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
  
  • MH1 : Neuston
    
  • MH2 : Completely mixed water column with reduced salinity
    
  • MH3 : Completely mixed water column with full salinity
    
  • MH4 : Partially mixed water column with reduced salinity and medium or long residence time
    
  • MH5 : Unstratified water column with reduced salinity
    
  • MH6 : Vertically stratified water column with reduced salinity
    
  • MH7 : Fronts in reduced salinity water column
    
  • MH8 : Unstratified water column with full salinity
    
  • MH9 : Vertically stratified water column with full salinity
    
  • MHA : Fronts in full salinity water column
    
• MJ : Ice-associated marine habitats
  
• N : Coastal habitats
  
• 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
    
  • 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
        
      • 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
    
• T : Forest and other wooded land
  
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats
  
  • V1 : Arable land and market gardens
    
    • V11 : Intensive unmixed crops
      
    • V12 : Mixed crops of market gardens and horticulture
      
      • V121 : Large-scale market gardens and horticulture
        
      • V122 : Small-scale market gardens and horticulture, including allotments
        
    • V13 : Arable land with unmixed crops grown by low-intensity agricultural methods
      
    • V14 : Inundated or inundatable croplands, including rice fields
      
    • V15 : Bare tilled, fallow or recently abandoned arable land
      
      • V151 : Bare tilled land
        
      • V152 : Fallow un-inundated fields with annual weed communities
        
      • V153 : Fallow un-inundated fields with annual and perennial weed communities
        
      • V154 : Fallow inundated fields with annual weed communities
        
      • V155 : Fallow inundated fields with annual and perennial weed communities
        
  • V2 : Cultivated areas of gardens and parks
    
    • V21 : Large-scale ornamental garden areas
      
    • V22 : Small-scale ornamental and domestic garden areas
      
    • V23 : Recently abandoned garden areas
      
  • V3 : Artificial grasslands and herb dominated habitats
    
    • V31 : Agriculturally-improved,
      
      • V311 : Dry or moist agriculturally-improved grassland
        
      • V312 : Wet agriculturally-improved grassland, often with drainage ditches
        
      • V313 : Turf sports fields
        
      • V314 : Park lawns
        
      • V315 : Small-scale lawns
        
    • V32 : Mediterranean subnitrophilous annual grasslands
      
    • V33 : Dry mediterranean lands with unpalatable non-vernal herbaceous vegetation
      
    • V34 : Trampled xeric grasslands with annuals
      
    • V35 : Trampled mesophilous grasslands with annuals
      
    • V36 : Alpine and subalpine enriched grassland
      
    • V37 : Annual anthropogenic herbaceous vegetation
      
    • V38 : Dry perennial anthropogenic herbaceous vegetation
      
    • V39 : Mesic perennial anthropogenic herbaceous vegetation
      
  • V4 : Hedgerows
    
    • V41 : Hedgerows of non-native species
      
    • V42 : Highly-managed hedgerows of native species
      
    • V43 : Species-rich hedgerows of native species
      
    • V44 : Species-poor hedgerows of native species
      
  • V5 : Shrub plantations
    
  • V6 : Tree dominated man-made habitats