| Collection: | RMRS Archive Images |
| Keywords: |
decay forest pathology |
| Location: | Forest Glen; MD; United States |
| Description: | Quercus alba root (cross section) with decay caused by Polyporus dryadeus |
| Date: | 1917 |
| Collection: | RMRS Archive Images |
| Keywords: |
decay forest pathology |
| Location: | Forest Glen; MD; United States |
| Description: | Quercus alba root (cross section) with decay caused by Polyporus dryadeus |
| Date: | 1917 |