Stipa divaricata Columbus & J.P. smith
Stipa divaricata Columbus & J.P. smith is a synonym sensu Romaschenko et al., 2011 of:
Piptatheropsis micrantha (Trinius & Ruprecht) Romaschenko, P.M. Peterson & Soreng, an accepted species name sensu Romaschenko et al., 2011.