EUNIS habitat types hierarchical view - revised groups

Two revised groups are currently available. The EUNIS classification review is on-going and more groups will become available.

• S : Heathland, scrub and tundra
  
  • S1 : Tundra
    
  • S2 : Arctic, alpine and subalpine scrub
    
    • S2-1 : Subarctic and alpine dwarf Salix scrub
    • S2-2 : Alpine and subalpine ericoid heaths
      • S2-21 : Alpide dwarf ericoid wind heaths
      • S2-22 : Alpide acidocline Rhododendron heaths
      •  S2-23 : Alpigenic high mountain Empetrum - Vaccinium heaths
      • S2-24 : Boreo-alpine and arctic heaths
      • S2-25 : Bruckenthalia heaths
      •  S2-26 : Alpide Arctostaphylos uva-ursi and Arctostaphylos alpinus heaths
      • S2-27 : Alpide Rhododendron hirsutum - Erica heaths
      • S2-28 : Dryas octopetala mats
      • S2-29 : Alpide high mountain dwarf Vaccinium heaths
    • S2-3 : Alpine and subalpine Juniperus scrub
    • S2-4 : Balkan subalpine genistoid scrub
    • S2-5 : Subalpine deciduous scrub
    • S2-6 : Subalpine Pinus mugo scrub
  • S3 : Temperate and mediterranean-montane scrub
    
    • S3-1 : Lowland to montane temperate and submediterranean Juniperus scrub
    •  S3-2 : Temperate Rubus scrub
    • S3-3 : Lowland to montane temperate and submediterranean genistoid scrub
      • S3-31 : Temperate Cytisus scoparius fields
      •  S3-32 : Ulex europaeus thickets
      • S3-33 : Montane Cytisus purgans fields
        •  S3-331 : Cévennes Cytisus purgans fields
        •  S3-332 : Pyrenean Cytisus purgans fields
        •  S3-333 : Galicio-Cantabrian Cytisus purgans fields
        •  S3-334 : Upper Cordilleran Cytisus purgans fields
        •  S3-335 : Lower Cordilleran Cytisus purgans fields
        •  S3-336 : Galicio-Leonese Cytisus purgans fields
        •  S3-337 : Nevadan Cytisus purgans fields
      • S3-34 : Piornales
      •  S3-35 : Tyrrhenian broom fields
      •  S3-36 : Genista aetnensis stands
      •  S3-37 : Canary Island broom fields
      •  S3-38 : Moesian broom fields
    •  S3-4 : Balkan -Anatolian submontane genistoid scrub
    • S3-5 : Temperate and submediterranean thorn scrub
      • S3-51 : Medio-European rich-soil thickets
      •  S3-52 : Buxus sempervirens thickets
      • S3-53 : Atlantic poor soil thickets
      • S3-54 : Inland dune thickets
      • S3-55 : Southwestern sub-mediterranean deciduous thickets
      •  S3-56 : Tyrrhenian sub-mediterranean deciduous thickets
      • S3-57 : Subcontinental and continental deciduous thickets
    • S3-6 : Low steppic scrub
    • S3-7 : Corylus avellana scrub
    •  S3-8 : Temperate forest clearing scrub
  • S4 : Temperate shrub heathland
    
  • S5 : Maquis, arborescent matorral and thermo-Mediterranean scrub
    
  • S6 : Garrigue
    
  • S7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
  • S8 : Thermo-Atlantic xerophytic scrub
    
  • S9 : Riverine and fen scrubs
    
    • S9-1 : Arctic, boreal and alpine riparian scrub
      • S9-11 : Orogenous riverine brush
      •  S9-12 : Montane river gravel low brush
      •  S9-13 : Gravel bank thickets and forests
    • S9-2 : Temperate riparian scrub
    • S9-3 : Salix fen scrub
      • S9-31 : Grey willow carrs
      •  S9-32 : Sphagnum willow carrs
      •  S9-33 : Bay willow carrs
      •  S9-34 : Dwarf willow mire scrubs
      •  S9-35 : Boreal sedge willow carrs
      •  S9-36 : Boreo-alpine willow fen scrubs
    • S9-4 : Mediterranean riparian scrub
  • SA : Hedgerows
    
    •  SA-1 : Hedgerows of non-native species
    •  SA-2 : Highly-managed hedgerows of native species
    •  SA-3 : Species-rich hedgerows of native species
    •  SA-4 : Species-poor hedgerows of native species
  • SB : Shrub plantations
    
• T : Forest and other wooded land