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
  
  • MJ1 : Sea ice
    
  • MJ2 : Freshwater ice
    
  • MJ3 : Brine channels
    
  • MJ4 : Under-ice habitat
    
    • MJ41 : Arctic under-ice habitat
      
    • MJ42 : Baltic under-ice habitat
      
• 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
      
    • 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
        
        • S3511 : Blackthorn-bramble scrub
          
        • S3512 : Blackthorn-privet scrub
          
      • S352 : Buxus sempervirens thickets
        
      • S353 : Atlantic poor soil thickets
        
      • S354 : Inland dune thickets
        
      • S355 : Southwestern 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
    
  • S5 : Maquis, arborescent matorral and thermo-Mediterranean scrub
    
  • S6 : Garrigue
    
    • S61 : Western basiphilous garrigue
      
      • S611 : Western Quercus coccifera garrigues
        
      • S612 : Western Rosmarinus officinalis garrigues
        
      • S613 : Western Cistus garrigues
        
      • S614 : Western Euphorbia garrigues
        
        • S6141 : Euphorbia spinosa or Euphorbia melitensis cushion garrigues
          
        • S6142 : Unarmed spurge garrigues
          
      • S615 : Western Juniperus oxycedrus garrigues
        
      • S616 : Western Lavandula garrigues
        
      • S617 : Western Teucrium and other labiate garrigues
        
      • S618 : Western Genista garrigues
        
      • S619 : Western Calicotome garrigues
        
      • S61A : Western composite garrigues
        
      • S61B : Western Erica garrigues
        
      • S61C : Western Globularia garrigues
        
      • S61D : Western Helianthemum and Fumana garrigues
        
      • S61E : Lithodora fruticosa garrigues
        
      • S61F : Western Thymelaea garrigues
        
      • S61G : Western Ononis fruticosa garrigues
        
      • S61H : Western Anthyllis cytisoides garrigues
        
      • S61J : Western Dictamnus garrigues
        
      • S61K : Lavandula angustifolia garrigues
        
      • S61L : Genista cinerea garrigues
        
      • S61M : Ibero-Gallic supra-Mediterranean dwarf-shrub garrigues
        
      • S61N : Supra-Mediterranean Buxus sempervirens scrub
        
      • S61P : Italian supra-Mediterranean garrigues
        
    • S62 : Western acidophilous garrigue
      
    • S63 : Eastern garrigue
      
    • S64 : Macaronesian garrigue
      
    • S65 : Mediterranean gypsum scrub
      
    • S66 : Mediterranean halo-nitrophilous scrub
      
    • S67 : Aralo-Caspian semi-desert
      
    • S68 : Semi-desert sand dune with sparse scrub
      
  • S7 : Spiny Mediterranean heaths (phrygana, hedgehog-heaths and related coastal cliff vegetation)
    
  • S8 : Thermo-Atlantic xerophytic scrub
    
  • S9 : Riverine and fen scrubs
    
    • S91 : Temperate riparian scrub
      
    • 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