EUNIS habitat type hierarchical view

• A : Marine habitats
  
  • 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
    
    • A5.1 : Sublittoral coarse sediment
    • A5.2 : Sublittoral sand
      • A5.21 : Sublittoral sand in low or reduced salinity
      • A5.22 : Sublittoral sand in variable salinity (estuaries)
      • A5.23 : Infralittoral fine sand
      • A5.24 : Infralittoral muddy sand
      • A5.25 : Circalittoral fine sand
      • A5.26 : Circalittoral muddy sand
      • A5.27 : Deep circalittoral sand
      • A5.28 : Mediterranean communities of superficial muddy sands in sheltered waters
    • A5.3 : Sublittoral mud
    • A5.4 : Sublittoral mixed sediments
    • A5.5 : Sublittoral macrophyte-dominated sediment
    • A5.6 : Sublittoral biogenic reefs
    • A5.7 : Features of sublittoral sediments
  • A6 : Deep-sea bed
    
  • A7 : Pelagic water column
    
    • A7.1 : Neuston
    • A7.2 : Completely mixed water column with reduced salinity
    • A7.3 : Completely mixed water column with full salinity
    • A7.4 : Partially mixed water column with reduced salinity and medium or long residence time
    • A7.5 : Unstratified water column with reduced salinity
    • A7.6 : Vertically stratified water column with reduced salinity
    • A7.7 : Fronts in reduced salinity water column
    • A7.8 : Unstratified water column with full salinity
    • A7.9 : Vertically stratified water column with full salinity
    • A7.A : Fronts in full salinity water column
  • A8 : Ice-associated marine habitats
    
• B : Coastal habitats
  
• C : Inland surface waters
  
  • C1 : Surface standing waters
    
  • C2 : Surface running waters
    
  • C3 : Littoral zone of inland surface waterbodies
    
• D : Mires, bogs and fens
  
• E : Grasslands and lands dominated by forbs, mosses or lichens
  
• F : Heathland, scrub and tundra
  
  • F1 : Tundra
    
  • F2 : Arctic, alpine and subalpine scrub
    
    • F2.1 : Subarctic and alpine dwarf willow scrub
    • F2.2 : Evergreen alpine and subalpine heath and scrub
    • F2.3 : Subalpine deciduous scrub
    • F2.4 : Conifer scrub close to the tree limit
  • F3 : Temperate and mediterranean-montane scrub
    
    • F3.1 : Temperate thickets and scrub
      • F3.11 : Medio-European rich-soil thickets
      •  F3.12 : [Buxus sempervirens] thickets
      • F3.13 : Atlantic poor soil thickets
      • F3.14 : Temperate [Cytisus scoparius] fields
      •  F3.15 : [Ulex europaeus] thickets
      • F3.16 : [Juniperus communis] scrub
      • F3.17 : [Corylus] thickets
        •  F3.171 : Atlantic and sub-Atlantic hazel thickets
        •  F3.172 : Sub-boreal hazel thickets
        •  F3.173 : Peri-Alpine hazel thickets
        •  F3.174 : Subcontinental hazel thickets
      • F3.18 : Inland dune thickets
    • F3.2 : Submediterranean deciduous thickets and brushes
  • F4 : Temperate shrub heathland
    
  • F5 : Maquis, arborescent matorral and thermo-Mediterranean brushes
    
    • F5.1 : Arborescent matorral
    • F5.2 : Maquis
    • F5.3 : Pseudomaquis
    •  F5.4 : [Spartium junceum] fields
    • F5.5 : Thermo-Mediterranean scrub
  • F6 : Garrigue
    
    • F6.1 : Western garrigues
    • F6.2 : Eastern garrigues
    • F6.3 : Illyrian garrigues
      •  F6.31 : Illyrian [Quercus coccifera] garrigues
      •  F6.32 : Illyrian [Rosmarinus officinalis] garrigues
      • F6.33 : Illyrian [Cistus] garrigues
      •  F6.34 : Illyrian [Euphorbia] garrigues
      •  F6.35 : Illyrian [Juniperus oxycedrus] garrigues
      •  F6.36 : Illyrian [Teucrium] and other labiates garrigues
      •  F6.37 : Illyrian [Paliurus spina-christi] garrigues
      •  F6.38 : Illyrian broom garrigues
      •  F6.39 : Illyrian [Helichrysum] and other composite garrigues
      •  F6.3A : Illyrian [Erica] garrigues
    • F6.4 : Black Sea garrigues
    •  F6.5 : Macaronesian garrigues
    • F6.6 : Supra-Mediterranean garrigues
    • F6.7 : Mediterranean gypsum scrubs
    • F6.8 : Xero-halophile scrubs
  • F7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
  • F8 : Thermo-Atlantic xerophytic scrub
    
  • F9 : Riverine and fen scrubs
    
    • F9.1 : Riverine scrub
    • F9.2 : [Salix] carr and fen scrub
    • F9.3 : Southern riparian galleries and thickets
      • F9.31 : [Nerium oleander], [Vitex agnus-castus] and [Tamarix] galleries
      •  F9.32 : Southwestern Iberian tamujares, formed by [Securinega tinctoria]
      •  F9.33 : Lauriphyllous galleries of the Cordillera Oretana
      •  F9.34 : [Myrica gale] - [Salix] scrub of the Cordillera Oretana
      •  F9.35 : Riparian stands of invasive shrubs
  • FA : Hedgerows
    
  • FB : Shrub plantations
    
• G : Woodland, forest and other wooded land
  
• H : Inland unvegetated or sparsely vegetated habitats
  
• I : Regularly or recently cultivated agricultural, horticultural and domestic habitats
  
• J : Constructed, industrial and other artificial habitats
  
• X : Habitat complexes