Crespo, M.B. and Alonso, M. Ángeles 2016.

Remarks and clarifications on the type material of Ximenesia encelioides (Verbesina encelioides; Asteraceae, Heliantheae), with a new lectotype designation

. Phytotaxa. 253, 2 (Mar. 2016), 161–165. DOI:https://doi.org/10.11646/phytotaxa.253.2.6.