Fritsch, P. W., V. B. Amoroso, F. P. Coritico, and D. S. Penneys. “Vaccinium Hamiguitanense (Ericaceae), a New Species from the Philippines”. Journal of the Botanical Research Institute of Texas, Vol. 14, no. 2, Dec. 2020, pp. 281-7, doi:10.17348/jbrit.v14.i2.1009.