EUNIS habitat type hierarchical view

• A : Marine habitats
  
• B : Coastal habitats
  
• 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
  
  • D1 : Raised and blanket bogs
    
    • D1.1 : Raised bogs
    • D1.2 : Blanket bogs
  • D2 : Valley mires, poor fens and transition mires
    
  • D3 : Aapa, palsa and polygon mires
    
    • D3.1 : Palsa mires
    • D3.2 : Aapa mires
    • D3.3 : Polygon mires
      •  D3.31 : Polygon mire ridges
      •  D3.32 : Polygon mire hollows
  • D4 : Base-rich fens and calcareous spring mires
    
    • D4.1 : Rich fens, including eutrophic tall-herb fens and calcareous flushes and soaks
    • D4.2 : Basic mountain flushes and streamsides, with a rich arctic-montane flora
      •  D4.21 : Arctoalpine [Kobresia simpliciuscula] and [Carex microglochin] swards
      •  D4.22 : Alpine riverine [Carex maritima] ([Carex incurva]) swards
      •  D4.23 : Arctoalpine riverine [Equisetum], [Typha] and [Juncus] swards
      •  D4.24 : British mica flushes
      •  D4.25 : Boreal [Carex atrofusca] swards
      • D4.26 : Boreal marsh-fens
  • D5 : Sedge and reedbeds, normally without free-standing water
    
  • D6 : Inland saline and brackish marshes and reedbeds
    
• E : Grasslands and lands dominated by forbs, mosses or lichens
  
  • E1 : Dry grasslands
    
  • E2 : Mesic grasslands
    
  • 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
    
  • F4 : Temperate shrub heathland
    
  • F5 : Maquis, arborescent matorral and thermo-Mediterranean brushes
    
  • F6 : Garrigue
    
  • F7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
    • F7.1 : West Mediterranean spiny heaths
    • F7.2 : Central Mediterranean spiny heaths
      •  F7.21 : Sardinian [Centaurea horrida] phrygana
      •  F7.22 : Sardinian [Genista acanthoclada] phrygana
      •  F7.23 : Corsican and Sardinian [Genista] phrygana
      •  F7.24 : Pantelleria phrygana
      •  F7.25 : Central Mediterranean [Sarcopoterium] phrygana
      •  F7.26 : [Hypericum aegyptiacum] phrygana
    • F7.3 : East Mediterranean phrygana
    • F7.4 : Hedgehog-heaths
  • F8 : Thermo-Atlantic xerophytic scrub
    
    • F8.1 : Canary Island xerophytic scrub
    • F8.2 : Madeiran xerophytic scrub
  • F9 : Riverine and fen scrubs
    
  • FA : Hedgerows
    
    •  FA.1 : Hedgerows of non-native species
    •  FA.2 : Highly-managed hedgerows of native species
    •  FA.3 : Species-rich hedgerows of native species
    •  FA.4 : Species-poor hedgerows of native species
  • 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
    
  • 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
  
  • 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