Authors: George A Dyer; J Antonio Serratos-Hernández; Hugo R Perales; Paul Gepts; Alma Piñeyro-Nelson; Angeles Chávez; Noé Salinas-Arreortua; Antonio Yúnez-Naude; J Edward Taylor; Elena R Alvarez-Buylla Journal: PLoS One Date: 2009-05-29 Impact factor: 3.240