ACACIAS
| Date | Clue |
|---|---|
| 2025-09-30 | Some pod-bearing trees |
| 2024-11-13 | Common trees in Australia |
| 2005-12-11 | Knobthorns and wattle trees |
| 2004-09-04 | Yellow-flowered shrubs |
| 1997-05-17 | These yield gum arabic |
| 1995-12-09 | Gum arabic sources |
| 1994-07-18 | Gum arabic trees |