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
    • B1.3 : Shifting coastal 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
      • C2.11 : Soft water springs
      • C2.12 : Hard water springs
      •  C2.13 : Geysers
      • C2.14 : Thermal springs
      •  C2.15 : Saline springs
      •  C2.16 : Crenal streams (spring brooks)
      •  C2.17 : Thermal spring brooks
      •  C2.18 : Acid oligotrophic vegetation of spring brooks
      •  C2.19 : Lime-rich oligotrophic vegetation of spring brooks
      •  C2.1A : Mesotrophic vegetation of spring brooks
      •  C2.1B : Eutrophic vegetation of spring brooks
    • 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
  
• 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