Blanco-Yanes, Edgar S., and Rosario Redonda-Martínez. 2026. “Reaffirming the Taxonomic Identity of Vernonia calderonii (Vernonieae: Asteraceae)”. Phytotaxa 758 (2). Auckland, New Zealand:129-45. https://doi.org/10.11646/phytotaxa.758.2.2.