| Clue | Source | Date |
|---|---|---|
| Tree knots | Premier Sunday | 28 May 2023 |
| Knots on a tree trunk | ||
| Bumps on tree trunks | ||
| Knots on tree trunks | Premier Sunday | 06 Sep 2015 |
| Knots on tree trunks | ||
| Tree knots | ||
| Bumps on trunks | ||
| Tree burls | ||
| Trunk bulges | ||
| Trunk bulges | ||
| Bumps on trunks | ||
| Lumber features | ||
| Lumber features | ||
| Wood bumps | ||
| Arboreal knots | ||
| Knots in wood | ||
| Burls on trunks | ||
| Knots in wood. | ||
| Tree trunk knote. |