| B3.11 |
Lichens or small green algae on supralittoral and littoral fringe rock |
|
| A1.1122 |
[Chthamalus] spp. and [Lichina pygmaea] on steep exposed upper eulittoral rock |
|
| A1.1132 |
[Semibalanus balanoides], [Fucus vesiculosus] and red seaweeds on exposed to moderately exposed eulittoral rock |
|
| A1.121 |
[Fucus distichus] and [Fucus spiralis] f. [nana] on extremely exposed upper eulittoral rock |
|
| A1.211 |
[Pelvetia canaliculata] and barnacles on moderately exposed littoral fringe rock |
|
| A1.126 |
[Osmundea pinnatifida] on moderately exposed mid eulittoral rock |
|
| A1.451 |
[Enteromorpha] spp. on freshwater-influenced and/or unstable upper eulittoral rock |
|
| A1.452 |
[Porphyra purpurea] or [Enteromorpha] spp. on sand-scoured mid or lower eulittoral rock |
|
| A1.311 |
[Pelvetia canaliculata] on sheltered littoral fringe rock |
|
| A1.312 |
[Fucus spiralis] on sheltered upper eulittoral rock |
|
| A1.313 |
[Fucus vesiculosus] on moderately exposed to sheltered mid eulittoral rock |
|
| A1.324 |
[Ascophyllum nodosum] and [Fucus vesiculosus] on variable salinity mid eulittoral rock |
|
| A2.431 |
Barnacles and [Littorina] spp. on unstable eulittoral mixed substrata |
|
| A1.3132 |
[Fucus vesiculosus] on mid eulittoral mixed substrata |
|
| A1.325 |
[Ascophyllum nodosum] ecad. [mackaii] beds on extremely sheltered mid eulittoral mixed substrata |
|
| A2.721 |
[Mytilus edulis] beds on littoral sediments |
|
| B3.112 |
[Prasiola stipitata] on nitrate-enriched supralittoral or littoral fringe rock |
|
| B3.113 |
[Verrucaria maura] on littoral fringe rock |
|
| B3.1131 |
[Verrucaria maura] and sparse barnacles on exposed littoral fringe rock |
|
| B3.1132 |
[Verrucaria maura] on very exposed to very sheltered upper littoral fringe rock |
|
| A1.421 |
Green seaweeds ([Enteromorpha] spp. and [Cladophora] spp.) in shallow upper shore rockpools |
|
| A1.11 |
Mussel and/or barnacle communities |
|
| A1.31 |
Fucoids on sheltered marine shores |
|
| A1.112 |
[Chthamalus] spp. on exposed upper eulittoral rock |
|
| A1.113 |
[Semibalanus balanoides] on exposed to moderately exposed or vertical sheltered eulittoral rock |
|
| A1.1121 |
[Chthamalus montagui] and [Chthamalus stellatus] on exposed upper eulittoral rock |
|
| A1.1133 |
[Semibalanus balanoides] and [Littorina] spp. on exposed to moderately exposed eulittoral boulders and cobbles |
|
| A1.321 |
[Pelvetia canaliculata] on sheltered variable salinity littoral fringe rock |
|
| A1.212 |
[Fucus spiralis] on full salinity exposed to moderately exposed upper eulittoral rock |
|
| A1.322 |
[Fucus spiralis] on sheltered variable salinity upper eulittoral rock |
|
| A1.323 |
[Fucus vesiculosus] on variable salinity mid eulittoral boulders and stable mixed substrata |
|
| A1.442 |
Green algal films on upper and mid-shore cave walls and ceilings |
|
| A1.443 |
[Audouinella purpurea] and [Pilinia maritima] crusts on upper and mid-shore cave walls and ceilings |
|
| A1.444 |
[Audouinella purpurea] and [Cladophora rupestris] on upper to mid-shore cave walls |
|
| A1.445 |
[Verrucaria mucosa] and/or [Hildenbrandia rubra] on upper to mid shore cave walls |
|
| A1.44A |
Barren and/or boulder-scoured littoral cave walls and floors |
|
| A1.3121 |
[Fucus spiralis] on full salinity sheltered upper eulittoral rock |
|
| A1.3122 |
[Fucus spiralis] on full salinity upper eulittoral mixed substrata |
|
| A1.3131 |
[Fucus vesiculosus] on full salinity moderately exposed to sheltered mid eulittoral rock |
|
| A2.7211 |
[Mytilus edulis] beds on littoral mixed substrata |
|
| A1.45 |
Ephemeral green or red seaweeds (freshwater or sand-influenced) on non-mobile substrata |
|