Agropyron pectiniforme

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Crested Wheatgrass

Agropyron pectiniforme (A. cristatum)
  • ANPC Rank –
  • Moss, Flora of Alberta – Common
  • Global Invasive Species Database – No
  • NatureServe Rank – Medium
  • Haber, Upland – Minor
  • Haber, Wetland – No
  • CWF, Status & Invasive Range – Of particular concern, southern SK, AB
  • Alberta Revegetation Guidelines – Invasive agronomic: invasive in prairies, persistent elsewhere
  • The Nature Conservancy – Yes
  • CBCN – Potential
  • AB Weed – No

Synonyms:

Agropyron cristatum (L.) Gaertn. ssp. pectinatum (M. Bieb.) Tzvelev

Agropyron cristatiforme Sarkar

Agropyron pectinatum (M. Bieb.) P. Beauv.

Agropyron pectiniforme Roem. & Schult.

Remarks

Cultivated pastures of this grass are ready for spring grazing earlier than native rangeland. It has been widely used to reclaim disturbed sites. It will spread into adjacent native grassland, however, sometimes forming monospecific stands. It survives and spreads in native areas, but dies out in the original plantings if neglected. Cattle will avoid it if there are alternatives. Allelopathic.

Range extends into the Yukon, where it was first collected in 1947.

[1] Link to USDA Plants Profile, Agropyron cristatum (L.) Gaertn. ssp. pectinatum (M. Bieb.) Tzvelev crested wheatgrass

[2] Link to NatureServe I-Rank infomation for Agropyron cristatum - (L.) Gaertn. Crested Wheatgrass


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from Vascular Plants of the Pacific Northwest