Global change is likely to affect invasive species distribution, especially at range margins. In the eastern S ierra N evada, C alifornia, USA , the invasive annual grass, B romus tectorum , is patchily distributed and its impacts have been minimal compared with other areas of the I ntermountain W est. We used a series of in situ field manipulations to determine how B . tectorum might respond to changing climatic conditions an...