Grubb, Peter J., Jackson, Robyn V., Barberis , Ignacio M., Bee, Jennie N., Coomes, David A., Dominy, Nathaniel J., Fuente, De La, Lucas, Peter W., Metcalfe, Daniel J., Svenning, Jens-Christian, Turner, Ian M., and Vargas, Orlando. 2008. "Monocot Leaves are Eaten Less than Dicot Leaves in Tropical Lowland Rain Forests: Correlations with Toughness and Leaf Preservation." Annals of Botany. 101:1379–1389.