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
    
  • 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
  
  • G1 : Broadleaved deciduous woodland
    
  • G2 : Broadleaved evergreen woodland
    
    • G2.1 : Mediterranean evergreen [Quercus] woodland
    • G2.2 : Eurasian continental sclerophyllous woodland
    • G2.3 : Macaronesian [Laurus] woodland
    • G2.4 : [Olea europaea] - [Ceratonia siliqua] woodland
    • G2.5 : [Phoenix] groves
    •  G2.6 : [Ilex aquifolium] woods
    • G2.7 : Canary Island heath woodland
    • G2.8 : Highly artificial broadleaved evergreen forestry plantations
    • G2.9 : Evergreen orchards and groves
  • G3 : Coniferous woodland
    
  • G4 : Mixed deciduous and coniferous woodland
    
  • G5 : Lines of trees, small anthropogenic woodlands, recently felled woodland, early-stage woodland and coppice
    
• 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
    
    • 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
    
    •  H4.1 : Snow packs
    • H4.2 : Ice caps and true glaciers
    • H4.3 : Rock glaciers and unvegetated ice-dominated moraines
  • 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