]> GH barcode-01929296 United States of America California 2.6 miles east of Lewis Road on Potrero Road, near Camarillo State Hospital. (Lat. N. 34°; Long. 118° to 119°) Amaranthus powellii S. Watson S. Watson 2020-05-26 14:53:31 P. H. Raven & H. J. Thompson