U.S. Department of Agriculture1. Tree ring widths and diameter at breast height of green ash (Fraxinus pennsylvanica Marsh.) growing in a provenance planting established in 1978 in northern Vermont, USA
- Author(s):
- Murakami, Paula F.; Butnor, John R.
2. 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.