| Answer | Crossword Clue |
|---|---|
| LICHEN | Growth on a rock |
| LICHEN | Growth on rock walls |
| OBELIA | Mosslike growth on marine rock |
| BURL | Growth on a gingko |
| KNAR | Growth on a trunk |
| LICHEN | Growth on a tree |
| BURL | Growth on a tree trunk |
| STUBBLE | Growth on a shaved head |
| SCAB | Fungus growth on a leaf. |
| KNAR | Growth on a tree trunk |
| IVY | Growth on the side of a building |
