Stipa occidentalis Thurber nom. illeg.
Stipa occidentalis Thurber nom. illeg. is a synonym sensu Peterson et al., 2019a of:
Eriocoma thurberiana (Piper) Romaschenko, an accepted species name sensu Peterson et al., 2019a.
Stipa occidentalis Thurber nom. illeg. is a synonym sensu Peterson et al., 2019a of:
Eriocoma thurberiana (Piper) Romaschenko, an accepted species name sensu Peterson et al., 2019a.