Chaowasku, T., P. J. Keßler, S. Punnadee, and R. W. van Der Ham. “Taxonomic Novelties and Pollen Morphological Study in the Genus Neo-uvaria (Annonaceae)”. Phytotaxa, vol. 32, no. 1, Nov. 2011, pp. 27–42, doi:10.11646/phytotaxa.32.1.3.