TY  - RPRT
TI  - How grazing and soil quality affect native and exotic plant diversity in Rocky Mountain grasslands
AU  - Thomas J. Stohlgren
AU  - L. D. Schell
AU  - B. Vanden Heuvel
PY  - 1999
DO  - 10.1890/1051-0761(1999)009[0045:hgasqa]2.0.co;2
UR  - https://pubs.usgs.gov/publication/70021820
ID  - 70021820
ER  -