“Dr. Thaithong collected Hoya thailandica in northern Thailand at 2,000 meters above sea level in the Doi Inthanon mountain range. She described and illustrated it and published it in the Nordic Journal of Botany 19th January 2001″. (from P.S. The Hoyan Vol. 5 #2 written by Christine Burton) This plant belongs to the Hoya albiflora complex and is closely related to Hoya australis ssp. tenuipes.