For Turnera
Arbo, M.M. 2015. Turneraceae. In Flora of North America Editorial Committee. 2015. Flora of North America north of Mexico. Volume 6, Magnoliophyta: Cucurbitaceae to Droseraceae. Oxford Univ. Press, New York, NY. 468 pp. Google Scholar
Rocha, L., P. Luz Ribeiro, P.K. Endress, A. Rapini. 2019. A brainstorm on the systematics of Turnera (Turneraceae, Malpighiales) caused by insights from molecular phylogenetics and morphological evolution. Molec. Phylogen. & Evol. 137: 44-63. Google Scholar
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