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
				
				
 
				
				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
				
				
				
				R31 : Mediterranean tall humid inland grassland
				
				
				
				R32 : Mediterranean short moist grassland of lowlands
				
				
				
				R33 : Mediterranean short moist grassland of mountains
				
				
				
				R34 : Submediterranean moist meadow
				
				
				
				R35 : Moist or wet mesotrophic to eutrophic hay meadow
				
				
				
				R36 : Moist or wet mesotrophic to eutrophic pasture
				
				
				
				R37 : Temperate and boreal moist or wet oligotrophic grassland
				
				
				
				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
				
				
				
				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
				
				
				
				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
				
				
				
				V2 : Cultivated areas of gardens and parks
				
				
				
				V3 : Artificial grasslands and herb dominated habitats
				
				
				
				V4 : Hedgerows
				
				
				
				V5 : Shrub plantations
				
				
				
				V51 : Shrub plantations for whole-plant harvesting
				
				
				
				V52 : Shrub plantations for leaf or branch harvest
				
				
				
				V53 : Shrub plantations for ornamental purposes or for fruit, other than vineyards
				
				
				
				V54 : Vineyards
				
				
				
				V6 : Tree dominated man-made habitats