Ecophysiological, Anatomical and Ultrastructural Characteristics of Vitex Polygama Cham. (Verbenaceae) Submitted to Different Concentrations of Fluoride. Acta Sci. Biol. Sci. 2016, 38 (4), 481-489. https://doi.org/10.4025/actascibiolsci.v38i4.31400.