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
  
• Q : Wetlands
  
• 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
    
    • T11 : Temperate Salix and Populus riparian forest
      
    • T12 : Alnus glutinosa-Alnus incana forest on riparian and mineral soils
      
      • T121 : Riverine Fraxinus - Alnus forest, wet at high but not at low water
        
      • T122 : Boreal and boreonemoral Alnus forests
        
      • T123 : Nemoral Alnus forests
        
        • T1231 : Atlantic Alnus glutinosa forests
          
        • T1232 : Central European dry alder forests
          
        • T1233 : Sarmatic dry alder forests
          
        • T1234 : Rhodopide grey alder forests
          
    • T13 : Temperate hardwood riparian forest
      
    • T14 : Mediterranean and Macaronesian riparian forest
      
      • T141 : Mediterranean and Macaronesian Salix forest
        
        • T1411 : Mediterranean tall Salix galleries
          
        • T1412 : Canary Island Salix galleries
          
      • T142 : Mediterranean riparian Populus forests
        
      • T143 : Mediterranean riparian Ulmus forests
        
      • T144 : Mediterranean riparian Fraxinus forests
        
      • T145 : Mediterranean riverine Ostrya carpinifolia galleries
        
      • T146 : Mediterraneo-Pontic riverine Fraxinus forests
        
      • T147 : Ponto-Sarmatic mixed Populus riverine forests
        
      • T148 : Irano-Anatolian mixed riverine forests
        
      • T149 : Platanus orientalis forests
        
      • T14A : Liquidambar orientalis forests
        
      • T14B : Southern Alnus and Betula galleries
        
    • T15 : Broadleaved swamp forest on non-acid peat
      
    • T16 : Broadleaved mire forest on acid peat
      
      • T161 : Sphagnum Betula forests
        
      • T162 : Alnus swamp forests on acid peat
        
    • T17 : Fagus forest on non-acid soils
      
    • T18 : Fagus forest on acid soils
      
    • T19 : Temperate and submediterranean thermophilous deciduous forest
      
    • T1A : Mediterranean thermophilous deciduous forest
      
    • T1B : Acidophilous Quercus forest
      
    • T1C : Temperate and boreal mountain Betula and Populus tremula forest on mineral soils
      
    • T1D : Southern European mountain Betula and Populus tremula forest on mineral soils
      
    • T1E : Carpinus and Quercus mesic deciduous forest
      
    • T1F : Ravine forest
      
      • T1F1 : Medio-European ravine forests
        
      • T1F2 : Hercynian slope forests
        
      • T1F3 : Peri-Alpine mixed Fraxinus - Acer pseudoplatanus slope forests
        
      • T1F4 : Pyreneo-Cantabrian mixed Ulmus - Quercus forests
        
      • T1F5 : Thermophilous Alpine and peri-Alpine mixed Tilia forests
        
      • T1F6 : Southeastern European ravine forests
        
      • T1F7 : Euxinian ravine forests
        
    • T1G : Alnus cordata forest
      
    • T1H : Broadleaved deciduous plantation of non site-native trees
      
      • T1H1 : Populus plantations
        
      • T1H2 : Deciduous exotic Quercus plantations
        
      • T1H3 : Robinia plantations
        
      • T1H4 : Other broadleaved deciduous plantations
        
    • T1J : Deciduous self sown forest of non site-native trees
      
    • T1K : Broadleaved deciduous plantation of site-native trees
      
  • T2 : Broadleaved evergreen forest
    
    • T21 : Mediterranean evergreen Quercus forest
      
    • T22 : Mainland laurophyllous forest
      
    • T23 : Macaronesian laurophyllous forest
      
    • T24 : Olea europaea-Ceratonia siliqua forest
      
    • T25 : Phoenix theophrasti vegetation
      
    • T26 : Phoenix canariensis vegetation
      
    • T27 : Ilex aquifolium forest
      
    • T28 : Macaronesian heathy forest
      
    • T29 : Broadleaved evergreen plantation of non site-native trees
      
    • T2A : Broadleaved evergreen plantation of site-native trees
      
  • T3 : Coniferous forest
    
  • 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