Piptatherum canadense (Poiret) Dorn
Piptatherum canadense (Poiret) Dorn is a synonym sensu Romaschenko et al., 2011 of:
Piptatheropsis canadensis (Poiret) Romaschenko, P.M. Peterson & Soreng, an accepted species name sensu Romaschenko et al., 2011.