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Plant Database

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Leymus cinereus (Basin wildrye)
Wasowski, Sally and Andy

Leymus cinereus

Leymus cinereus (Scribn. & Merr.) Á. Löve

Basin Wildrye, Great Basin Lyme Grass, Great Basin Wildrye

Poaceae (Grass Family)

Synonym(s): Aneurolepidium piperi, Elymus cinereus, Elymus cinereus var. pubens, Elymus condensatus var. pubens, Elymus piperi

USDA Symbol: LECI4

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

Much like common rye grass, this tall, robust, cool-season grass grows in bunches often 1 ft. or more across. The leaves are flat and 1-3 ft. long. There is a single, erect, dense seed head, 5-8 in. long, at the end of each 2-6 ft. culm. Great Basin lyme grass is a short-lived perennial.

 

From the Image Gallery

7 photo(s) available in the Image Gallery

Plant Characteristics

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

Bloom Information

Bloom Color: Yellow
Bloom Time: Mar , Apr

Distribution

USA: AZ , CA , CO , ID , MN , MT , NE , NM , NV , OR , UT , WA , WY
Canada: BC , SK
Native Distribution: B.C. to Sask., s. to s. CA & NM
Native Habitat: River banks; ravines; moist or dry slopes & plains

Growing Conditions

Water Use: High
Light Requirement: Sun
CaCO3 Tolerance: High
Soil Description: Dry to moist, sandy soils.
Conditions Comments: This grass tolerates salt and drought and adapts to wet winters and dry summers. It is good for binding sandy, loose soils.

Propagation

Description: Sow seed.
Seed Collection: Not Available
Seed Treatment: Seeds germinate without treatment.
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

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FAC UPL UPL FAC
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

From the Archive

Wildflower Newsletter 1995 VOL. 12, NO.3 - Explore the Big Bend With the Wildflower Center, Education Director\'s Report, T...

Additional resources

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

Metadata

Record Modified: 2009-02-20
Research By: TWC Staff

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