The invasion of non-native grasses, which compete with native plants, is causing the evolution of lush Sonoran Desert vegetation into a chaparral grassland.
(non-native grasses; compete; with native plants) (The invasion of non-native grasses; is causing; the evolution of lush Sonoran Desert vegetation)
non-native grasses The invasion of non-native grasses
compete is causing
with native plants
the evolution of lush Sonoran Desert vegetation