]> GH barcode-00364735 United States of America California South of Coronado on Calif. Highway 75, 2.8 miles north of 7th Street Junction in Imperial Beach and about 1/2 mile north of U.S. Navy radio instillation. At roadside west of road on dune about 100 yds from ocean Nemacaulis denudata Nuttall Nuttall 2012-05-31 11:41:13 C. R. Broome & Jack L. Reveal