|Bradley, K.A. & S.W. Woodmansee. 2001. Observations of vascular plants at Biscayne National Park Cell #52, Swan Key, Miami-Dade County, Florida. 20 November 2001. The Institute for Regional Conservation, Miami, FL. RefID #23866. Link to data.|
Gann GD, Stocking CG and Collaborators. 2001-2018.
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The Institute for Regional Conservation. Delray Beach, Florida.