Trovó, Marcelo, and Paulo Takeo Sano. 2014. “Paepalanthus conjunctus, a New Species of Paepalanthus Sect. Diphyomene (Eriocaulaceae) from Central Brazil”. Phytotaxa 178 (1). Auckland, New Zealand:53–56. https://doi.org/10.11646/phytotaxa.178.1.7.