United States: Florida: Levy County. NW of Yankeetown, near end of Allen Park Road (from junction of C.R. 40A & C.R. 40), a little past last bridge (over tidal channel) before boat ramp, then E of road. Exposed soil at edge of coastal hydric hammock remnant (down to Juniperus virginiana, Sabal palmetto and a little Quercus virginiana), transitioning into tidal marsh nearby; with Zamia pumila, Iva frutescens, Borrichia frutescens, Lycium carolinianum, Neptunia pubescens. Erect herb; flower yellow; infrequent. Lat. 29°2.5'N Long. 82°44.2'W Datum: WGS84.