Species-specific maps of nonnative and some native grasses in the western US- New maps from USGS
![Map icon Map icon](https://greatbasinfirescience.org/wp-content/uploads/2019/01/Map-150x150.png)
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Research teams at the USGS Earth Resources Observation and Science (EROS) Center have released a satellite-derived dataset that maps the recent history of the fire-fueling invasive annual grasses spreading through the Western U.S. in greater detail than ever before.