Panicum stevensianum Hitchc. & Chase in Contr. U.S. Natl. Herb. 17: 498. 1915 Panicum stevensianum Hitchc. & Chase in Contr. U.S. Natl. Herb. 17: 498. 1915is basionym for Steinchisma stevensianum (Hitchc. & Chase) ZuloagaTaxon for this namePanicum stevensianum Hitchc. & Chase in Contr. U.S. Natl. Herb. 17: 498. 1915