TY  - RPRT
TI  - Vascular plant and vertebrate species richness in national parks of the eastern United States
AU  - Jeffrey S. Hatfield
AU  - Kaci E. Myrick
AU  - Michael A. Huston
AU  - Floyd W. Weckerly
AU  - M. Clay Green
PY  - 2013
UR  - https://pubs.usgs.gov/publication/70047837
ID  - 70047837
ER  -