U.S. Department of Agriculture1. Cover and density data of southwestern ponderosa pine understory plants in permanent chart quadrats (2002-2020+) (2nd Edition)
- Author(s):
- Moore, Margaret M.; Jenness, Jeffrey S.; Laughlin, Daniel C.; Strahan, Robert T.; Bakker, Jonathan D.; Dowling, Helen E.; Springer, Judith D.
2. Vegetation monitoring in the Harvey Monroe Hall Research Natural Area: 1993 baseline data
- Author(s):
- Knapp, Eric E.
3. Harvey Monroe Hall Research Natural Area trail monitoring study: 1993 vegetation and trail conditions
- Author(s):
- Knapp, Eric E.
4. Cover and density data of southwestern ponderosa pine understory plants in permanent chart quadrats (2002-2020+)
- Author(s):
- Moore, Margaret M.; Jenness, Jeffrey S.; Laughlin, Daniel C.; Strahan, Robert T.; Bakker, Jonathan D.; Dowling, Helen E.; Springer, Judith D.