Treesearch
Seed crop frequency in northeastern Wisconsin
| Authors: | Richard M. Godman, Gilbert A. Mattson |
| Year: | 1992 |
| Type: | Other |
| Station: | Northern Research Station |
| Source: | In: Hutchinson, Jay G., ed. Northern hardwood notes. St. Paul, MN.: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 3.02 |
Download (PDF 22 KB): https://research.fs.usda.gov/download/treesearch/18686.pdf