Arbo, M.M. 2005. Systematic studies in <i>Turnera</i> (Turneraceae). III. Series <i>Anomalae</i> and <i>Turnera</i>. Bonplandia. 14, 3-4 (Jul. 2005), 115–318. DOI:https://doi.org/10.30972/bon.143-41382.