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
  
  • R1 : Dry grasslands
    
  • R2 : Mesic grasslands
    
  • R3 : Seasonally wet and wet grasslands
    
  • R4 : Alpine and subalpine grasslands
    
  • R5 : Forest fringes and clearings and tall forb stands
    
  • R6 : Inland salt steppes and salt marshes
    
  • R7 : Sparsely wooded grasslands
    
• S : Heathland, scrub and tundra
  
  • S1 : Tundra
    
    • S11 : 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
    
    • S51 : Mediterranean maquis and arborescent matorral
      
    • S52 : Submediterranean pseudomaquis
      
      • S521 : Helleno-Balkanic pseudomaquis
        
      • S522 : Italo-French pseudomaquis
        
      • S523 : Iberian pseudomaquis
        
      • S524 : Western Asian pseudomaquis
        
    • S53 : Spartium junceum scrub
      
    • S54 : Thermomediterranean arid scrub
      
  • S6 : Garrigue
    
  • S7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
    • S71 : Western Mediterranean spiny heath
      
    • S72 : Eastern Mediterranean spiny heath (phrygana)
      
    • S73 : Western Mediterranean mountain hedgehog-heath
      
    • S74 : Central Mediterranean mountain hedgehog-heath
      
    • S75 : Eastern Mediterranean mountain hedgehog-heath
      
      • S751 : Helleno-Balkanic sylvatic Astragalus hedgehog-heaths
        
      • S752 : Hellenic oro-Mediterranean hedgehog-heaths
        
      • S753 : Hellenic alti-Mediterranean hedgehog-heaths
        
      • S754 : Cretan hedgehog-heaths
        
      • S755 : Aegean summital hedgehog-heaths
        
      • S756 : Southern Hellenic Genista acanthoclada hedgehog-heaths
        
      • S757 : Astragalus sempervirens hedgehog-heaths
        
      • S758 : Cyprian hedgehog-heaths
        
      • S759 : Mediterraneo-Anatolian hedgehog-heaths
        
      • S75A : Western central Eurasian hedgehog-heaths
        
    • S76 : Canarian mountain hedgehog-heath
      
  • S8 : Thermo-Atlantic xerophytic scrub
    
  • S9 : Riverine and fen scrubs
    
    • S91 : Temperate riparian scrub
      
      • S911 : Orogenous riverine brush
        
      • S912 : Lowland and collinar riverine Salix scrub
        
        • S9121 : Almond willow-osier scrub
          
        • S9122 : Western Mediterranean purple willow scrub
          
        • S9123 : Balkan riverine willow scrub
          
        • S9124 : Ibero-montane riverine willow scrub
          
        • S9125 : Cantabrian willow scrub
          
        • S9126 : Iberian sage-leaved willow scrub
          
        • S9127 : Pedicellated willow scrub
          
        • S9128 : Continental riverine willow scrub
          
        • S9129 : Boreal riverine willow scrub
          
      • S913 : Montane river gravel low brush
        
      • S914 : Gravel bank thickets and forests
        
    • S92 : Salix fen scrub
      
    • S93 : Mediterranean riparian scrub
      
    • S94 : Semi-desert riparian scrub
      
• T : Forest and other wooded land
  
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats