Luteyn, J. L. “Towards a Taxonomic Treatment of the Ericaceae for Bolivia and Peru: New Species of Thibaudia, Synonyms, Lectotypes, and Observations”. Journal of the Botanical Research Institute of Texas, vol. 12, no. 1, July 2018, pp. 89-114, doi:10.17348/jbrit.v12.i1.916.