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
      • C2.11 : 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
    
    • C3.1 : Species-rich helophyte beds
      •  C3.11 : Beds of small helophytes of fast-flowing waters
    • C3.2 : Water-fringing reedbeds and tall helophytes other than canes
    • C3.3 : Water-fringing beds of tall canes
    • C3.4 : Species-poor beds of low-growing water-fringing or amphibious vegetation
    • C3.5 : Periodically inundated shores with pioneer and ephemeral vegetation
    • C3.6 : Unvegetated or sparsely vegetated shores with soft or mobile sediments
    • C3.7 : Unvegetated or sparsely vegetated shores with non-mobile substrates
    •  C3.8 : Inland spray- and steam-dependent habitats
• 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
    
  • E6 : Inland salt steppes
    
  • E7 : Sparsely wooded grasslands
    
    •  E7.1 : Atlantic parkland
    •  E7.2 : Sub-continental parkland
    •  E7.3 : Dehesa
• F : Heathland, scrub and tundra
  
  • F1 : Tundra
    
  • F2 : Arctic, alpine and subalpine scrub
    
  • 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
    
    • F5.1 : Arborescent matorral
    • F5.2 : Maquis
    • F5.3 : Pseudomaquis
    •  F5.4 : [Spartium junceum] fields
    • F5.5 : Thermo-Mediterranean scrub
  • F6 : Garrigue
    
  • F7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
  • F8 : Thermo-Atlantic xerophytic scrub
    
    • F8.1 : Canary Island xerophytic scrub
    • F8.2 : Madeiran 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
      • H2.61 : Peri-Alpine thermophilous screes
        •  H2.611 : Rough-grass screes
        • H2.612 : Submontane calcareous screes
        •  H2.613 : Paris Basin screes
      •  H2.62 : Cevenno-Provençal screes
      •  H2.63 : Pyrenean calcareous screes
      •  H2.64 : Oro-Cantabrian calcareous screes
      •  H2.65 : Iberian calciphile fern screes
      •  H2.66 : Southern Iberian calcareous screes
      •  H2.67 : Central Mediterranean calcareous screes
      •  H2.68 : Eastern Mediterranean limestone screes
      •  H2.69 : Eastern Mediterranean serpentine screes
      •  H2.6A : Cyprian screes
      • H2.6B : Illyrian montane calcareous screes
      •  H2.6C : Illyrian sub-Mediterranean screes
      •  H2.6D : Illyrian montane serpentine screes
      •  H2.6E : Illyrian [Achnatherum calamagrostis] screes
      •  H2.6F : Anatolian calcareous screes
      •  H2.6G : Eastern Carpathian calcareous thermophilous screes
  • 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
    
    • 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