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
    
    • Q11 : Raised bog
      
    • Q12 : Blanket bog
      
    • Q13 : Ombrotrophic percolation mire
      
  • Q2 : Valley mires, poor fens and transition mires
    
  • Q3 : Palsa mires
    
  • Q4 : Base-rich fens and calcareous spring mires
    
  • Q5 : Helophyte beds
    
    • Q51 : Tall-helophyte bed
      
    • Q52 : Small-helophyte bed
      
    • Q53 : Tall-sedge bed
      
      • Q531 : Beds of large Carex species
        
        • Q5311 : Brown sedge beds
          
        • Q5312 : Slender tufted sedge beds and related communities
          
        • Q5313 : Greater pond sedge beds
          
        • Q5314 : Bottle, bladder and slender sedge beds
          
        • Q5315 : Tufted sedge and sward sedge tussocks
          
        • Q5316 : Greater tussock sedge tussocks
          
        • Q5317 : Smaller tussock sedge tussocks
          
        • Q5318 : Cyperus sedge tussocks
          
        • Q5319 : Fox sedge tussocks
          
        • Q531A : Club sedge beds
          
        • Q531B : Icelandic sedge beds
          
      • Q532 : Tall Cyperus beds, other than Cyperus papyrus
        
      • Q533 : Cyperus papyrus swamps
        
      • Q534 : Fen Cladium mariscus beds
        
      • Q535 : Valencia Cladium islands
        
    • Q54 : Inland saline or brackish helophyte bed
      
  • 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