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
				
				
 - 
				
				
				
				R1 : Dry grasslands
				
				
 - 
				
				
				
				R2 : Mesic grasslands
				
				
 - 
				
				
				
				R3 : Seasonally wet and wet grasslands
				
				
 - 
				
				
				
				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
				
				
				
				T1 : Deciduous broadleaved forest
				
				
				
				T2 : Broadleaved evergreen forest
				
				
				
				T21 : Mediterranean evergreen Quercus forest
				
				
				
				T22 : Mainland laurophyllous forest
				
				
				
				T221 : Mediterraneo-Atlantic Laurus - Quercus forest
				
				
				
				T222 : Ponto-Hyrcanian sclerophyllous forests
				
				
				
				T23 : Macaronesian laurophyllous forest
				
				
				
				T24 : Olea europaea-Ceratonia siliqua forest
				
				
				
				T25 : Phoenix theophrasti vegetation
				
				
				
				T26 : Phoenix canariensis vegetation
				
				
				
				T27 : Ilex aquifolium forest
				
				
				
				T28 : Macaronesian heathy forest
				
				
				
				T29 : Broadleaved evergreen plantation of non site-native trees
				
				
				
				T2A : Broadleaved evergreen plantation of site-native trees
				
				
				
				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