[Wikipedia] S. America Native, Misidentified as G. falcata: Gamochaeta calviceps, the narrowleaf purple everlasting,[2] is a species of flowering plant in the family Asteraceae. It is native to South America and to the southeastern United States (from Texas and Oklahoma to Virginia (though not Florida). It has also become naturalized in other places (Europe, Taiwan, New Zealand, California, etc.).[2][3][4][5] Gamochaeta calviceps is similar to G. falcata, and many G. calviceps specimens from the United States have long been misidentified as G. falcata.[3] (link added by Mary Ann Machi)