Oryzopsis pungens (Torrey ex Sprengel) Hitchcock
Oryzopsis pungens (Torrey ex Sprengel) Hitchcock is a synonym sensu Romaschenko et al., 2011 of:
Piptatheropsis pungens (Torrey ex Sprengel) Romaschenko, P.M. Peterson & Soreng, an accepted species name sensu Romaschenko et al., 2011.