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
  
  • MJ1 : Sea ice
    
  • MJ2 : Freshwater ice
    
  • MJ3 : Brine channels
    
  • MJ4 : Under-ice habitat
    
• N : Coastal habitats
  
• Q : Wetlands
  
• R : Grasslands and lands dominated by forbs, mosses or lichens
  
• S : Heathland, scrub and tundra
  
  • S1 : Tundra
    
    • S11 : Shrub tundra
      
      • S111 : Western shrub tundra
        
    • S12 : Moss and lichen tundra
      
  • S2 : Arctic, alpine and subalpine scrub
    
  • S3 : Temperate and mediterranean-montane scrub
    
  • S4 : Temperate shrub heathland
    
  • S5 : Maquis, arborescent matorral and thermo-Mediterranean scrub
    
  • S6 : Garrigue
    
  • S7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
  • S8 : Thermo-Atlantic xerophytic scrub
    
  • S9 : Riverine and fen scrubs
    
• T : Forest and other wooded land
  
  • T1 : Deciduous broadleaved forest
    
  • T2 : Broadleaved evergreen forest
    
    • T21 : Mediterranean evergreen Quercus forest
      
    • T22 : Mainland laurophyllous forest
      
      • T221 : Mediterraneo-Atlantic Laurus - Quercus forest
        
      • T222 : Ponto-Hyrcanian sclerophyllous forests
        
    • T23 : Macaronesian laurophyllous forest
      
    • T24 : Olea europaea-Ceratonia siliqua forest
      
      • T241 : Wild Olea europaea forest
        
      • T242 : Ceratonia siliqua forest
        
      • T243 : Canary Island Olea europaea 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
    
    • T31 : Temperate mountain Picea forest
      
    • T32 : Temperate mountain Abies forest
      
    • T33 : Mediterranean mountain Abies forest
      
    • 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
        
      • T3A3 : Pinus pinea forests
        
      • T3A4 : Pinus halepensis forests
        
        • T3A41 : Iberian Pinus halepensis forests
          
        • T3A42 : Balearic Aleppo pine forests
          
        • T3A43 : Proven
          
        • T3A44 : Corsican Pinus halepensis forests
          
        • T3A45 : Sardinian Pinus halepensis forests
          
        • T3A46 : Sicilian Pinus halepensis forests
          
        • T3A47 : Italic Pinus halepensis forests
          
        • T3A48 : Hellenic Pinus halepensis forests
          
        • T3A49 : Illyrian Pinus halepensis forests
          
        • T3A4A : East Mediterranean Pinus halepensis forests
          
      • T3A5 : Pinus brutia forests
        
    • T3B : Pinus canariensis forest
      
    • T3C : Taxus baccata forest
      
      • T3C1 : Western Palaearctic Taxus baccata forests
        
    • T3D : Mediterranean Cupressaceae forest
      
    • 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
      
  • 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