Poaceae

Beardless wildrye

Leymus triticoides (Buckley) Pilg.

Family: Poaceae
Genus: Leymus

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Beardless wildrye: This rhizomatous grass is one of the few species occupying a small area where sheep were grazed ostensibly to reduce the abundance of certain invasive plant spe — Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (2)

Chinese: 无芒赖草
English: Beardless wildrye, Alkali wildrye

Synonyms

Elymus acicularis Suksd.
Elymus condensatus var. triticoides (Buckley) Thurb.
Elymus orcuttianus Vasey
Elymus simplex Scribn. & T.A.Williams
Elymus simplex var. luxurians Scribn. & T.A.Williams
Elymus triticoides Buckley
Elymus triticoides subsp. simplex (Scribn. & T.A.Williams) Á.Löve
Elymus triticoides subsp. triticoides
Elymus triticoides var. pubescens Hitchc.
Elymus triticoides var. simplex (Scribn. & T.A.Williams) Hitchc.
Elymus triticoides var. triticoides
Leymus simplex (Scribn. & T.A.Williams) D.R.Dewey
Leymus simplex var. luxurians (Scribn. & T.A.Williams) Beetle
Leymus triticoides subsp. simplex (Scribn. & T.A.Williams) Á.Löve

Flowers

Flower colour: yellow (USDA PLANTS Database)

Characteristics

Growth habit: Graminoid
Lifespan: Perennial
In the US and Canada: Canada: native, Hawaii: introduced, Lower 48 states: native

Photos

Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons

More in Leymus

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.