| ELCODE | SNAME | SRANK | GRANK |
| CVCU200000 | Acidic cliff - gorge | S4 | |
| CSDS200000 | Alder shrub thicket | S5 | G4G5 |
| CL04AQ0000 | Alkaline pond | S1 | |
| CX23LE0000 | Alkaline pond ecosystem | S1 | |
| CHFU100000 | Alpine cliff | S1 | |
| CX07NE0000 | Alpine ecosystem | S2 | |
| CX05FE0000 | Appalachian - acadian basin swamp ecosystem | S4 | |
| CX27RE0000 | Appalachian - acadian rivershore ecosystem | SU | |
| CWDU100000 | Aspen - birch woodland/forest complex | S5 | G5 |
| CWCS300000 | Atlantic white cedar bog | S1 | G3G4 |
| CFCS400000 | Atlantic white cedar swamp | S2 | G3G5 |
| CFDF300000 | Balsam poplar floodplain forest | S2? | |
| CFDF3P0000 | Basswood - ash - red maple floodplain forest (provisional) | S2? | |
| CVSU100000 | Beach strand | S4 | G4G5 |
| CFDU100000 | Beech - birch - maple forest | S4 | G3G5 |
| CDEU300000 | Bilberry - mountain-heath alpine snowbank | S1 | G2G3 |
| CWDU300000 | Birch - oak talus woodland | S3 | G3G5 |
| CWCU400000 | Black spruce woodland | S3 | G4? |
| CWDF1P0000 | Black willow - alder floodplain (provisional) | SU | |
| CVCU300000 | Bluebell - balsam ragwort shoreline outcrop | S3 | G3 |
| CSDF2P0000 | Blueberry - heath shoreline thicket (provisional) | S3? | |
| CDDU300000 | Blueberry - lichen barren | S2 | |
| CHGF100000 | Bluejoint meadow | S3 | G4G5 |
| CHFS1P0000 | Bog clubmoss - sundew wet meadow (provisional) | | |
| CVBS100000 | Bog moss lawn | S4 | |
| CL03AQ0000 | Bog pond | S4 | |
| CHFU300000 | Boreal circumneutral open outcrop | S2 | |
| CHGT300000 | Brackish tidal marsh | S3 | |
| CHGP100000 | Bulrush bed | S4 | |
| CHGP200000 | Cattail marsh | S5 | G5 |
| CS01SS0000 | Cave community | SU | |
| CFCS300000 | Cedar - spruce seepage forest | S4 | |
| CX04FE0000 | Central hardwoods oak forest ecosystem | S3 | |
| CWDU200000 | Chestnut oak woodland | S1 | G3G5 |
| CHFF200000 | Circumneutral riverside seep | S2 | G2 |
| CHHP300000 | Circumneutral-alkaline water macrophyte suite | S2 | |
| CX29TE0000 | Coastal dune-marsh ecosystem | S3 | |
| CX30NE0000 | Coastal headland ecosystem | S4 | |
| CX33FE0000 | Coastal plain basin swamp ecosystem | S3 | |
| CX34FE0000 | Coastal plain pondshore ecosystem | S1 | |
| CX35FE0000 | Coastal plain rivershore ecosystem | S2 | |
| CX11PE0000 | Coastal plateau bog ecosystem | S3 | |
| CHGS600000 | Cotton-grass - heath alpine bog | S2 | |
| CDEU500000 | Crowberry - bayberry headland | S3 | |
| CDDU100000 | Crowberry - bilberry summit bald | S3 | G2G3 |
| CR06AQ0000 | Deadwater | SU | |
| CHGS500000 | Deer-hair sedge bog lawn | S3 | |
| CDEU200000 | Diapensia alpine ridge | S1 | G2G3 |
| CL09AQ0000 | Dimictic mesotrophic lake | SU | |
| CX20LE0000 | Dimictic mesotrophic lake ecosystem | SU | |
| CL08AQ0000 | Dimictic oligotrophic lake | SU | |
| CX18LE0000 | Dimictic oligotrophic lake ecosystem | SU | |
| CSDF100000 | Dogwood - willow shoreline thicket | S2 | |
| CX12PE0000 | Domed bog ecosystem | S3 | |
| CHGU200000 | Dune grassland | S2 | G4? |
| CDDU200000 | Dwarf heath - graminoid alpine ridge | S2 | |
| CX14PE0000 | Eccentric bog ecosystem | S3 | |
| CL02AQ0000 | Eutrophic pond | SU | |
| CX22LE0000 | Eutrophic pond ecosystem | SU | |
| CFCU500000 | Fir - heart-leaved birch subalpine forest | S3 | |
| CHGT400000 | Freshwater tidal marsh | S2 | G4? |
| CFDF200000 | Hardwood river terrace forest | S2 | |
| CFMF100000 | Hardwood seepage forest | S3 | |
| CDES500000 | Heath - crowberry maritime slope bog | S2 | G3G5 |
| CDES400000 | Heath - lichen subalpine slope bog | S1 | G3G5 |
| CFMS100000 | Hemlock - hardwood pocket swamp | S2 | G5 |
| CFCU200000 | Hemlock forest | S4 | G4G5 |
| CDES300000 | Huckleberry - crowberry bog | S3 | G3G5 |
| CDEF100000 | Hudsonia river beach | S1 | G1 |
| CR01AQ0000 | Intermittent stream | SU | |
| CWDU400000 | Ironwood - oak - ash woodland | S3 | G3G5 |
| CFCU800000 | Jack pine forest | S1 | G4G5 |
| CWCU600000 | Jack pine woodland | S3 | G3G5 |
| CX15PE0000 | Kettlehole bog-pond ecosystem | S4 | |
| CDEU400000 | Labrador tea talus dwarf-shrubland | S2 | G3G5 |
| CVSF1P0000 | Lakeshore beach (provisional) | S3? | G1G2 |
| CX16LE0000 | Lakeshore ecosystem | S5 | |
| CDES200000 | Leatherleaf boggy fen | S4 | G5 |
| CHGU100000 | Little bluestem - blueberry sandplain grassland | S1 | |
| CVSU2P0000 | Little bluestem - gray birch sand barren (provisional) | | G2Q |
| CHGS300000 | Low sedge - buckbean fen lawn | S3 | |
| CR07AQ0000 | Main channel river | SU | |
| CX26RE0000 | Main channel river ecosystem | SU | |
| CFDU200000 | Maple - basswood - ash forest | S3 | |
| CX31TE0000 | Marine intertidal ecosystem | SU | |
| CX32TE0000 | Marine subtidal ecosystem | SU | |
| CX01FE0000 | Maritime forest ecosystem | S4 | |
| CFCU400000 | Maritime spruce - fir forest | S4 | G4G5 |
| CR05AQ0000 | Marsh headwater stream | SU | |
| CL07AQ0000 | Meromictic lake | S1 | |
| CX21LE0000 | Meromictic lake ecosystem | S1 | |
| CR04AQ0000 | Midreach stream | SU | |
| CHGT200000 | Mixed graminoid - forb saltmarsh | S4 | G5 |
| CHGF200000 | Mixed graminoid - shrub marsh | S5 | |
| CHGS200000 | Mixed tall sedge fen | S4 | G4G5 |
| CL06AQ0000 | Monomictic mesotrophic lake | SU | |
| CX19LE0000 | Monomictic mesotrophic lake ecosystem | SU | |
| CL05AQ0000 | Monomictic oligotrophic lake | SU | |
| CX17LE0000 | Monomictic oligotrophic lake ecosystem | SU | |
| CSDU200000 | Mountain alder - bush-honeysuckle subalpine meadow | S2 | |
| CSDS300000 | Mountain holly - alder woodland fen | S4 | G5 |
| CFCS200000 | Northern white cedar swamp | S4 | |
| CWCS100000 | Northern white cedar woodland fen | S4 | |
| CFDU4P0000 | Oak - hickory forest (provisional) | S2 | |
| CFMU100000 | Oak - pine forest | S4 | G5 |
| CWMU100000 | Oak - pine woodland | S4 | G3G5 |
| CX10PE0000 | Patterned fen ecosystem | S3 | |
| CR02AQ0000 | Peatland outlet stream | SU | |
| CHFP100000 | Pickerelweed - macrophyte aquatic bed | S5 | |
| CX06NE0000 | Pine barrens ecosystem | S1 | |
| CHHP200000 | Pipewort - water lobelia aquatic bed | S5 | |
| CWCU900000 | Pitch pine - heath barren | S1 | G3G5 |
| CWCU800000 | Pitch pine - scrub oak barren | S1 | G2 |
| CWCS400000 | Pitch pine bog | S2 | G3G5 |
| CWCU100000 | Pitch pine dune woodland | S1 | G2 |
| CWCU700000 | Pitch pine woodland | S3 | G2 |
| CX13PE0000 | Raised level bog ecosystem | S4 | |
| CWDS200000 | Red maple - sensitive fern swamp | S4 | G3G5 |
| CWDS100000 | Red maple wooded fen | S4 | |
| CFMU200000 | Red oak - northern hardwoods - white pine forest | S4 | |
| CFCU300000 | Red pine - white pine forest | S3 | G3G4 |
| CWCU500000 | Red pine woodland | S3 | G3G5 |
| CWCU1A0000 | Red spruce - mixed conifer woodland | S4 | G3G5 |
| CX08NE0000 | Rock outcrop ecosystem | S4 | |
| CR03AQ0000 | Rocky headwater stream | SU | |
| CSDU100000 | Rose - bayberry maritime shrubland | S4 | G4 |
| CHFF300000 | Sand cherry - tufted hairgrass river beach | S2 | G3? |
| CVCU100000 | Seaside goldenrod - goosetongue open headland | S4 | |
| CHGS100000 | Sedge - leatherleaf fen lawn | S4 | G4G5 |
| CDES100000 | Sheep laurel dwarf shrub bog | S4 | G5 |
| CHGS400000 | Shrubby cinquefoil - sedge circumneutral fen | S2 | G2G3 |
| CFDF100000 | Silver maple floodplain forest | S3 | |
| CHGT100000 | Spartina saltmarsh | S3 | G5 |
| CSCU100000 | Spruce - fir - birch krummholz | S3 | |
| CFCU600000 | Spruce - fir - broom-moss forest | S4 | |
| CFCS100000 | Spruce - fir - cinnamon fern forest | S4 | |
| CX02FE0000 | Spruce - fir - northern hardwoods ecosystem | S4 | |
| CFCU700000 | Spruce - fir - wood-sorrel - feather-moss forest | S4 | G3G5 |
| CWCU110000 | Spruce - heath barren | S2 | G5 |
| CWCS200000 | Spruce - larch wooded bog | S4 | G3G5 |
| CFMU300000 | Spruce - northern hardwoods forest | S4 | |
| CWCU200000 | Spruce talus woodland | S4 | G3G5 |
| CX24RE0000 | Stream ecosystem | SU | |
| CX25RE0000 | Streamshore ecosystem | S4 | |
| CDEU100000 | Subalpine heath - krummholz | S4 | |
| CSDS100000 | Sweetgale mixed shrub fen | S4 | G4G5 |
| CL01AQ0000 | Tarn | S2 | |
| CHFU200000 | Three-toothed cinquefoil - blueberry low summit bald | S3 | |
| CHFF100000 | Three-way sedge - goldenrod outwash plain pondshore | S1 | G2G3 |
| CX28TE0000 | Tidal marsh estuary ecosystem | S3 | |
| CHGP300000 | Tussock sedge meadow | S4 | |
| CX09PE0000 | Unpatterned fen ecosystem | S4 | |
| CHHP100000 | Water-lily - macrophyte aquatic bed | S5 | G4G5 |
| CWCU300000 | White cedar woodland | S2 | |
| CFDU300000 | White oak - red oak forest | S3 | |
| CFCU100000 | White pine - mixed conifer forest | S4 | G5 |
| CX03FE0000 | White pine - mixed hardwoods forest ecosystem | S4 | |
| CSDT1P0000 | Willow - alder tidal shrubland (provisional) | S2S3 | |