Treesearch
Visual method of distinguishing longleaf from shortleaf and loblolly pine
| Authors: | Forest Products Laboratory |
| Year: | 1937 |
| Type: | Technical Note |
| Station: | Forest Products Laboratory |
| Source: | Technical note ; 141 |
Download (PDF 126 KB): https://research.fs.usda.gov/download/treesearch/32326.pdf