Barren Fescue, Brome Fescue, Brome Six-weeks Grass, Rattail Fescue: Vulpia bromoides (Synonyms: Bromus dertonensis, Festuca bromoides, Festuca dertnoensis, Vulpia dertonensis)
Desert Fescue, Small Fescue: Vulpia microstachys (Synonyms: Festuca arida, Festuca confusa, Festuca eastwoodae, Festuca grayii, Festuca microstachys, Festuca pacifica, Festuca reflexa, Vulpia microstachys var. ciliata, Vulpia microstachys var. confusa, Vulpia microstachys var. microstachys, Vulpia microstachys var. pauciflora, Vulpia arida, Vulpia pacifica)
Foxtail Fescue, Rat-tail Fescue, Rat-tail Six-weeks Grass: Vulpia myuros (Synonyms: Festuca megalura, Festuca megalura var. hirsuta, Festuca myuros, Vulpia megalura, Vulpia myuros var. hirsuta, Vulpia myuros var. myuros)
Sixweeks Fescue: Vulpia octoflora (Synonyms: Festuca octoflora, Festuca octoflora var. hirtella, Festuca octoflora var. octoflora, Vulpia octoflora var. hirtella, Vulpia octoflora var. octoflora)