System | Subsystem | Subsystem | Name Used in NYB List | NYB Rank | G Rank | NY Community | NY Rank | NJ Community | NJ Rank | TNC | NWI |
Marine | Subtidal | Marine Subtidal Aquatic Bed | BW3 | G5 | Marine Eelgrass Meadow | S3 | Marine Subtidal Aquatic Bed | SU | Estuarine Zostera marina Hydromorphic Forb Vegetation | M1AB3 | |
Marine | Intertidal | Marine Intertidal Mudflats | BW3 | G5 | Marine Intertidal Mudflats | S4 | M2UB3 | ||||
Marine | Intertidal | Marine Rocky Intertidal | BW1 | G5 | Marine Rocky Intertidal | S1S2 | M2RS1 | ||||
Marine | Intertidal | Marine Intertidal Gravel/Sand Beach | BW5 | G5 | Marine Intertidal Gravel/Sand Beach | S5 | Marine Intertidal Gravel/Sand Beach Community | SU | Estuarine Scarcely Vegetated Sands | M2US1 | |
Estuarine | Subtidal | Brackish | Brackish Subtidal Aquatic Bed | BW3 | G4 | Brackish Subtidal Aquatic Bed | S2S3 | Mesohaline/Oligohaline (Brackish) Subtidal Aquatic Bed and Polyhaline Subtidal Aquatic Bed | SU | Estuarine Hydromorphic Forb Vegetation | E1 AB,UB |
Estuarine | Subtidal | Freshwater | Freshwater Subtidal Aquatic Bed | BW2 | G4 | Freshwater Subtidal Aquatic Bed | S3 | Freshwater Tidal Marsh Complex (in part) | S3? | R1AB3 | |
Estuarine | Intertidal | Salt/ Polyhaline | Low Salt Marsh | BW5 | G4 | Low Salt Marsh | S3S4 | Salt Marsh Complex (in part) | Estuarine Spartina alterniflora Tall Graminoid Vegetation | E2EM | |
Estuarine | Intertidal | Salt/ Polyhaline | High Salt Marsh | BW5 | G4 | High Salt Marsh | S3S4 | Salt Marsh Complex (in part) | Estuarine Spartina Short Graminoid Vegetation | E2EM | |
Estuarine | Intertidal | Salt/ Polyhaline | Salt Panne | BW4 | G4 | Salt Panne | S3S4 | Salt Marsh Complex (in part) | S5 | Salicornia - Spartina alterniflora community | E2EM |
Estuarine | Intertidal | Salt/ Polyhaline | Coastal Salt Pond | BW2 | G4 | Coastal Salt Pond | S1S2 | E1, E2 | |||
Estuarine | Intertidal | Brackish | Brackish Intertidal Shore | BW2 | G3G4 | Brackish Intertidal Shore | S1S2 | Estuarine Scarcely Vegetated Muds | |||
Estuarine | Intertidal | Brackish | Brackish Intertidal Mudflats | BW2 | G3G4 | Brackish Intertidal Mudflats | S1S2 | Brackish Tidal Marsh Complex (in part) | S3? | Estuarine Scarcely Vegetated Muds | E2AB3 |
Estuarine | Intertidal | Brackish | Brackish Tidal Marsh | BW3 | G4 | Brackish Tidal Marsh | S2S3 | Brackish Tidal Marsh Complex (in part) | S3? | Estuarine Typha angustifolia Tall Graminoid Vegetation | E2EM |
Estuarine | Intertidal | Freshwater | Freshwater Intertidal Shore | BW3 | G3G4 | Freshwater Intertidal Shore | S2S3 | Palustrine Emergent Forb Vegetation | R1EM | ||
Estuarine | Intertidal | Freshwater | Freshwater Intertidal Mudflats | BW2 | G3G4 | Freshwater Intertidal Mudflats | S2 | Freshwater Tidal Marsh Complex (in part) | S3? | Palustrine Emergent Forb Vegetation/Palustrine Intertidal Sparsely Vegetated Areas | R1AB |
Estuarine | Intertidal | Freshwater | Freshwater Tidal Marsh | BW2 | G3G4 | Freshwater Tidal Marsh | S2 | Freshwater Tidal Marsh Complex (in part) | S3? | Palustrine Zizania aquatica Graminoid Vegetation | R1EM |
Estuarine | Intertidal | Freshwater | Freshwater Tidal Swamp | BW2 | G2G3 | Freshwater Tidal Swamp | S2 | Freshwater Tidal Swamp | S1S2? | Palustrine Fraxinus pennsylvanica Woodlands | PFO1/ PSS1 |
Lacustrine | Coastal Plain Pond | BW2 | G3G4 | Coastal Plain Pond | S2 | L2AB4/ PAB4 | |||||
Palustrine | Mineral Soil Wetlands | Open to Sparsely Vegetated | Coastal Plain Pond Shore | BW2 | G3G4 | Coastal Plain Pond Shore | S2 | Palustrine Carex walteriana - Panicum Graminoid Vegetation/Palustrine Rhexia virginica - Gratiola aurea Forb vegetation | PEM2 | ||
Palustrine | Mineral Soil Wetlands | Open to Sparsely Vegetated | Maritime Interdunal Swales | BW2 | G3G4 | Maritime Interdunal Swales | S2 | Palustrine Medium-Tall Graminoid Vegetation | PEM/ PSS | ||
Palustrine | Mineral Soil Wetlands | Open to Sparsely Vegetated | Pine Barrens Shrub Swamp | BW4 | G5 | Pine Barrens Shrub Swamp | S3 | Pine Barrens Shrub Swamp | S5 | Palustrine Vaccinium corymbosum Shrub Thickets | PSS1,3 |
Palustrine | Mineral Soil Wetlands | Open to Sparsely Vegetated | Coastal Plain Vernal Pond | BW3 | G3? | Pine Barrens Vernal Pond | S2 | Coastal Plain Intermittent Pond | S2S3 | Palustrine Dulichium arundinaceum Graminoid Vegetation | PEM/ PSS |
Palustrine | Mineral Soil Wetlands | Open to Sparsely Vegetated | Pine Barrens Savanna | BW2 | G2 | Pine Barrens Savanna | S2S3 | Cladium mariscoides-Danthonia sericea-Lophiola americana Herbaceous Vegetation | PEM2 | ||
Palustrine | Mineral Soil Wetlands | Forested | Pitch Pine Lowland Forest | BW2 | G3 | Pitch Pine Lowland Forest | S3 | Palustrine Pinus rigida woodlands | PFO4 | ||
Palustrine | Mineral Soil Wetlands | Forested | Cape May Lowland Swamp | BW1 | G1 | Cape May Lowland Swamp | S1? | Acer rubrum-Liquidambar styraciflua-Populus heterophylla Forest | PFO1/ PFO3 | ||
Palustrine | Mineral Soil Wetlands | Forested | Coastal Plain Atlantic White Cedar Swamp | BW3 | G3G4 | Coastal Plain Atlantic White Cedar Swamp | S1 | Coastal Plain Atlantic White Cedar Swamp | S4? | Palustrine Chamaecyparis thyoides Forests | PFO4 |
Palustrine | Mineral Soil Wetlands | Forested | Inland Atlantic White Cedar Swamp | BW1 | G2G3 | Inland Atlantic White Cedar Swamp | S1 | Inland Atlantic White Cedar Swamp | S1 | Palustrine Chamaecyparis thyoides - Rhododendrom maximum Forests | PFO4 |
Palustrine | Mineral Soil Wetlands | Forested | Floodplain Forest | BW2 | G4 | Floodplain Forest | S2S3 | Floodplain Forest | S3? | Palustrine Platanus occidentalis - Acer negundo Forests | PFO1 |
Palustrine | Mineral Soil Wetlands | Forested | Red Maple-Hardwood Swamp | BW5 | G5 | Red Maple-Hardwood Swamp | S4S5 | Inland Red Maple Swamp | S5 | Palustrine Acer Rubrum Forests | PFO1 |
Palustrine | Mineral Soil Wetlands | Forested | Hemlock-Hardwood Swamp | BW2 | G4G5 | Hemlock-Hardwood Swamp | S4 | Hardwood-Conifer Swamp | S2S3 | Palustrine cold-deciduous forest with boreal needle-leaved evergreen trees | PFO1/ PFO4 |
Palustrine | Peatlands | Open to Sparsely Vegetated | Dwarf Shrub Bog | BW2 | G4 | Dwarf Shrub Bog | S3 | Glacial Bog/Perched Bog | S1 | Palustrine Chamaedaphne calyculata Dwarf Shrub Thickets | PSS3/ PEM |
Palustrine | Peatlands | Open to Sparsely Vegetated | Poor Fen | BW2 | G4 | Coastal Plain Poor Fen/Inland Poor Fen | S3 | Palustrine Carex exilis - Carex lasiocarpa Graminoid Vegetation | PEM/ PSS | ||
Palustrine | Peatlands | Open to Sparsely Vegetated | Rich Sloping Fen | BW1 | G2 | Rich Sloping Fen | S1S2 | Calcareous Fen | S1 | Pentaphylloides floribunda-Myrica pensylvanica/Deschampsia cespitosa Sparse Shrubland | PEM/ PSS |
Palustrine | Peatlands | Open to Sparsely Vegetated | Rich Graminoid Fen | BW1 | G3 | Rich Gramonoid Fen | S1S2 | Calcareous Fen | S1 | Palustrine Carex flava Forb Vegetation | PEM |
Palustrine | Peatlands | Open to Sparsely Vegetated | Rich Shrub Fen | BW1 | G2 | Rich Shrub Fen | S1S2 | Calcareous Fen | S1 | Pentaphylloides floribunda-Myrica pensylvanica-Betula pumila Sparse Shrubland | PSS1 |
Palustrine | Peatlands | Forested | Black Spruce Bog | BW1 | G4G5 | Black Spruce-Tamarack Bog | S3 | Black Spruce Swamp | S1 | Palustrine Picea mariana Forests | PFO4/ PFO2 |
Palustrine | Peatlands | Forested | Red Maple-Tamarack Peat Swamp | BW1 | G3G4 | Red Maple-Tamarack Peat Swamp | S2S3 | Palustrine Acer rubrum woodlands | PFO1/ PFO2 | ||
Palustrine | Peatlands | Forested | Pitch Pine-Blueberry Peat Swamp | BW1 | G3? | Pitch Pine-Blueberry Peat Swamp | S1 | Palustrine Pinus rigida woodlands | PFO4/ PSS1 | ||
Terrestrial | Open to Sparsely Vegetated | Maritime/ Coastal | Maritime Heathland | BW1 | G3 | Maritime Heathland | S1 | Terrestrial Hudsonia tomentosa - Arctostaphylos uva-ursi Dwarf Shrub Thickets | |||
Terrestrial | Open to Sparsely Vegetated | Maritime/ Coastal | Maritime Grassland | BW1 | G2 | Maritime Grassland | S1 | Myrica pensylvanica/Schizacyrium scoparium-Danthonia spicata Sparse Shrubland | |||
Terrestrial | Open to Sparsely Vegetated | Maritime/ Coastal | Maritime Shrubland | BW3 | G4 | Maritime Shrubland | S4 | Terrestrial Myrica pensylvanica - Prunus maritima Shrub Thickets | |||
Terrestrial | Open to Sparsely Vegetated | Maritime/ Coastal | Maritime Dunes | BW3 | G4 | Maritime Dunes | S3 | Terrestrial Ammophila breviligulata Graminoid Vegetation/Terrestrial Hudsonia tomentosa - Arctostaphylos uva-ursi Dwarf Shrub Thickets | |||
Terrestrial | Open to Sparsely Vegetated | Maritime/ Coastal | Coastal Dune Shrubland | BW3 | G4 | Maritime Shrubland | S4 | Coastal Dune Shrubland | S2? | Terrestrial Myrica pensylvanica - Prunus maritima Shrub Thickets | |
Terrestrial | Open to Sparsely Vegetated | Maritime/ Coastal | Coastal Dune Woodland | BW1 | G2 | Maritime Red Cedar Forest | S1 | Coastal Dune Woodland (in part) | S1 | Pinus rigida/Hudsonia tomentosa Sparse Woodland | |
Terrestrial | Open to Sparsely Vegetated | Maritime/ Coastal | Hempstead Plains Grassland | BW1 | G1 | Hempstead Plains Grassland | S1 | Andropogon gerardi - Sorghastrum nutans -Hypoxis hirsuta - Baptisa tinctoria Herbaceous Vegetation | |||
Terrestrial | Open to Sparsely Vegetated | Inland | Rocky Summit Grassland | BW2 | G3G4 | Rocky Summit Grassland | S2S3 | Terrestrial Schizachyrium scoparium Medium-Tall Graminoid Vegetation | |||
Terrestrial | Open to Sparsely Vegetated | Inland | Traprock Glade | BW1 | G2 | Rocky Summit Grassland (in part) | S2S3 | Traprock Glade/Rock Outcrop Community | S1? | Juniperus virginiana/Danthonia spicata-Poa compressa Sparse Woodland | |
Terrestrial | Open to Sparsely Vegetated | Inland | Cliff Community | BW2 | G5 | Cliff Community | S4? | Terrestrial Chamophytic Vegetation | |||
Terrestrial | Open to Sparsely Vegetated | Inland | Calcareous Cliff Community | BW1 | G4 | Calcareous Cliff Community | S3S4 | Terrestrial Thuja occidentalis Woodlands/Pellaea community | |||
Terrestrial | Open to Sparsely Vegetated | Inland | Limestone Glade | BW1 | G2 | Red Cedar Rocky Summit | S3 | Limestone Glade | S1 | Juniperus virginiana -Ostrya virginiana/Bouteloua curtipendula Sparse Woodland | |
Terrestrial | Barrens and Woodlands | Barrens | Serpentine Barrens | BW1 | G2 | Serpentine Barrens | S1 | Terrestrial Schizachyrium scoparium Medium-Tall Graminoid Vegetation | |||
Terrestrial | Barrens and Woodlands | Barrens | Dwarf Pine Plains | BW1 | G1G2 | Dwarf Pine Plains | S1 | Pinus rigida-Quercus ilicifolia/Arctostaphylos uva-ursi | |||
Terrestrial | Barrens and Woodlands | Barrens | Pine Plains | BW1 | G1 | Pine Plains | S1 | Pinus rigida-Quercus marilandica/Corema conradii Shrubland | |||
Terrestrial | Barrens and Woodlands | Barrens | Pitch Pine Scrub Oak Barrens | BW1 | G2 | Pitch Pine Scrub Oak Barrens | S1 | Pinus rigida/Quercus ilicifolia/Lespedeza capitata Woodland | |||
Terrestrial | Barrens and Woodlands | Barrens | Pitch Pine-Oak-Heath Rocky Summit | BW2 | G4 | Pitch Pine-Oak-Heath Rocky Summit | S3S4 | Terrestrial Mixed Quercus - Pinus rigida Woodlands | |||
Terrestrial | Barrens and Woodlands | Barrens | Dwarf Pine Ridges | BW1 | G1 | Dwarf Pine Ridges | S1 | Pinus rigida/Gaylussacia baccata Shrubland | |||
Terrestrial | Barrens and Woodlands | Barrens | Ice Cave Talus Community | BW1 | G3? | Ice Cave Talus Community | S1S2 | Terrestrial Picea mariana (Picea rubens) Woodlands | |||
Terrestrial | Barrens and Woodlands | Barrens | Spruce-Fir Rocky Summit | BW1 | G4 | Spruce-Fir Rocky Summit | S3S4 | Terrestrial Picea mariana (Picea rubens) Woodlands | |||
Terrestrial | Barrens and Woodlands | Woodlands | Pitch Pine-Oak-Heath Woodland | BW2 | G3G4 | Pitch Pine-Oak-Heath Woodland | S2S3 | Terrestrial Mixed Quercus - Pinus rigida Woodlands | |||
Terrestrial | Barrens and Woodlands | Woodlands | Limestone Woodland | BW1 | G3G4 | Limestone Woodland | S2S3 | Terrestrial Cold-Deciduous Woodland | |||
Terrestrial | Close Canopy/ Forested | Maritime/ Coastal | Maritime Oak-Holly Forest | BW1 | G2 | Maritime Oak-Holly Forest | S1 | Coastal Dune Woodland (in part) | S1 | Prunus serotina-Sassafras albidum-Amelanchier canadensis/Smilax rotundifolia Forest | |
Terrestrial | Close Canopy/ Forested | Maritime/ Coastal | Maritime Beech Forest | BW1 | G1 | Maritime Beech Forest | S1 | Fagus grandifolia/Smilax rotundifolia Forest | |||
Terrestrial | Close Canopy/ Forested | Maritime/ Coastal | Successional Maritime Forest | BW3 | G4 | Successional Maritime Forest | S3S4 | Terrestrial Carya - Fraxinus - Quercus Forests | |||
Terrestrial | Close Canopy/ Forested | Inland | Appalachian Oak-Hickory Forest | BW2 | G4G5 | Appalachian Oak-Hickory Forest | S4 | Terrestrial Carya - Fraxinus - Quercus Forests | |||
Terrestrial | Close Canopy/ Forested | Inland | Chestnut Oak Forest | BW4 | G3G4 | Chestnut Oak Forest | S4 | Chestnut Oak Forest | S4 | Terrestrial Quercus - Ericaceae Forests | |
Terrestrial | Close Canopy/ Forested | Inland | Applachian Oak Pine Forest | BW2 | G4G5 | Applachian Oak-Pine Forest | S4 | Terrestrial Quercus - Pinus Forests | |||
Terrestrial | Close Canopy/ Forested | Inland | Pitch Pine-Oak Forest | BW4 | G4G5 | Pitch Pine-Oak Forest | S4 | Dry Pine-Oak Forest | S4 | Terrestrial Quercus-Pinus Forests | |
Terrestrial | Close Canopy/ Forested | Inland | Mountain Fir Forest | BW1 | G3G4 | Mountain Fir Forest | S2S3 | Terrestrial Picea rubens - Abies balsamea Forests | |||
Subterra- nean | Natural Caves | Aquatic | Aquatic Cave Community | BW1 | G4? | Aquatic Cave Community | S3S4 | Cave Aquatic Community | S2 | ||
Subterra-nean | Natural Caves | Terrestrial | Terrestrial Cave Community | BW2 | G4? | Terrestrial Cave Community | S3S4 | Cave Terrestrial Community | S3 | ||
Animal | Fish | Anadromous Fish Concentration Area | BW3 | Anadromous Fish Concentration Area | S3 | ||||||
Animal | Fish | Warm Water Fish Concentration Area | BW3 | Warm Water Fish Concentration Area | S4 | ||||||
Animal | Fish | Cold Water Fish Concentration Area | BW3 | Cold Water Fish Concentration Area | S? | ||||||
Animal | Birds | Bald Eagle Wintering Site | BW2 | G? | Bald Eagle Wintering Site | S? | |||||
Animal | Birds | Coastal Heron Rookery | BW3 | GU | Western Hemisphere Rookery | Coastal Heron Rookery | S3? | ||||
Animal | Birds | Migratory Shorebird Concentration Site | BW3 | G? | Migratory Shorebird Concentration Site | S? | |||||
Animal | Birds | Waterbird Nesting Colony | BW3 | Gull Nesting Colony or Tern Nesting Colony | S? | ||||||
Animal | Birds | Raptor Concentration Area | BW2 | Raptor Concentration Area | S? | ||||||
Animal | Birds | Waterfowl Concentration Area | BW4 | Waterfowl Concentration Area | S3S4 | ||||||
Animal | Mammals | Bat Hibernaculum | BW2 | G? | Bat Hibernaculum | S? | Bat Hibernaculum | S? | |||
Notes | |||||||||||
NYB List Names in Bold Italic are used in the list of Species of Special Emphasis and in narratives in this report | |||||||||||
NWI is classification used by National Wetlands Inventory from: Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. | |||||||||||
Classification of wetlands and deepwater habitats of the United States. U.S. Fish Wildlife Service Biological Service Program FWS-OBS 79/31. 103 pp. ; see NWI maps for definitions | |||||||||||
TNC is Physiognomic group or subgroup from The Nature Conservancy Eastern Regional Community Classification: | |||||||||||
Sneddon, L. and K. Metzler. 1992. Eastern regional community classification, organizational hierarchy,and cross-reference to state heritage community. The Nature Conservancy Eastern Heritage Task Force, Boston, MA. | |||||||||||
TNC communities that are ranked G1 or G2 are shown in italics; names of these communities from National TNC Survey: | |||||||||||
Grossman, D.H., K.L. Goodin, and C.L. Reuss. 1994. Rare plant communities of the conterminous United States: an initial survey. The Nature Conservancy, Arlington, VA. |
Definitions of Rare Natural Communities
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