Gann, G.D., and J.A. Duquesnel. 2007-2012. Vascular Plants of State Parks in the Florida Keys
In, Gann, G.D., K.A. Bradley, S.W. Woodmansee, and J.A Duquesnel. 2007-2008. Floristic Inventory of the Florida Keys Database Online.
The Institute for Regional Conservation, Miami.