Page authors: Don Knoke, David Giblin
Schedonorus arundinaceus
tall fescue, tall rye grass

Distribution: Occurring on both sides of the Cascades crest in Washington; widely distributed throughout North America.

Habitat: Meadowlands, fallow fields an ditch banks.

Flowers: May-July

Origin: Introduced

Growth Duration: Perennial

Conservation Status: Not of concern


Strongly tufted perennial, usually with short rhizomes, the culms hollow, mostly glabrous, usually over 1 m. tall.


Sheaths open, smooth or scabrous; ligules about 0.2 mm. long; auricles prominent, the margins hairy; blades usually flat and stiff, 4-10 mm. broad.


Inflorescence a narrow panicle 15-35 cm. long, often nodding; spikelets 2- to 12-flowered, 12-15 mm. long; first glume 1-nerved, lanceolate, 4-5 mm. long, the second 3-nerved, lanceolate, 6-7 mm. long; lemmas glabrous, 7-9 mm. long, the tip acute and translucent; paleas equal to the lemmas, 2-veined.

Accepted Name:
Schedonorus arundinaceus (Schreb.) Dumort.
Publication: Observ. Gramin. Belg. 106. 1824.

Synonyms & Misapplications:
Festuca arundinacea Schreb. [HC]
Festuca elatior L.
Festuca elatior L. ssp. arundinacea (Schreb.) Hack.
Festuca elatior L. var. arundinacea (Schreb.) Wimm.
Lolium arundinaceum (Schreb.) Darbysh.
Additional Resources:

PNW Herbaria: Specimen records of Schedonorus arundinaceus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Schedonorus arundinaceus checklist entry.

E-Flora BC: Schedonorus arundinaceus atlas page.

CalPhotos: Schedonorus arundinaceus photos.

USDA Plants: Schedonorus arundinaceus information.

28 photographs:
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