@misc{indiciae51628f04fd07, title = {How grazing and soil quality affect native and exotic plant diversity in Rocky Mountain grasslands}, author = {Thomas J. Stohlgren and L. D. Schell and B. Vanden Heuvel}, year = {1999}, doi = {10.1890/1051-0761(1999)009[0045:hgasqa]2.0.co;2}, url = {https://pubs.usgs.gov/publication/70021820}, note = {Source identifier: 70021820} }