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Bromus tectorum L. (cheatgrass) is a dominant weed that has increased the frequency of wildfire in western North America since being introduced about 120 years ago from Central Asia. Cheatgrass germinates in the fall, overwinters as young seedlings, grows rapidly in early spring, and completes the life cycle by early June. The dead grass then serves as fuel for wildfires. Cheatgrass seeds survive...
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