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
  
  • N1 : Coastal dunes and sandy shores
    
    • N11 : Atlantic, Baltic and Arctic sand beach
      
    • N12 : Mediterranean and Black Sea sand beach
      
    • N13 : Atlantic and Baltic shifting coastal dune
      
    • N14 : Mediterranean, Macaronesian and Black Sea shifting coastal dune
      
    • N15 : Atlantic and Baltic coastal dune grassland (grey dune)
      
    • N16 : Mediterranean and Macaronesian coastal dune grassland (grey dune)
      
    • N17 : Black Sea coastal dune grassland (grey dune)
      
    • N18 : Atlantic and Baltic coastal Empetrum heath
      
    • N19 : Atlantic coastal Calluna and Ulex heath
      
    • N1A : Atlantic and Baltic coastal dune scrub
      
    • N1B : Mediterranean and Black Sea coastal dune scrub
      
    • N1C : Macaronesian coastal dune scrub
      
    • N1D : Atlantic and Baltic broad-leaved coastal dune forest
      
    • N1E : Black Sea broad-leaved coastal dune forest
      
    • N1F : Baltic coniferous coastal dune forest
      
      • N1F1 : Coastal dunes covered with planted Pinus mugo woodland
        
    • N1G : Mediterranean coniferous coastal dune forest
      
    • N1H : Atlantic and Baltic moist and wet dune slack
      
    • N1J : Mediterranean and Black Sea moist and wet dune slack
      
  • N2 : Coastal shingle
    
    • N21 : Atlantic, Baltic and Arctic coastal shingle beach
      
    • N22 : Mediterranean and Black Sea coastal shingle beach
      
  • N3 : Rock cliffs, ledges and shores, including the supralittoral
    
• Q : Wetlands
  
  • Q1 : Raised and blanket bogs
    
  • Q2 : Valley mires, poor fens and transition mires
    
  • Q3 : Palsa mires
    
    • Q31 : Palsa mire
      
  • Q4 : Base-rich fens and calcareous spring mires
    
    • Q41 : Alkaline, calcareous, carbonate-rich small-sedge spring fen
      
    • Q42 : Extremely rich moss-sedge fen
      
    • Q43 : Tall-sedge base-rich fen
      
    • Q44 : Calcareous quaking mire
      
    • Q45 : Arctic-alpine rich fen
      
      • Q451 : Carex saxatilis fens
        
      • Q452 : Carex frigida fens
        
      • Q453 : British Carex demissa - Saxifraga aizoides flushes
        
      • Q454 : Icelandic Carex bigelowii fens
        
      • Q455 : Icelandic Equisetum palustre fens
        
      • Q456 : Arctoalpine Kobresia simpliciuscula and Carex microglochin swards
        
      • Q457 : Alpine riverine Carex maritima (Carex incurva) swards
        
      • Q458 : Arctoalpine riverine Equisetum, Typha and Juncus swards
        
      • Q459 : British mica flushes
        
      • Q45A : Boreal Carex atrofusca swards
        
      • Q45B : Boreal marsh-fens
        
    • Q46 : Carpathian travertine fen with halophytes
      
  • 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
  
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats