EUNIS habitat type hierarchical view

• A : Marine habitats
  
• B : Coastal habitats
  
• C : Inland surface waters
  
  • C1 : Surface standing waters
    
  • C2 : Surface running waters
    
  • C3 : Littoral zone of inland surface waterbodies
    
• D : Mires, bogs and fens
  
  • D1 : Raised and blanket bogs
    
  • D2 : Valley mires, poor fens and transition mires
    
    • D2.1 : Valley mires
    • D2.2 : Poor fens and soft-water spring mires
    • D2.3 : Transition mires and quaking bogs
      • D2.31 : [Carex lasiocarpa] swards
      •  D2.32 : [Carex diandra] quaking mires
      • D2.33 : [Carex rostrata] quaking mires
      • D2.34 : [Carex limosa] swards
      •  D2.35 : [Carex chordorrhiza] swards
      •  D2.36 : [Carex heleonastes] swards
      •  D2.37 : [Rhynchospora alba] quaking bogs
      •  D2.38 : [Sphagnum] and [Eriophorum] rafts
      • D2.39 : [Menyanthes trifoliata] and [Potentilla palustris] rafts
      •  D2.3A : [Calla palustris] mires
      •  D2.3B : Brown moss carpets
      •  D2.3C : [Eriophorum vaginatum] quaking bogs
      •  D2.3D : [Molinia caerulea] quaking bogs
      •  D2.3E : [Calamagrostis stricta] quaking bogs
      •  D2.3F : [Scirpus hudsonianus] ([Trichophorum alpinum]) quaking bogs
      •  D2.3G : Iberian quaking bogs
      • D2.3H : Wet, open, acid peat and sand, with [Rhynchospora alba] and [Drosera]
        •  D2.3H1 : Nemoral bare peat communities
        •  D2.3H2 : Boreal mud-bottom communities
      •  D2.3I : Balkanic quaking bogs
  • D3 : Aapa, palsa and polygon mires
    
  • D4 : Base-rich fens and calcareous spring mires
    
  • 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
    
    • E4.1 : Vegetated snow-patch
    • E4.2 : Moss and lichen dominated mountain summits, ridges and exposed slopes
    • E4.3 : Acid alpine and subalpine grassland
      • E4.31 : Alpic [Nardus stricta] swards and related communities
      •  E4.32 : Oroboreal acidocline grassland
      • E4.33 : Thermo-Alpigenous subalpine acidophilous grassland
      • E4.34 : Alpigenous acidophilous grassland
      •  E4.35 : Oro-Hellenic closed grassland
      • E4.36 : Oro-Iberian acidophilous grassland
      •  E4.37 : Oro-Corsican grassland
      •  E4.38 : Oro-Apennine closed grassland
      • E4.39 : Oro-Moesian acidophilous grassland
      •  E4.3A : Western Asian acidophilous alpine grassland
      •  E4.3B : Illyrian alpine and subalpine acid open grasslands
    • E4.4 : Calcareous alpine and subalpine grassland
    • E4.5 : Alpine and subalpine enriched grassland
  • E5 : Woodland fringes and clearings and tall forb stands
    
  • E6 : Inland salt steppes
    
  • E7 : Sparsely wooded grasslands
    
• F : Heathland, scrub and tundra
  
• G : Woodland, forest and other wooded land
  
  • G1 : Broadleaved deciduous woodland
    
    • G1.1 : Riparian and gallery woodland, with dominant [Alnus], [Betula], [Populus] or [Salix]
    • G1.2 : Mixed riparian floodplain and gallery woodland
    • G1.3 : Mediterranean riparian woodland
    • G1.4 : Broadleaved swamp woodland not on acid peat
      • G1.41 : [Alnus] swamp woods not on acid peat
      •  G1.42 : [Quercus] swamp woods
      •  G1.43 : [Populus tremula] swamp woods
      •  G1.44 : Wet-ground woodland of the Black and Caspian Seas
    • G1.5 : Broadleaved swamp woodland on acid peat
    • G1.6 : [Fagus] woodland
    • G1.7 : Thermophilous deciduous woodland
    • G1.8 : Acidophilous [Quercus]-dominated woodland
    • G1.9 : Non-riverine woodland with [Betula], [Populus tremula] or [Sorbus aucuparia]
    • G1.A : Meso- and eutrophic [Quercus], [Carpinus], [Fraxinus], [Acer], [Tilia], [Ulmus] and related woodland
    • G1.B : Non-riverine [Alnus] woodland
    • G1.C : Highly artificial broadleaved deciduous forestry plantations
    • G1.D : Fruit and nut tree orchards
  • G2 : Broadleaved evergreen woodland
    
    • G2.1 : Mediterranean evergreen [Quercus] woodland
      • G2.11 : [Quercus suber] woodland
      • G2.12 : [Quercus ilex] woodland
      • G2.13 : [Quercus coccifera] and [Quercus alnifolia] 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
    
  • 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
  
  • I1 : Arable land and market gardens
    
  • I2 : Cultivated areas of gardens and parks
    
• J : Constructed, industrial and other artificial habitats
  
  • J1 : Buildings of cities, towns and villages
    
  • J2 : Low density buildings
    
    •  J2.1 : Scattered residential buildings
    •  J2.2 : Rural public buildings
    • J2.3 : Rural industrial and commercial sites still in active use
    • J2.4 : Agricultural constructions
    • J2.5 : Constructed boundaries
    • J2.6 : Disused rural constructions
    •  J2.7 : Rural construction and demolition sites
  • J3 : Extractive industrial sites
    
    •  J3.1 : Active underground mines
    •  J3.2 : Active opencast mineral extraction sites, including quarries
    •  J3.3 : Recently abandoned above-ground spaces of 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