Alpine Fescue, Colorado Fescue: Festuca brachyphylla (Synonyms: Festuca brachyphylla ssp. breviculmis, Festuca brachyphylla ssp. coloradensis, Festuca brevifolia var. genuina, Festuca ovina, Festuca ovina var. brachyphylla, Festuca ovina var. brevifolia) - Note: This taxon is treated as Festuca brachyphylla ssp. brachyphylla and Festuca brachyphylla ssp. coloradoensis in Washington.
California Fescue: Festuca californica var. californica (Synonym: Festuca californica ssp. californica)
Buffalo Bunchgrass, Prairie Fescue, Mountain Rough Fescue, Rough Fescue: Festuca campestris (Synonyms: Festuca altaica, Festuca altaica ssp. major, Festuca altaica ssp. scabrella, Festuca altaica var. major, Festuca scabrella) -
Elmer's Fescue: Festuca elmeri (Synonym: Festuca howellii) -
Bluebunch Fescue, Blue Bunchgrass, 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) -
Leman's Fescue: Festuca lemanii -
Western Fescue: Festuca occidentalis (Synonym: Festuca ovina var. polyphylla) -
Sheep Fescue: Festuca ovina (Synonym: Festuca ovina var. ovina) -
Inland Roemer's Fescue: Festuca roemeri var. klamathensis -
Roemer's Fescue: Festuca roemeri var. roemeri (Synonyms: Festuca idahoensis var. oregona, Festuca idahoensis var. roemeri) -
Chewing's Fescue, Chewing's Red Fescue: Festuca rubra ssp. commutata (Synonym: Festuca rubra var. commutata) -
Coastal Red Fescue, Red Fescue, Rock Fescue: Festuca rubra ssp. juncea (Synonyms: Festuca ammobia, Festuca rubra ssp. litoralis, Festuca rubra ssp. pruinosa, Festuca rubra var. juncea) -
Red Fescue: Festuca rubra ssp. rubra (Synonym: Festuca rubra var. rubra) -
Rocky Mountain Fescue: Festuca saximontana ssp. purpusiana (Synonyms: Festuca ovina, Festuca ovina var. purpusia, Festuca ovina var. purpusiana, Festuca ovina var. rydbergii, Festuca saximontana var. purpusiana) -
Rocky Mountain Fescue: Festuca saximontana var. saximontana (Synonyms: Festuca brachyphylla var. rydbergii, Festuca ovina var. rydbergii, Festuca ovina var. saximontana) -
Bearded Fescue, Nodding Fescue: Festuca subulata -
Crinkle-awn Fescue: Festuca subuliflora -
Hard Fescue, Sheep Fescue: Festuca trachyphylla (Synonyms: Festuca brevipila, Festuca duriuscula var. trachyphylla, Festuca longifolia var. trachyphylla) -
Covar Sheep Fescue, Valais Fescue: Festuca valesiaca -
Green Fescue, Green-leaf Fescue, Mountain Bunchgrass: Festuca viridula (Synonym: Festuca howellii) -
Washington Fescue: Festuca washingtonica - Eastern foothills of the Washington Cascades.