ECHTERNACHT, LIVIA, MARCELO TROVÓ, and PAULO TAKEO SANO. 2011. “Two New Species of <em>Actinocephalus</Em> (Eriocaulaceae) from Minas Gerais, Brazil”. Phytotaxa 27 (1):26–36. https://doi.org/10.11646/phytotaxa.27.1.3.