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
    
  • 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
      
      • Q511 : Phragmites australis beds
        
      • Q512 : Scirpus lacustris beds
        
      • Q513 : Typha beds
        
      • Q514 : Medium-tall non-graminoid waterside communities
        
      • Q515 : Water-fringe medium-tall grass beds
        
      • Q516 : Phalaris arundinacea beds
        
      • Q517 : Halophile Scirpus, Bolboschoenus and Schoenoplectus beds
        
      • Q518 : Riparian Cladium mariscus beds
        
      • Q519 : Water-fringing large sedge communities
        
      • Q51A : Brackish and alkaline Cirsium brachycephalum beds
        
      • Q51B : Phragmites australis beds normally without free-standing water
        
      • Q51C : Scirpus lacustris beds normally without free-standing water
        
      • Q51D : Typha beds normally without free-standing water
        
    • Q52 : Small-helophyte bed
      
    • Q53 : Tall-sedge bed
      
    • Q54 : Inland saline or brackish helophyte bed
      
  • Q6 : Periodically exposed shores
    
    • Q61 : Periodically exposed shore with stable, eutrophic sediments with pioneer or ephemeral vegetation
      
    • Q62 : Periodically exposed shore with stable, mesotrophic sediments with pioneer or ephemeral vegetation
      
    • Q63 : Periodically exposed saline shore with pioneer or ephemeral vegetation
      
• 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
    
  • 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
  
  • T1 : Deciduous broadleaved forest
    
  • T2 : Broadleaved evergreen forest
    
  • T3 : Coniferous forest
    
  • T4 : Lines of trees, small anthropogenic forests, recently felled forest, early-stage forest and coppice
    
• U : Inland habitats with no or little soil and mostly with sparse vegetation
  
• V : Vegetated man-made habitats