Habitats where marsh arrow grass (Triglochin palustre) grows:
| Habitat | NVC communities | Sites |
|---|---|---|
| Blanket bog | NVC → | Sites → |
| Brownfield | NVC → | Sites → |
| Coastal floodplain grazing marsh | NVC → | Sites → |
| Hard cliff and cliff slope | NVC → | Sites → |
| Limestone pavement | NVC → | Sites → |
| Lowland fen | NVC → | Sites → |
| Purple moor grass and rush pasture | NVC → | Sites → |
| Raised bog | NVC → | Sites → |
| Saline lagoon | NVC → | Sites → |
| Salt marsh | NVC → | Sites → |
| Upland spring flush | NVC → | Sites → |
| Upland wet heath | NVC → | Sites → |