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
    • S2-3 : Alpine and subalpine Juniperus scrub
    • S2-4 : Balkan subalpine genistoid scrub
    • S2-5 : Subalpine deciduous scrub
      • S2-51 : Mountain alder brush
      • S2-52 : Subalpine and oroboreal Salix brush
        • S2-521 : Alpide willow brush
        •  S2-522 : Oroboreal Salix scrub
        •  S2-523 : Northern British willow brush
      • S2-53 : Subalpine mixed brushes
      •  S2-54 : Oroboreal Betula 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
      • S3-34 : 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
    • S3-6 : Low steppic scrub
    • S3-7 : Corylus avellana scrub
    •  S3-8 : Temperate forest clearing scrub
  • S4 : Temperate shrub heathland
    
    • S4-1 : Wet heath
    • S4-2 : Dry heath
      • S4-21 : Submontane Vaccinium - Calluna heaths
        •  S4-211 : North Atlantic Vaccinium - Empetrum - Racomitrium heaths
        •  S4-212 : Sub-boreal Vaccinium heaths
        •  S4-213 : Hercynian Vaccinium heaths
        •  S4-214 : Submontane Alpine Vaccinium heaths
        •  S4-215 : Submontane Pyreneo-Cantabrian Vaccinium heaths
        • S4-216 : Collinar-montane Carpathian Vaccinium heaths
      • S4-22 : Sub-Atlantic Calluna - Genista heaths
      • S4-23 : Atlantic Erica - Ulex heaths
        •  S4-231 : Maritime gorse heaths
        •  S4-232 : Hiberno-Britannic Calluna vulgaris - Ulex gallii heaths
        •  S4-233 : Irish Erica mackaiana heaths
        •  S4-234 : Northern Erica vagans heaths
        •  S4-235 : Anglo-Armorican Erica cinerea - Ulex gallii heaths
        •  S4-236 : Cantabro-Pyrenean Erica mackaiana - E. cinerea heaths
        •  S4-237 : Cantabro-Pyrenean Erica vagans - E. cinerea heaths
        •  S4-238 : Gallo-Britannic dwarf gorse heaths
        •  S4-239 : Aquitano-Ligerian dwarf gorse heaths
      • S4-24 : Ibero-Atlantic Erica - Ulex - Cistus heaths
      •  S4-25 : Boreo-Atlantic Erica cinerea heaths
      • S4-26 : Inland dune heaths
        •  S4-261 : Dry sandy heaths with Empetrum nigrum
        •  S4-262 : Dry sandy heaths with Calluna and Genista
    • S4-3 : Macaronesian heath
  • S5 : Maquis, arborescent matorral and thermo-Mediterranean scrub
    
    • S5-1 : Mediterranean maquis and arborescent matorral
    • S5-2 : Submediterranean pseudomaquis
    •  S5-3 : Spartium junceum scrub
    • S5-4 : Thermo-Mediterranean arid 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
    • S9-2 : Temperate riparian scrub
    • S9-3 : Salix fen scrub
    • S9-4 : Mediterranean riparian scrub
  • SA : Hedgerows
    
  • SB : Shrub plantations
    
• T : Forest and other wooded land