Ridl. 1913 - Ridley HN, Kloss CB (1913) An Expedition to Mount Měnuang Gasing, Selangor. Journal of the Linnean Society of London, Botany 41(282): 285-304. doi: 10.1111/j.1095-8339.1913.tb01197.x.
There is no corrections for Thrixspermum montanum yet.