EUNIS habitat type hierarchical view

• A : Marine habitats
  
  • A1 : Littoral rock and other hard substrata
    
  • A2 : Littoral sediment
    
  • A3 : Infralittoral rock and other hard substrata
    
  • A4 : Circalittoral rock and other hard substrata
    
  • A5 : Sublittoral sediment
    
  • A6 : Deep-sea bed
    
  • A7 : Pelagic water column
    
  • A8 : Ice-associated 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
  
• 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
    
  • F5 : Maquis, arborescent matorral and thermo-Mediterranean brushes
    
  • 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
    
    •  FB.1 : Shrub plantations for whole-plant harvesting
    • FB.2 : Shrub plantations for leaf or branch harvest
      •  FB.21 : Tea plantations
      •  FB.22 : Osier beds
    • 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
    
  • 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
    • G2.9 : Evergreen orchards and groves
  • G3 : Coniferous woodland
    
    • G3.1 : [Abies] and [Picea] woodland
    • G3.2 : Alpine [Larix] - [Pinus cembra] woodland
    • G3.3 : [Pinus uncinata] woodland
    • G3.4 : [Pinus sylvestris] woodland south of the taiga
      • G3.41 : Caledonian forest
      • G3.42 : Middle European [Pinus sylvestris] forests
      •  G3.43 : Inner-Alpine [Ononis] steppe forests
      • G3.44 : Spring heath [Pinus sylvestris] forests
      •  G3.45 : Inner Alpine [Minuartia laricifolia] steppe forests
      • G3.46 : Pyrenean mesophile [Pinus sylvestris] forests
      •  G3.47 : Central Massif [Pinus sylvestris] forests
      •  G3.48 : Southwestern Alpine mesophile [Pinus sylvestris] forests
      •  G3.49 : Supra-Mediterranean [Pinus sylvestris] forests
      • G3.4A : Iberian calcareous [Pinus sylvestris] woods
      • G3.4B : Iberian silicicolous [Pinus sylvestris] forests
      • G3.4C : Southeastern European [Pinus sylvestris] forests
      •  G3.4D : Po terrace [Pinus sylvestris] forests
      •  G3.4E : Ponto-Caucasian [Pinus sylvestris] forests
      •  G3.4F : European [Pinus sylvestris] reforestation
    • G3.5 : [Pinus nigra] woodland
    • G3.6 : Subalpine mediterranean [Pinus] woodland
    • G3.7 : Lowland to montane mediterranean [Pinus] woodland (excluding [Pinus nigra])
    • G3.8 : Canary Island [Pinus canariensis] woodland
    • G3.9 : Coniferous woodland dominated by [Cupressaceae] or [Taxaceae]
    • G3.A : [Picea] taiga woodland
    • G3.B : [Pinus] taiga woodland
      • G3.B1 : [Calluna vulgaris] - [Empetrum] western taiga
      •  G3.B2 : [Vaccinium vitis-idaea] [Pinus] and [Picea] - [Pinus] taiga
      •  G3.B3 : Herb-rich and grassy pine taiga
      • G3.B4 : Lichen [Pinus] taiga
    • G3.C : [Larix] taiga woodland
    • G3.D : Boreal bog conifer woodland
    • G3.E : Nemoral bog conifer woodland
    • G3.F : Highly artificial coniferous plantations
  • 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
    
    •  H1.1 : Cave entrances
    • H1.2 : Cave interiors
      • H1.21 : Troglobiont vertebrate caves
      • H1.22 : Subtroglophile vertebrate caves
        •  H1.221 : Continental subtroglophile vertebrate caves
        •  H1.222 : Insular subtroglophile vertebrate caves
      • H1.23 : Troglobiont invertebrate caves
      •  H1.24 : Troglophile invertebrate caves
      •  H1.25 : Subtroglophile invertebrate caves
      •  H1.26 : Caves without vertebrates or invertebrates
    •  H1.3 : Dark underground passages
    • H1.4 : Lava tubes
    • H1.5 : 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