close-up of cheatgrass
Detailed Description
Cheatgrass (Bromus tectorum) is the dominant exotic annual grass in the western U.S. It is originally from Eurasia and was introduced to the U.S. in the mid- to late-1800's as a contaminant in seed and straw.
Sources/Usage
Courtesy of Justin L. Welty
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Related Content
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Invasive annual grasses, such as cheatgrass ( Bromus tectorum ) and medusahead ( Taeniatherum caput-medusae), are one of the most significant stressors to rangeland ecosystems in the western U.S. Their expansion and dominance across this area are the most damaging ecosystem agents on this iconic landscape.