References

Rojas-Piña, V., M.E. Olson, L.O. Alvaradu-Cárdenas, & L.E. Eguiarte. 2014. Molecular phylogenetics and morphology of Beaucarnea (Ruscaceae) as distinct from Nolina, and the submersion of Calibanus into Beaucarnea. Taxon 63: 1193-1203.