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Leymus triticoides

Leymus triticoides (Buckley) Pilg.

Beardless Lyme Grass, Beardless Wildrye, Creeping Wildrye

Poaceae (Grass Family)

Synonym(s): Elymus condensatus var. triticoides, Elymus orcuttianus, Elymus triticoides, Elymus triticoides var. pubescens

USDA Symbol: LETR5

USDA Native Status: L48 (N), HI (I), CAN (N)

A 2-4 ft. tall, long-lived, cool-season grass, forming large colonies from an extensive rhizome system. The seedhead of this loose sod-former is erect and slender.


From the Image Gallery

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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Leaf: Green
Size Class: 3-6 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May


USA: AZ , CA , CO , HI , ID , MT , NM , NV , OR , TX , UT , WA , WY
Canada: BC
Native Distribution: MT to WA, s. to NM & Baja CA; probably naturalized eastward
Native Habitat: Dry to moist, low & medium elevation hills, canyons & open woods

Growing Conditions

Water Use: High
Light Requirement: Sun , Part Shade
Soil Moisture: Dry , Moist
CaCO3 Tolerance: High
Soil Description: Moist to drier, alkaline soils.
Conditions Comments: Extremely saline tolerant. Useful for improving saline rangelands and waterfowl areas.


Description: Sow seed.
Seed Collection: Not Available
Seed Treatment: No pretreatment is necessary.
Commercially Avail: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

View propagation protocol from Native Plants Network.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA
Native Seed Network - Corvallis, OR

Additional resources

USDA: Find Leymus triticoides in USDA Plants
FNA: Find Leymus triticoides in the Flora of North America (if available)
Google: Search Google for Leymus triticoides


Record Modified: 2007-01-01
Research By: TWC Staff

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