.