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
    •  C2.5 : 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
    
    • E1.1 : Inland sand and rock with open vegetation
    • E1.2 : Perennial calcareous grassland and basic steppes
    • E1.3 : Mediterranean xeric grassland
    • E1.4 : Mediterranean tall-grass and [Artemisia] steppes
    • E1.5 : Mediterranean-montane grassland
    • E1.6 : Subnitrophilous annual grassland
    • E1.7 : Closed non-Mediterranean dry acid and neutral grassland
    • E1.8 : Closed Mediterranean dry acid and neutral grassland
    • E1.9 : Open non-Mediterranean dry acid and neutral grassland, including inland dune grassland
    • E1.A : Open Mediterranean dry acid and neutral grassland
    • E1.B : Heavy-metal grassland
    • E1.C : Dry mediterranean lands with unpalatable non-vernal herbaceous vegetation
    •  E1.D : Unmanaged xeric grassland
    •  E1.E : Trampled xeric grasslands with annuals
  • 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
      •  E2.61 : Dry or moist agriculturally-improved grassland
      •  E2.62 : Wet agriculturally-improved grassland, often with drainage ditches
      •  E2.63 : Turf sports fields
      •  E2.64 : Park lawns
      •  E2.65 : Small-scale 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
    
• F : Heathland, scrub and tundra
  
  • F1 : Tundra
    
  • F2 : Arctic, alpine and subalpine scrub
    
  • F3 : Temperate and mediterranean-montane scrub
    
    • F3.1 : Temperate thickets and scrub
    • F3.2 : Submediterranean deciduous thickets and brushes
      • F3.21 : Montane [Cytisus purgans] fields
      • F3.22 : Southwestern sub-mediterranean deciduous thickets
      •  F3.23 : Tyrrhenian sub-mediterranean deciduous thickets
      • F3.24 : Subcontinental and continental deciduous thickets
      • F3.25 : Piornales
      •  F3.26 : Tyrrhenian broom fields
      •  F3.27 : [Genista aetnensis] stands
      •  F3.28 : Canary Island broom fields
      •  F3.29 : Moesian broom fields
  • F4 : Temperate shrub heathland
    
  • 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
    
  • F9 : Riverine and fen scrubs
    
  • FA : Hedgerows
    
  • FB : Shrub plantations
    
• G : Woodland, forest and other wooded land
  
  • G1 : Broadleaved deciduous woodland
    
  • G2 : Broadleaved evergreen woodland
    
  • 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
      •  H2.51 : Pyreneo-Alpine thermo-siliceous screes
      •  H2.52 : Oro-Cantabrian siliceous screes
      •  H2.53 : Ibero-Pyrenean acidophile fern screes
      •  H2.54 : Carpetano-Iberian siliceous screes
      • H2.55 : Nevadan siliceous screes
      •  H2.56 : Central Mediterranean siliceous screes
      •  H2.57 : Anatolian siliceous screes
      •  H2.58 : Southeast European thermo-siliceous screes
    • H2.6 : Calcareous and ultra-basic screes of warm exposures
      • H2.61 : Peri-Alpine thermophilous 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
    
• I : Regularly or recently cultivated agricultural, horticultural and domestic habitats
  
• J : Constructed, industrial and other artificial habitats
  
• X : Habitat complexes