| Acidic Cliff - Gorge |
Acidic Cliff |
S4 |
GNR |
| Alder Floodplain |
Alder Floodplain |
S4 |
GNR* |
| Alder Shrub Thicket |
Alder Thicket |
S5 |
G4G5 |
| Alpine Cliff |
Alpine Cliff |
S1 |
GNR |
| Aspen - Birch Woodland/Forest Complex |
Early Successional Forest |
S5 |
G5 |
| Atlantic White Cedar Bog |
Atlantic White Cedar Bog |
S1 |
G3G4 |
| Atlantic White Cedar Swamp |
Atlantic White Cedar Swamp |
S2 |
G3G5 |
| Balsam Poplar Floodplain Forest |
Balsam Poplar Floodplain Forest |
S2 |
GNR |
| Beach Strand |
Coastal Beach |
S4 |
G4G5 |
| Beech - Birch - Maple Forest |
Northern Hardwoods Forest |
S5 |
G3G5 |
| Bilberry - Mountain Heath Alpine Snowbank |
Alpine Snowbank |
S1 |
G2G3 |
| Birch - Oak Talus Woodland |
Birch - Oak Rocky Woodland |
S3 |
G3G5 |
| Black Ash Swamp |
Black Ash Swamp |
S4 |
GNR* |
| Black Spruce Woodland |
Black Spruce Woodland |
S3 |
G4? |
| Bluebell - Balsam Ragwort Shoreline Outcrop |
Rivershore Outcrop |
S2 |
G3 |
| Blueberry - Lichen Barren |
Blueberry Barren |
S2 |
GNR |
| Bluejoint Meadow |
Tall Grass Meadow |
S4 |
G4G5 |
| Bog Moss Lawn |
Mossy Bog Mat |
S4 |
GNR |
| Boreal Circumneutral Open Outcrop |
Circumneutral Outcrop |
S2 |
GNR |
| Brackish Tidal Marsh |
Brackish Tidal Marsh |
S3 |
GNR |
| Bulrush Bed |
Bulrush Marsh |
S4 |
GNR |
| Cattail Marsh |
Cattail Marsh |
S5 |
G5 |
| Cedar - Spruce Seepage Forest |
Evergreen Seepage Forest |
S4 |
GNR |
| Chestnut Oak Woodland |
Chestnut Oak Woodland |
S1 |
G3G5 |
| Circumneutral Riverside Seep |
Riverside Seep |
S2 |
G2 |
| Circumneutral-Alkaline Water Macrophyte Suite |
Circumneutral Pond |
S2 |
GNR |
| Cotton-grass - Heath Alpine Bog |
Alpine Bog |
S1 |
GNR |
| Crowberry - Bayberry Headland |
Downeast Maritime Shrubland |
S2 |
GNR |
| Crowberry - Bilberry Summit Bald |
Mid-elevation Bald |
S3 |
G2G3 |
| Deer-hair Sedge Bog Lawn |
Coastal Sedge Bog |
S2 |
GNR |
| Diapensia Alpine Ridge |
Windswept Alpine Ridge |
S1 |
G2G3 |
| Dogwood - Willow Shoreline Thicket |
Riverside Shrub Thicket |
S2 |
GNR |
| Dune Grassland |
Dune Grassland |
S2 |
G4? |
| Dwarf Heath - Graminoid Alpine Ridge |
Heath Alpine Ridge |
S2 |
G4? |
| Fir - Heart-leaved Birch Subalpine Forest |
Subalpine Fir Forest |
S3 |
GNR |
| Freshwater Tidal Marsh |
Freshwater Tidal Marsh |
S2 |
G4? |
| Hardwood River Terrace Forest |
Upper Floodplain Hardwood Forest |
S3 |
GNR |
| Hardwood Seepage Forest |
Hardwood Seepage Forest |
S3 |
GNR |
| Heath - Crowberry Maritime Slope Bog |
Maritime Slope Bog |
S2 |
G3G5 |
| Heath - Lichen Subalpine Slope Bog |
Subalpine Hanging Bog |
S1 |
G3G5 |
| Hemlock - Hardwood Pocket Swamp |
Pocket Swamp |
S2 |
G5 |
| Hemlock Forest |
Hemlock Forest |
S4 |
G4G5 |
| Huckleberry - Crowberry Bog |
Maritime Huckleberry Bog |
S3 |
G3G5 |
| Hudsonia River Beach |
Riverwash Sand Barren |
S1 |
G1 |
| Ironwood - Oak - Ash Woodland |
Oak - Ash Woodland |
S3 |
G3G5 |
| Jack Pine Forest |
Jack Pine Forest |
S1 |
G4G5 |
| Jack Pine Woodland |
Jack Pine Woodland |
S3 |
G3G5 |
| Labrador Tea Talus Dwarf - Shrubland |
Cold-air Talus Slope |
S2 |
G3G5 |
| Lakeshore Sand/Cobble Beach |
Lakeshore Beach |
S4 |
GNR* |
| Leatherleaf Boggy Fen |
Leatherleaf Bog |
S4 |
G5 |
| Little Bluestem - Blueberry Sandplain Grassland |
Sandplain Grassland |
S1 |
GNR |
| Low Sedge - Buckbean Fen Lawn |
Low Sedge Fen |
S3 |
GNR |
| Maple - Basswood - Ash Forest |
Enriched Northern Hardwoods Forest |
S3 |
GNR |
| Maritime Spruce - Fir Forest |
Maritime Spruce - Fir Forest |
S4 |
G4G5 |
| Mixed Graminoid - Forb Saltmarsh |
Mixed Saltmarsh |
S3 |
G5 |
| Mixed Graminoid - Shrub Marsh |
Grassy Shrub Marsh |
S5 |
GNR |
| Mixed Tall Sedge Fen |
Tall Sedge Fen |
S4 |
G4G5 |
| Mountain Alder - Bush-honeysuckle Subalpine Meadow |
Subalpine Meadow |
S1 |
GNR |
| Mountain Holly - Alder Woodland Fen |
Tall Shrub Fen |
S4 |
G5 |
| Northern White Cedar Swamp |
Northern White Cedar Swamp |
S4 |
GNR |
| Northern White Cedar Woodland Fen |
Open Cedar Fen |
S4 |
GNR |
| Oak - Hickory Forest |
Oak - Hickory Forest |
S1 |
GNR* |
| Oak - Pine Forest |
Oak - Pine Forest |
S5 |
G5 |
| Oak - Pine Woodland |
Oak - Pine Woodland |
S4 |
G3G5 |
| Pickerelweed - Macrophyte Aquatic Bed |
Pickerelweed Marsh |
S5 |
GNR |
| Pipewort - Water Lobelia Aquatic Bed |
Sandy Lake - Bottom |
S5 |
GNR |
| Pitch Pine - Heath Barren |
Pitch Pine - Heath Barren |
S1 |
G3G5 |
| Pitch Pine - Scrub Oak Barren |
Pitch Pine - Scrub Oak Barren |
S2 |
G2 |
| Pitch Pine Bog |
Pitch Pine Bog |
S2 |
G3G5 |
| Pitch Pine Dune Woodland |
Pitch Pine Dune Woodland |
S1 |
G2 |
| Pitch Pine Woodland |
Pitch Pine Woodland |
S3 |
G2 |
| Red Maple - Sensitive Fern Swamp |
Red Maple Swamp |
S5 |
G3G5 |
| Red Maple Wooded Fen |
Red Maple Fen |
S4 |
GNR |
| Red Oak - Northern Hardwoods - White Pine Forest |
Oak - Northern Hardwoods Forest |
S5 |
GNR |
| Red Pine - White Pine Forest |
Red and White Pine Forest |
S3 |
G3G4 |
| Red Pine Woodland |
Red Pine Woodland |
S3 |
G3G5 |
| Red Spruce - Mixed Conifer Woodland |
Spruce - Pine Woodland |
S4 |
G3G5 |
| Rocky Summit Heath |
Rocky Summit Heath |
S4 |
GNR |
| Rose - Bayberry Maritime Shrubland |
Rose Maritime Shrubland |
S4 |
G4 |
| Sand Cherry - Tufted Hairgrass River Beach |
Laurentian River Beach |
S2 |
G3? |
| Seaside Goldenrod - Goosetongue Open Headland |
Open Headland |
S4 |
GNR |
| Sedge - Leatherleaf Fen Lawn |
Sedge - Heath Fen |
S4 |
G4G5 |
| Semi-rich Northern Hardwood Forest |
Sugar Maple Forest |
S4 |
GNR* |
| Sheep Laurel Dwarf Shrub Bog |
Dwarf Shrub Bog |
S5 |
G5 |
| Shrubby Cinquefoil - Sedge Circumneutral Fen |
Circumneutral Fen |
S2 |
G2G3 |
| Silver Maple Floodplain Forest |
Silver Maple Floodplain Forest |
S3 |
GNR |
| Spartina Saltmarsh |
Salt-hay Saltmarsh |
S3 |
G5 |
| Spruce - Fir - Birch Krummholz |
Spruce - Fir Krummholz |
S3 |
GNR |
| Spruce - Fir - Broom-moss Forest |
Lower Elevation Spruce - Fir Forest |
S5 |
GNR |
| Spruce - Fir - Cinnamon Fern Forest |
Spruce - Fir Wet Flat |
S4 |
GNR |
| Spruce - Fir - Wood-sorrel - Feather-moss Forest |
Montane Spruce - Fir Forest |
S5 |
G3G5 |
| Spruce - Heath Barren |
Black Spruce Barren |
S2 |
G5 |
| Spruce - Larch Wooded Bog |
Black Spruce Bog |
S4 |
G3G5 |
| Spruce - Northern Hardwoods Forest |
Spruce - Northern Hardwoods Forest |
S5 |
GNR |
| Spruce Talus Woodland |
Spruce Rocky Woodland |
S4 |
G3G5 |
| Sweetgale Mixed Shrub Fen |
Sweetgale Fen |
S4 |
G4G5 |
| Three-toothed Cinquefoil - Blueberry Low Summit Bald |
Low-elevation Bald |
S3 |
GNR |
| Three-way Sedge - Goldenrod Outwash Plain Pondshore |
Outwash Plain Pondshore |
S1 |
G2G3 |
| Tussock Sedge Meadow |
Sedge Meadow |
S4 |
GNR |
| Twisted Sedge Cobble Rivershore |
Cobble Rivershore |
S4 |
GNR* |
| Water-lily - Macrophyte Aquatic Bed |
Open-water Marsh |
S5 |
G4G5 |
| White Cedar Woodland |
White Cedar Woodland |
S2 |
GNR |
| White Oak - Red Oak Forest |
White Oak - Red Oak Forest |
S3 |
GNR |
| White Pine - Mixed Conifer Forest |
White Pine Forest |
S5 |
G5 |