Trovo, M., Echternacht, L. & Sano, P.T. (2011) Paepalanthus hirtellus, a new species of Paepalanthus subsection Actinocephaloides (Eriocaulaceae) from Minas Gerais, Brazil. Phytotaxa 15 (1): 26–32. https://doi.org/10.11646/phytotaxa.15.1.4