Piptatherum pungens (Torrey ex Sprengel) Dorn

Piptatherum pungens (Torrey ex Sprengel) Dorn 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.