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
    
    • E2.1 : Permanent mesotrophic pastures and aftermath-grazed meadows
    • E2.2 : Low and medium altitude hay meadows
    • E2.3 : Mountain hay meadows
    • E2.4 : Iberian summer pastures (vallicares)
    •  E2.5 : Meadows of the steppe zone
    • E2.6 : Agriculturally-improved, re-seeded and heavily fertilised grassland, including sports fields and grass lawns
    •  E2.7 : Unmanaged mesic grassland
    •  E2.8 : Trampled mesophilous grasslands with annuals
  • E3 : Seasonally wet and wet grasslands
    
  • E4 : Alpine and subalpine grasslands
    
  • E5 : Woodland fringes and clearings and tall forb stands
    
    • E5.1 : Anthropogenic herb stands
    • E5.2 : Thermophile woodland fringes
    • E5.3 : [Pteridium aquilinum] fields
    • E5.4 : Moist or wet tall-herb and fern fringes and meadows
    • E5.5 : Subalpine moist or wet tall-herb and fern stands
  • E6 : Inland salt steppes
    
  • E7 : Sparsely wooded grasslands
    
• F : Heathland, scrub and tundra
  
• 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
      • H3.11 : Middle European montane siliceous cliffs
      • H3.12 : Oro-Iberian siliceous cliffs
      •  H3.13 : Southwestern Alpine siliceous cliffs
      •  H3.14 : Cyrno-Sardinian montane and alpine cliffs
      • H3.15 : Helleno-Carpatho-Balkanic [Silene] siliceous cliffs
      •  H3.16 : Peri-Pyrenean montane siliceous cliffs
      •  H3.17 : Western Iberian siliceous cliffs
      •  H3.18 : West Mediterranean thermophile siliceous cliffs
      •  H3.19 : Lowland northern- and middle-European siliceous cliffs
      •  H3.1A : Boreal siliceous cliffs
      • H3.1B : Bare siliceous inland cliffs
      •  H3.1C : Disused siliceous quarries
    • H3.2 : Basic and ultra-basic inland cliffs
    •  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
    
• I : Regularly or recently cultivated agricultural, horticultural and domestic habitats
  
• J : Constructed, industrial and other artificial habitats
  
• X : Habitat complexes