The habitats where northern haircap~(Polytrichastrum sexangulare) grows:
| High montane heath and snow bed |
| Lowland dry acid grassland |
| Rocky slope |
| Scree |
| Upland dry heath |
| High montane heath and snow bed |
| Lowland dry acid grassland |
| Rocky slope |
| Scree |
| Upland dry heath |