EUNIS habitat type hierarchical view (marine version 2022 & terrestrial version 2021)

The EUNIS habitat classification review is on-going. Four groups are pending review: Inland waters, Wetlands, Constructed, industrial and other artificial habitats and Complexes.

• M : Marine benthic habitats (MA-MG)
  
• MH : Pelagic water column
  
• MJ : Ice-associated marine habitats
  
• N : Coastal habitats
  
• R : Grasslands and lands dominated by forbs, mosses or lichens
  
• S : Heathland, scrub and tundra
  
• T : Forest and other wooded land
  
  • T1 : Deciduous broadleaved forest
    
  • T2 : Broadleaved evergreen forest
    
  • T3 : Coniferous forest
    
    • T31 : Temperate mountain Picea forest
      
    • T32 : Temperate mountain Abies forest
      
    • T33 : Mediterranean mountain Abies forest
      
      • T331 : Southern Apennine Abies alba forests
        
      • T332 : Balkano-Pontic Abies forests
        
      • T333 : Aegean Abies forests
        
      • T334 : Abies pinsapo forests
        
      • T335 : Relict Abies nebrodensis stands
        
    • T34 : Temperate subalpine Larix, Pinus cembra and Pinus uncinata forest
      
    • T35 : Temperate continental Pinus sylvestris forest
      
    • T36 : Temperate and submediterranean montane Pinus sylvestris-Pinus nigra forest
      
    • T37 : Mediterranean montane Pinus sylvestris-Pinus nigra forest
      
    • T38 : Mediterranean montane Cedrus forest
      
    • T39 : Mediterranean and Balkan subalpine Pinus heldreichii-Pinus peuce forest
      
    • T3A : Mediterranean lowland to submontane Pinus forest
      
      • T3A1 : Maritime Pinus pinaster ssp. atlantica forests
        
      • T3A2 : Pinus pinaster ssp. pinaster (Pinus mesogeensis) forests
        
        • T3A21 : Iberian mesogean pine forests
          
        • T3A22 : Corbi
          
        • T3A23 : Franco-Italian mesogean pine forests
          
        • T3A24 : Corsican mesogean pine forests
          
        • T3A25 : Sardinian mesogean pine forests
          
        • T3A26 : Pantellerian mesogean pine forests
          
      • T3A3 : Pinus pinea forests
        
      • T3A4 : Pinus halepensis forests
        
      • T3A5 : Pinus brutia forests
        
    • T3B : Pinus canariensis forest
      
    • T3C : Taxus baccata forest
      
    • T3D : Mediterranean Cupressaceae forest
      
      • T3D1 : Western Palaearctic Cupressus forests
        
      • T3D2 : Tetraclinis articulata forests
        
      • T3D3 : Hyrcanian Platycladus orientalis (Thuja orientalis) forests
        
      • T3D4 : Juniperus oxycedrus forests
        
      • T3D5 : Juniperus phoenicea forests
        
      • T3D6 : Spanish Juniperus thurifera forests
        
        • T3D61 : Iberian Spanish juniper forests
          
        • T3D62 : Guadarraman Spanish juniper forests
          
        • T3D63 : Cantabrian Spanish juniper forests
          
        • T3D64 : Monegros Spanish juniper forests
          
        • T3D65 : Manchegan Spanish juniper forests
          
        • T3D66 : Baetic Spanish juniper forests
          
        • T3D67 : Pyrenean Spanish juniper forests
          
        • T3D68 : Southern Alpine Spanish juniper forests
          
        • T3D69 : Is
          
        • T3D6A : Corsican Spanish juniper forests
          
      • T3D7 : Greek Juniperus excelsa forests
        
      • T3D8 : Juniperus foetidissima forests
        
      • T3D9 : Juniperus drupacea forests
        
    • T3E : Macaronesian Juniperus forest
      
    • T3F : Dark taiga
      
    • T3G : Pinus sylvestris light taiga
      
    • T3H : Larix light taiga
      
    • T3J : Pinus and Larix mire forest
      
    • T3K : Picea mire forest
      
    • T3L : Coniferous self sown forest of non site-native trees
      
    • T3M : Coniferous plantation of non site-native trees
      
    • T3N : Coniferous plantation of site-native trees
      
      • T3N1 : Native fir, spruce, larch, cedar plantations
        
      • T3N2 : Native pine plantations
        
      • T3N3 : Native cypress, juniper, yew plantations
        
  • T4 : Lines of trees, small anthropogenic forests, recently felled forest, early-stage forest and coppice
    
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats