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
  
• S : Heathland, scrub and tundra
  
  • S1 : Tundra
    
  • S2 : Arctic, alpine and subalpine scrub
    
  • S3 : Temperate and mediterranean-montane scrub
    
    • S31 : Lowland to montane temperate and submediterranean Juniperus scrub
      
      • S311 : Juniper downs
        
      • S312 : Sub-Atlantic juniper heaths
        
      • S313 : Juniper-wood sorrel forests
        
      • S314 : Sub-Mediterranean common juniper thickets
        
      • S315 : Inland dune juniper scrubs
        
    • S32 : Temperate Rubus scrub
      
    • S33 : Lowland to montane temperate and submediterranean genistoid scrub
      
    • S34 : Balkan-Anatolian submontane genistoid scrub
      
    • S35 : Temperate and submediterranean thorn scrub
      
      • S351 : Medio-European rich-soil thickets
        
      • S352 : Buxus sempervirens thickets
        
      • S353 : Atlantic poor soil thickets
        
      • S354 : Inland dune thickets
        
        • S3541 : Inland dune mixed thickets
          
      • S355 : Southwestern sub-mediterranean deciduous thickets
        
        • S3551 : Franco-Iberian sub-Mediterranean deciduous thickets
          
        • S3552 : Western Iberian sub-Mediterranean deciduous thickets
          
        • S3553 : Central Iberian sub-Mediterranean deciduous thickets
          
        • S3554 : Oro-Baetic sub-Mediterranean deciduous thickets
          
        • S3555 : North African sub-Mediterranean deciduous thickets
          
      • S356 : Tyrrhenian sub-mediterranean deciduous thickets
        
      • S357 : Subcontinental and continental deciduous thickets
        
    • S36 : Low steppic scrub
      
    • S37 : Corylus avellana scrub
      
    • S38 : Temperate forest clearing scrub
      
  • S4 : Temperate shrub heathland
    
    • S41 : Wet heath
      
    • S42 : Dry heath
      
    • S43 : Macaronesian heath
      
  • 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
  
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats