EUNIS habitat type hierarchical view

• A : Marine habitats
  
• B : Coastal habitats
  
  • B1 : Coastal dunes and sandy shores
    
  • 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
      •  C2.41 : Brackish water tidal rivers
      •  C2.42 : Freshwater tidal rivers
      •  C2.43 : Mesotrophic vegetation of tidal rivers
      •  C2.44 : Eutrophic vegetation of tidal rivers
    •  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
  
  • E1 : Dry grasslands
    
  • E2 : Mesic grasslands
    
  • E3 : Seasonally wet and wet grasslands
    
  • E4 : Alpine and subalpine grasslands
    
    • E4.1 : Vegetated snow-patch
    • E4.2 : Moss and lichen dominated mountain summits, ridges and exposed slopes
    • E4.3 : Acid alpine and subalpine grassland
    • E4.4 : Calcareous alpine and subalpine grassland
    • E4.5 : Alpine and subalpine enriched grassland
  • E5 : Woodland fringes and clearings and tall forb stands
    
  • E6 : Inland salt steppes
    
  • E7 : Sparsely wooded grasslands
    
• F : Heathland, scrub and tundra
  
  • F1 : Tundra
    
  • F2 : Arctic, alpine and subalpine scrub
    
  • F3 : Temperate and mediterranean-montane scrub
    
  • F4 : Temperate shrub heathland
    
  • F5 : Maquis, arborescent matorral and thermo-Mediterranean brushes
    
  • F6 : Garrigue
    
  • 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
  • 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
    
  • H3 : Inland cliffs, rock pavements and outcrops
    
    • H3.1 : Acid siliceous inland cliffs
    • H3.2 : Basic and ultra-basic inland cliffs
      • H3.21 : Tyrrheno-Adriatic eumediterranean calcicolous chasmophyte communities
      •  H3.22 : Central Pyrenean calcicolous chasmophyte communities
      •  H3.23 : Liguro-Apennine calcicolous chasmophyte communities
      • H3.24 : Western mediterraneo-montane chasmophyte communities
      • H3.25 : Alpine and sub-mediterranean chasmophyte communities
      •  H3.26 : Hellenic eumediterranean calcicolous chasmophyte communities
      • H3.27 : Aegeo-east-Mediterranean basiphile chasmophyte communities
      •  H3.28 : Southern Hellenic [Potentilla] cliffs
      •  H3.29 : Central Hellenic [Potentilla] cliffs
      • H3.2A : Illyrio-Helleno-Balkanic [Potentilla] cliffs
      •  H3.2B : Lowland middle European calcareous cliff communities
      •  H3.2C : Boreal calcareous cliff communities
      •  H3.2D : Mediterraneo-Anatolian calcicolous chasmophyte communities
      • H3.2E : Bare limestone inland cliffs
      •  H3.2F : Disused chalk and limestone quarries
      •  H3.2G : Boreal and arctic serpentine and basaltic cliff communities
      • H3.2H : Bare inland basaltic and ultra-basic cliffs
      •  H3.2I : Temperate serpentine and basaltic cliff communities
      •  H3.2J : Mediterranean serpentine and basaltic cliff communities
    •  H3.3 : Macaronesian inland cliffs
    • H3.4 : Wet inland cliffs
    • H3.5 : Almost bare rock pavements, including limestone pavements
    • H3.6 : Weathered rock and outcrop habitats
  • H4 : Snow or ice-dominated habitats
    
  • H5 : Miscellaneous inland habitats with very sparse or no vegetation
    
  • H6 : Recent volcanic features
    
    • H6.1 : Active volcanic features
    • H6.2 : Inactive recent volcanic features
• I : Regularly or recently cultivated agricultural, horticultural and domestic habitats
  
• J : Constructed, industrial and other artificial habitats
  
• X : Habitat complexes