EUNIS habitat type hierarchical view

• A : Marine habitats
  
• B : Coastal habitats
  
  • B1 : Coastal dunes and sandy shores
    
    • B1.1 : Sand beach driftlines
    • B1.2 : Sand beaches above the driftline
      • B1.21 : Unvegetated sand beaches above the driftline
        •  B1.211 : Baltic unvegetated spits and bars above the driftline
        •  B1.212 : Baltic unvegetated sandy beaches above the driftline
      • B1.22 : Biocenosis of supralittoral sands
      • B1.23 : Boreo-arctic sand beach perennial communities
      •  B1.24 : Sandy beach ridges with no or low vegetation
      •  B1.25 : Sandy beach ridges dominated by shrubs or trees
    • B1.3 : Shifting coastal dunes
      • B1.31 : Embryonic shifting dunes
      • B1.32 : White dunes
      •  B1.33 : Young boreo-arctic dunes
    • B1.4 : Coastal stable dune grassland (grey dunes)
    • B1.5 : Coastal dune heaths
    • B1.6 : Coastal dune scrub
    • B1.7 : Coastal dune woods
    • B1.8 : Moist and wet dune slacks
    •  B1.9 : Machair
  • B2 : Coastal shingle
    
  • B3 : Rock cliffs, ledges and shores, including the supralittoral
    
• C : Inland surface waters
  
  • C1 : Surface standing waters
    
  • C2 : Surface running waters
    
    • C2.1 : Springs, spring brooks and geysers
    • C2.2 : Permanent non-tidal, fast, turbulent watercourses
    • C2.3 : Permanent non-tidal, smooth-flowing watercourses
    • C2.4 : Tidal rivers, upstream from the estuary
    •  C2.5 : Temporary running waters
    •  C2.6 : Films of water flowing over rocky watercourse margins
  • 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
    
    • F1.1 : Shrub tundra
    • F1.2 : Moss and lichen tundra
  • F2 : Arctic, alpine and subalpine scrub
    
    • F2.1 : Subarctic and alpine dwarf willow scrub
    • F2.2 : Evergreen alpine and subalpine heath and scrub
      • F2.21 : Alpide dwarf ericoid wind heaths
      • F2.22 : Alpide acidocline [Rhododendron] heaths
      • F2.23 : Southern Palaearctic mountain dwarf [Juniperus] scrub
      •  F2.24 : Alpigenic high mountain [Empetrum - Vaccinium] heaths
      • F2.25 : Boreo-alpine and arctic heaths
      • F2.26 : [Bruckenthalia] heaths
      •  F2.27 : Alpide [Arctostaphylos uva-ursi] and [Arctostaphylos alpinus] heaths
      • F2.28 : Alpide [Rhododendron hirsutum] - [Erica] heaths
      • F2.29 : [Dryas octopetala] mats
      • F2.2A : Alpide high mountain dwarf [Vaccinium] heaths
      • F2.2B : Alpide high mountain [Genista] and [Chamaecytisus] heaths
    • F2.3 : Subalpine deciduous scrub
    • F2.4 : Conifer scrub close to the tree limit
  • F3 : Temperate and mediterranean-montane scrub
    
  • F4 : Temperate shrub heathland
    
    • F4.1 : Wet heaths
    • F4.2 : Dry heaths
    • F4.3 : Macaronesian heaths
  • F5 : Maquis, arborescent matorral and thermo-Mediterranean brushes
    
  • F6 : Garrigue
    
  • F7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
    • F7.1 : West Mediterranean spiny heaths
    • F7.2 : Central Mediterranean spiny heaths
    • F7.3 : East Mediterranean phrygana
    • F7.4 : Hedgehog-heaths
  • F8 : Thermo-Atlantic xerophytic scrub
    
  • F9 : Riverine and fen scrubs
    
  • FA : Hedgerows
    
  • FB : Shrub plantations
    
• G : Woodland, forest and other wooded land
  
• H : Inland unvegetated or sparsely vegetated habitats
  
  • H1 : Terrestrial underground caves, cave systems, passages and waterbodies
    
  • H2 : Screes
    
    •  H2.1 : Cold siliceous screes
    •  H2.2 : Cold limestone screes
    • H2.3 : Temperate-montane acid siliceous screes
    • H2.4 : Temperate-montane calcareous and ultra-basic screes
    • H2.5 : Acid siliceous screes of warm exposures
    • H2.6 : Calcareous and ultra-basic screes of warm exposures
  • H3 : Inland cliffs, rock pavements and outcrops
    
  • H4 : Snow or ice-dominated habitats
    
  • H5 : Miscellaneous inland habitats with very sparse or no vegetation
    
  • H6 : Recent volcanic features
    
• I : Regularly or recently cultivated agricultural, horticultural and domestic habitats
  
• J : Constructed, industrial and other artificial habitats
  
  • 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
    
• X : Habitat complexes