| Code |
Description |
| All | All habitats in which species found |
| AR | Arable and horticulture |
| BU | Built-up areas and gardens |
| BY | Hedgerows |
| FM | Fen, marsh, fen-meadow, unwooded swamp, wet grassland and rush-pasture |
| GA | Dry acid grassland |
| GC | Calcareous grassland (including open scrub) |
| GI | Improved Grassland |
| GN | Neutral grassland (inclufing open scrub) |
| HE | Heathland (including humid heath) |
| MI | Acid mire |
| QR | Rivers and streams |
| QS | Standing Water and Canals |
| SL | Coastal saltmarsh and mudflats including brackish grassland |
| SR | Coastal cliff and hard substrate |
| SS | Coastal shingle and dunes |
| SZ | Seagrass beds |
| WB | Broadleaved woodland |
| WC | Coniferous woodland |
