April 24, 2024 Butterfield, B. J., J. B. Bradford, S. M. Munson and J. R. Gremer. 2017. Aridity increases below-ground niche breadth in grass communities. Plant Ecology 218(4):385-394. Home » Butterfield, B. J., J. B. Bradford, S. M. Munson and J. R. Gremer. 2017. Aridity increases below-ground niche breadth in grass communities. Plant Ecology 218(4):385-394.