Grings M, BOLDRINI II, KNOB A, BORDIGNON SADL. A new species of <em>Calyculogygas</em> (Malvaceae) from southern Brazil. Phytotaxa [Internet]. 2014 Sep. 10 [cited 2025 Mar. 14];178(1):43–49. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.178.1.5