United States, Florida, Lee Co., Sanibel Island, Sanibel Island, J.N. "Ding" Darling National Wildlife Refuge; access road at entrance to Refuge, 2 mi. W of Tarpon Bay Road on Sanibel-Captiva Road. T46S, R22E, Sec. 21, NW¼ of SW¼.
26.522 -82.1893
Open, brackish mangrove edge, grading into dry coastal hammock.