TY  - RPRT
TI  - Atlas of relations between climatic parameters and distributions of important trees and shrubs in North America: Ecoregions of North America
AU  - Robert S. Thompson
AU  - Katherine H. Anderson
AU  - Richard T. Pelltier
AU  - Sarah L. Shafer
AU  - Patrick J. Bartlein
PY  - 2007
DO  - 10.3133/pp1650e
UR  - https://pubs.usgs.gov/publication/pp1650E
ID  - pp1650E
ER  -