Alpine Fescue: Festuca brachyphylla (Synonyms: Festuca brachyphylla ssp. breviculmis, Festuca brachyphylla ssp. coloradensis, Festuca ovina var. brevifolia)
Buffalo Bunchgrass, Rough Fescue: Festuca campestris (Synonyms: Festuca altaica, Festuca altaica ssp. major, Festuca altaica ssp. scabrella, Festuca scabrella)
Hair Fescue: Festuca filiformis (Synonyms: Festuca capillata, Festuca ovina, Festuca ovina var. capillata)
Blue Bunchgrass, Bluebunch Fescue, Idaho Fescue: Festuca idahoensis (Synonyms: Festuca idahoensis ssp. idahoensis, Festuca idahoensis var. idahoensis, Festuca idahoensis var. oregona, Festuca ingrata, Festuca occidentalis var. ingrata, Festuca occidentalis var. oregona, Festuca ovina var. columbiana, Festuca ovina var. ingrata, Festuca ovina var. oregona)
Western Fescue: Festuca occidentalis
Oregon Fescue, Roemer's Fescue: Festuca roemeri var. roemeri (Synonyms: Festuca idahoensis, Festuca idahoensis var. oregona, Festuca roemeri ssp. roemeri, Festuca idahoensis var. roemeri, Festuca roemeri)
Chewing's Fescue, Chewing's Red Fescue: Festuca rubra ssp. commutata (Synonyms: Festuca nigrescens, Festuca rubra var. commutata)
Gray Red Fescue: Festuca rubra ssp. pruinosa (Synonyms: Festuca ammobia, Festuca rubra ssp. arenicola, Festuca rubra ssp. densiuscula, Festuca rubra ssp. litoralis, Festuca rubra var. litoralis)
Small Sheep Fescue: Festuca saximontana ssp. purpusiana (Synonyms: Festuca ovina, Festuca ovina var. rydbergii, Festuca saximontana var. purpusiana, Festuca supina)
Bearded Fescue, Nodding Fescue: Festuca subulata
Coast Range Fescue, Crinkle Awn Fescue: Festuca subuliflora
Hard fescue, Sheep Fescue: Festuca trachyphylla (Synonym: Festuca brevipila)
Covar, Sheep Fescue: Festuca valesiaca
Tall Fescue: Schedonorus arundinaceus (Synonyms: Festuca arundinacea, Festuca elatior, Festuca elatior ssp. arundinacea, Festuca elatior var. arundinacea, Lolium arundinaceum, Schedonorus phoenix)
English Fescue, Meadow Fescue: Schedonorus pratensis (Synonyms: Festuca elatior, Festuca elatior var. elatior, Festuca pratense, Festuca pratensis, Lolium pratense)
Barren Fescue, Brome Fescue, Brome Six-weeks Grass: 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 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)