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)
				
				
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				MH : Pelagic water column
				
				
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				MJ : Ice-associated marine habitats
				
				
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				N : Coastal habitats
				
				
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				N1 : Coastal dunes and sandy shores
				
				
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				N2 : Coastal shingle
				
				
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				N21 : Atlantic, Baltic and Arctic coastal shingle beach
				
				
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				N211 : Boreo-arctic gravel beach annual communities
				
				
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				N212 : Atlantic and Baltic shingle beach drift lines
				
				
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				N213 : Biocenosis of slowly drying wracks on Atlantic, Baltic and Arctic coastal shingle beaches
				
				
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				N214 : Baltic Crambe maritima communities
				
				
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				N215 : Channel Crambe maritima communities
				
				
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				N216 : Atlantic Crambe maritima communities
				
				
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				N217 : Gravelly beach and shingle pioneer communities
				
				
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				N218 : Euro-Siberian gravel bank grasslands
				
				
 
				
				N22 : Mediterranean and Black Sea coastal shingle beach
				
				
				
				N3 : Rock cliffs, ledges and shores, including the supralittoral
				
				
				
				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
				
				
				
				T3 : Coniferous forest
				
				
				
				T31 : Temperate mountain Picea forest
				
				
				
				T32 : Temperate mountain Abies forest
				
				
				
				T33 : Mediterranean mountain Abies forest
				
				
				
				T34 : Temperate subalpine Larix, Pinus cembra and Pinus uncinata forest
				
				
				
				T35 : Temperate continental Pinus sylvestris forest
				
				
				
				T36 : Temperate and submediterranean montane Pinus sylvestris-Pinus nigra forest
				
				
				
				T37 : Mediterranean montane Pinus sylvestris-Pinus nigra forest
				
				
				
				T38 : Mediterranean montane Cedrus forest
				
				
				
				T39 : Mediterranean and Balkan subalpine Pinus heldreichii-Pinus peuce forest
				
				
				
				T3A : Mediterranean lowland to submontane Pinus forest
				
				
				
				T3B : Pinus canariensis forest
				
				
				
				T3C : Taxus baccata forest
				
				
				
				T3D : Mediterranean Cupressaceae forest
				
				
				
				T3E : Macaronesian Juniperus forest
				
				
				
				T3F : Dark taiga
				
				
				
				T3G : Pinus sylvestris light taiga
				
				
				
				T3H : Larix light taiga
				
				
				
				T3H1 : Larix russica taiga
				
				
				
				T3J : Pinus and Larix mire forest
				
				
				
				T3K : Picea mire forest
				
				
				
				T3L : Coniferous self sown forest of non site-native trees
				
				
				
				T3M : Coniferous plantation of non site-native trees
				
				
				
				T3N : Coniferous plantation of site-native trees
				
				
				
				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