TY  - RPRT
TI  - Spatial heterogeneity influences native and nonnative plant species richness
AU  - S. Kumar
AU  - T.J. Stohlgren
AU  - G.W. Chong
PY  - 2006
UR  - https://pubs.usgs.gov/publication/1008620
ID  - 1008620
ER  -