| Answer | Crossword Clue |
|---|---|
| SUMAC | Buckthorn brown |
| ALDER | ... buckthorn |
| CASCARA | Buckthorn plant. |
| CASCARAS | Buckthorn varieties |
| CASCARA | Buckthorn variety |
| CASCARA | Buckthorn family tree |
| TREE | Buckthorn, for one. |
| CASCARAS | Buckthorn trees with medically useful bark |
| CASCARA | Tree belonging to the buckthorn family |
