[1]
LUTEYN, J.L. and PEDRAZA-PEÑALOSA, P. 2013. Nomenclature, taxonomy, and conservation of the neotropical genus Sphyrospermum (Ericaceae: Vaccinieae), including five new species for Colombia, Ecuador, and Peru. Phytotaxa. 79, 1 (Feb. 2013), 1–29. DOI:https://doi.org/10.11646/phytotaxa.79.1.1.