Synonyms: Bromus hordeiformis; Festuca agrestis (heterotypic); Festuca fasciculata var. longiseta (heterotypic); Festuca linneana; Festuca longiseta (heterotypic); Festuca longiseta var. monandra; Festuca longiseta var. triandra; Festuca pyramidata; Festuca uniglumis agrestis; Festuca uniglumis var. longiseta; Stipa membranacea (heterotypic); Vulpia agrestis; Vulpia fontanesii; Vulpia linnaeana; Vulpia linneana; Vulpia longiseta; Vulpia membranacea (homotypic); Vulpia membranacea longiseta; Vulpia membranacea var. agrestis; Vulpia membranacea var. longiseta; Vulpia membranacea var. meridionalis; Vulpia membranacea var. occidentalis; Vulpia pyramidata; Vulpia uniglumis var. longiseta