EUNIS habitat type hierarchical view

• A : Marine habitats
  
• B : Coastal habitats
  
• C : Inland surface waters
  
  • C1 : Surface standing waters
    
    • C1.1 : Permanent oligotrophic lakes, ponds and pools
    • C1.2 : Permanent mesotrophic lakes, ponds and pools
    • C1.3 : Permanent eutrophic lakes, ponds and pools
    • C1.4 : Permanent dystrophic lakes, ponds and pools
      •  C1.41 : Benthic communities of dystrophic waterbodies
      •  C1.42 : Rooted submerged vegetation of dystrophic waterbodies
      •  C1.43 : Rooted floating vegetation of dystrophic waterbodies
      •  C1.44 : Charophyte submerged carpets in dystrophic waterbodies
      •  C1.45 : Peatmoss and [Utricularia] communities of dystrophic waterbodies
      • C1.46 : Raised bog pools
      •  C1.47 : Lagg
    • C1.5 : Permanent inland saline and brackish lakes, ponds and pools
    • C1.6 : Temporary lakes, ponds and pools
    •  C1.7 : Permanent lake ice
  • 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
  
  • 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
      • F4.21 : Submontane [Vaccinium] - [Calluna] heaths
      • F4.22 : Sub-Atlantic [Calluna] - [Genista] heaths
      • F4.23 : Atlantic [Erica] - [Ulex] heaths
      • F4.24 : Ibero-Atlantic [Erica - Ulex - Cistus] heaths
      •  F4.25 : Boreo-Atlantic [Erica cinerea] heaths
      • F4.26 : Inland dune 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
    
  • F9 : Riverine and fen scrubs
    
    • F9.1 : Riverine scrub
    • F9.2 : [Salix] carr and fen scrub
    • F9.3 : Southern riparian galleries and thickets
  • FA : Hedgerows
    
  • FB : Shrub plantations
    
    •  FB.1 : Shrub plantations for whole-plant harvesting
    • FB.2 : Shrub plantations for leaf or branch harvest
    • FB.3 : Shrub plantations for ornamental purposes or for fruit, other than vineyards
    • FB.4 : Vineyards
• 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
      • G1.21 : Riverine [Fraxinus] - [Alnus] woodland, wet at high but not at low water
      • G1.22 : Mixed [Quercus] - [Ulmus] - [Fraxinus] woodland of great rivers
    • G1.3 : Mediterranean riparian woodland
    • G1.4 : Broadleaved swamp woodland not on acid peat
    • 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
    • G2.2 : 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
      •  G2.81 : [Eucalyptus] plantations
      •  G2.82 : Evergreen exotic [Quercus] plantations
      •  G2.83 : Other evergreen broadleaved tree 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
    
    •  G5.1 : Lines of trees
    •  G5.2 : Small broadleaved deciduous anthropogenic woodlands
    •  G5.3 : Small broadleaved evergreen anthropogenic woodlands
    •  G5.4 : Small coniferous anthropogenic woodlands
    •  G5.5 : Small mixed broadleaved and coniferous anthropogenic woodlands
    • G5.6 : Early-stage natural and semi-natural woodlands and regrowth
    • G5.7 : Coppice and early-stage plantations
    • G5.8 : Recently felled areas
• H : Inland unvegetated or sparsely vegetated habitats
  
  • H1 : Terrestrial underground caves, cave systems, passages and waterbodies
    
    •  H1.1 : Cave entrances
    • H1.2 : Cave interiors
    •  H1.3 : Dark underground passages
    • H1.4 : Lava tubes
    • H1.5 : Underground standing waterbodies
      •  H1.51 : Permanent underground standing waterbodies
      •  H1.52 : Temporary underground standing waterbodies
    • H1.6 : Underground running waterbodies
    •  H1.7 : Disused underground mines and tunnels
  • 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
  
• X : Habitat complexes