TY - RPRT TI - Assessing vulnerability to invasion by nonnative plant species at multiple spatial scales AU - T.J. Stohlgren AU - G.W. Chong AU - L. D. Schell AU - K.A. Rimar AU - Yuka Otsuki AU - M. Lee AU - M. A. Kalkhan AU - C.A. Villa PY - 2002 DO - 10.1007/s00267-001-0006-2 UR - https://pubs.usgs.gov/publication/1015274 ID - 1015274 ER -