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
  
  • Q1 : Raised and blanket bogs
    
  • Q2 : Valley mires, poor fens and transition mires
    
  • Q3 : Palsa mires
    
  • Q4 : Base-rich fens and calcareous spring mires
    
  • Q5 : Helophyte beds
    
  • Q6 : Periodically exposed shores
    
• 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
      
      • T311 : Alpine and Carpathian subalpine Picea forests
        
      • T312 : Inner range montane Picea forests
        
      • T313 : Hercynian subalpine Picea forests
        
      • T314 : Southern European Picea abies forests
        
      • T315 : Enclave Picea abies forests
        
      • T316 : Picea omorika forests
        
      • T317 : Picea orientalis forests
        
    • 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
      
      • T361 : Southeastern European Pinus sylvestris forests
        
      • T362 : Po terrace Pinus sylvestris forests
        
      • T363 : Ponto-Caucasian Pinus sylvestris forests
        
      • T364 : Supra-Mediterranean Pinus sylvestris forests
        
      • T365 : Alpino-Apennine Pinus nigra forests
        
      • T366 : Western Balkanic Pinus nigra forests
        
      • T367 : Pinus pallasiana and Pinus banatica forests
        
      • T368 : Pinus sylvestris forest on chalk in the steppe zone
        
      • T369 : Pinus nigra reforestation
        
    • T37 : Mediterranean montane Pinus sylvestris-Pinus nigra forest
      
      • T371 : Iberian calcareous Pinus sylvestris forest
        
      • T372 : Iberian silicicolous Pinus sylvestris forests
        
      • T373 : Pinus salzmannii forests
        
      • T374 : Corsican Pinus laricio forests
        
      • T375 : Calabrian Pinus laricio forests
        
    • T38 : Mediterranean montane Cedrus forest
      
    • T39 : Mediterranean and Balkan subalpine Pinus heldreichii-Pinus peuce forest
      
    • T3A : Mediterranean lowland to submontane Pinus forest
      
    • T3B : Pinus canariensis forest
      
    • T3C : Taxus baccata forest
      
      • T3C1 : Western Palaearctic Taxus baccata forests
        
    • 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
        
      • T3D7 : Greek Juniperus excelsa forests
        
      • T3D8 : Juniperus foetidissima forests
        
      • T3D9 : Juniperus drupacea forests
        
    • T3E : Macaronesian Juniperus forest
      
      • T3E1 : Canary Island juniper forests
        
      • T3E2 : Azorean juniper forests
        
      • T3E3 : Macaronesian Phoenician juniper forests
        
    • T3F : Dark taiga
      
    • T3G : Pinus sylvestris light taiga
      
    • T3H : Larix light taiga
      
      • T3H1 : Larix russica 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