Habitats where water earwort (Scapania undulata) grows:
| Habitat | NVC communities | Sites |
|---|---|---|
| Brownfield | NVC → | Sites → |
| Limestone pavement | NVC → | Sites → |
| Montane scrub | NVC → | Sites → |
| Mountain ledge | NVC → | Sites → |
| Upland calcareous grassland | NVC → | Sites → |
| Upland spring flush | NVC → | Sites → |
| Valley mire | NVC → | Sites → |