Little, Elbert L. Jr.; Frank H., Wadsworth (July 1964). Common Trees of Puerto Rico and the Virgin Islands. Agriculture Handbook. Vol. 249. Washington, D.C.: U.S. Department of Agriculture Forest Service. pp. 46–47.
Roncal, Julissa; Scott Zona; Carl E. Lewis (2008). "Molecular Phylogenetic Studies of Caribbean Palms (Arecaceae) and Their Relationships to Biogeography and Conservation". The Botanical Review. 74 (1): 78–102. doi:10.1007/s12229-008-9005-9. S2CID40119059.
Roncal, Julissa; Scott Zona; Carl E. Lewis (2008). "Molecular Phylogenetic Studies of Caribbean Palms (Arecaceae) and Their Relationships to Biogeography and Conservation". The Botanical Review. 74 (1): 78–102. doi:10.1007/s12229-008-9005-9. S2CID40119059.
si.edu
botany.si.edu
Proctor, G.R. (2005). "Arecaceae (Palmae)"(PDF). In Acevedo-Rodríguez, Pedro; Strong, Mark T (eds.). Monocots and Gymnosperms of Puerto Rico and the Virgin Islands. Contributions of the United States National Herbarium. Vol. 52. pp. 149–50.
usda.gov
plants.sc.egov.usda.gov
USDA, NRCS (n.d.). "Sabal causiarum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 26 October 2015.