A review of the genus Critoniopsis in Ecuador (Vernonieae : Asteraceae)DOI: info:10.2988/07-18.1v. 121No. 1BIOL SOC WASHINGTON1–18
Haro-Carrion, X. and Robinson, Harold E. 2008. "A review of the genus Critoniopsis in Ecuador (Vernonieae : Asteraceae)." Proceedings of the Biological Society of Washington, 121, (1) 1–18. https://doi.org/10.2988/07-18.1.