| B1 - Coastal dunes and sandy shores |
| B2 - Coastal shingle |
| B3 - Rock cliffs, ledges and shores, including the supralittoral |
| C1 - Surface standing waters |
| C2 - Surface running waterss |
| C3 - Littoral zone of inland surface waterbodies |
| D1 - Raised and blanket bogs |
| D2 - Valley mires, poor fens and transition mires |
| D3 - Aapa, palsa and polygon mires |
| D4 - Base-rich fens and calcareous spring mires |
| D5 - Sedge and reedbeds, normally without free-standing water |
| D6 - Inland saline and brackish marshes and reedbeds |
| E1 - Dry grasslands |
| E2 - Mesic grasslands |
| E3 - Seasonally wet and wet grasslands |
| E4 - Alpine and subalpine grasslands |
| E6 - Inland salt steppes |
| E7 - Sparsely wooded grasslands |
| F1 - Tundra |
| F2 - Arctic, alpine and subalpine scrub |
| F3 - Temperate and mediterranean-montane scrub |
| F4 - Temperate shrub heathland |
| F5 - Maquis, arborescent matorral and thermo-Mediterranean brushes |
| F6 - Garrigue |
| F7 - Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation) |
| F8 - Thermo-Atlantic xerophytic scrub |
| F9 - Riverine and fen scrubs |
| FB - Shrub plantations |
| G1 - Broadleaved deciduous woodland |
| G2 - Broadleaved evergreen woodland |
| G3 - Coniferous woodland |
| G4 - Mixed deciduous and coniferous woodland |
| G5 - Lines of trees, small anthropogenic woodlands, recently felled woodland, early-stage woodland and coppice |
| H2 - Screes |
| H3 - Inland cliffs, rock pavements and outcrops |
| H4 - Snow or ice-dominated habitats |
| H5 - Miscellaneous inland habitats with very sparse or no vegeation |
| I1 - Arable land and market gardens |
| I2 - Cultivated areas of gardens and parks |
| J1 - Buildings of cities, towns and villages |
| J2 - Low density buildings |
| J3 - Extractive industrial sites |
| J4 - Transport networks and other constructed hard-surfaced areas |
| J5 - Highly artificial man-made waters and associated structures |
| J6 - Waste deposits |
| A1 - Littoral rock and other hard substrata |
| A2 - Littoral sediment |
| A3 - Infralittoral rock and other hard substrata |
| A4 - Circalittoral rock and other hard substrata |
| A5 - Sublittoral sediment |
| A6 - Deep-sea bed |
| X1 - Estuaries |
| X2_3 - Coastal lagoons |
| A12 - Littoral rock or sediment |
| A128 - Littoral rock or sediment and sea ice |
| A34 - Infralittoral and circalittoral rock and other hard substrata |
| A348 - Infralittoral and circalittoral rock and other hard substrata and sea ice |
| A18 - Littoral rock and other hard substrata and sea ice |
| A28 - Littoral sediment and sea ice |
| A58 - Sublittoral sediment and sea ice |
| A68 - Deep-sea bed and sea ice |
| 250 - Unclassified |