I.
FOREST
I.A.8.N.b. Rounded-crowned temperate or subpolar needle-leaved
evergreen
forest
I.A.8.N.b.5. PINUS ECHINATA FOREST
ALLIANCE
Pinus echinata / Vaccinium (pallidum,
stamineum) - Kalmia latifolia
Forest
I.A.8.N.b.13. PINUS STROBUS - TSUGA
CANADENSIS FOREST
ALLIANCE
Pinus strobus - Tsuga canadensis
/ Acer pensylvanicum / Polystichum acrostichoides
Forest
I.A.8.N.b.16. PINUS TAEDA FOREST ALLIANCE
Pinus taeda / Liquidambar
styraciflua - Acer rubrum var. rubrum / Vaccinium stamineum forest
Pinus taeda / Morella cerifera /
Vitis rotundifolia
Forest
I.A.8.N.b.17. PINUS VIRGINIANA FOREST
ALLIANCE
Pinus virginiana - Pinus (rigida,
echinata) - (Quercus prinus) / Vaccinium pallidum
Forest
I.A.8.N.g. Saturated temperate or subpolar needle-leaved
evergreen forest
I.A.8.N.g.4. PICEA RUBENS SATURATED
FOREST
ALLIANCE
Picea rubens - (Tsuga canadensis)
/ Rhododendron maximum Saturated
Forest
I.A.8.N.g.300. PINUS TAEDA SATURATED FOREST
ALLIANCE
Pinus taeda / Morella cerifera /
Osmunda regalis var. spectabilis forest
I.A.8.N.g.7. TSUGA CANADENSIS SATURATED
FOREST ALLIANCE
Tsuga canadensis / Rhododendron
maximum / Sphagnum spp.
Forest
I.B.2.N.a. Lowland or submontane cold-deciduous forest
I.B.2.N.a.4. ACER SACCHARUM -
BETULA ALLEGHANIENSIS - (FAGUS GRANDIFOLIA) FOREST
ALLIANCE
Acer saccharum - Betula
alleghaniensis - Prunus serotina
Forest
I.B.2.N.a.5. ACER SACCHARUM -
FRAXINUS AMERICANA - TILIA AMERICANA FOREST
ALLIANCE
Acer (nigrum, saccharum) - Tilia
americana / Asimina triloba / Jeffersonia diphylla - Hydrophyllum canadense
forest
Acer saccharum - Fraxinus
americana - Juglans cinerea / Staphylea trifolia forest
Acer saccharum - Fraxinus
americana - Tilia americana - Liriodendron tulipifera / Actaea racemosa
Forest
Acer saccharum - Fraxinus
americana - Tilia americana / Acer spicatum / Allium tricoccum - Caulophyllum
thalictroides Forest
I.B.2.N.a.46. CARYA (GLABRA, OVATA)
- FRAXINUS AMERICANA - QUERCUS (ALBA, RUBRA) FOREST
ALLIANCE
Carya (glabra, ovata) - Fraxinus
americana - Quercus spp. forest
Quercus prinus - Quercus rubra -
Carya ovalis / Solidago (ulmifolia, arguta) - Galium latifolium forest
Quercus rubra - Quercus prinus -
Carya ovalis / Cercis canadensis / Solidago caesia forest
I.B.2.N.a.15. FAGUS GRANDIFOLIA -
ACER SACCHARUM - (LIRIODENDRON TULIPIFERA) FOREST
ALLIANCE
Fagus grandifolia - Acer
saccharum - Liriodendron tulipifera Unglaciated
Forest
Fagus grandifolia - Liriodendron
tulipifera - Carya cordiformis / Lindera benzoin / Podophyllum peltatum forest
I.B.2.N.a.17. FAGUS GRANDIFOLIA -
QUERCUS RUBRA - QUERCUS ALBA FOREST
ALLIANCE
Fagus grandifolia - Quercus alba
- Liriodendron tulipifera - Carya spp.
Forest
Fagus grandifolia - Quercus rubra
/ Cornus florida / Polystichum acrostichoides - Hexastylis virginica
Forest
Quercus alba - Fagus grandifolia Western
Allegheny Plateau forest
I.B.2.N.a.24. LIRIODENDRON
TULIPIFERA FOREST
ALLIANCE
Liriodendron tulipifera - Acer (negundo,
rubrum) / Asimina triloba forest
Liriodendron tulipifera - Quercus
rubra - Magnolia acuminata / Cornus florida
Forest
I.B.2.N.a.27. QUERCUS ALBA - (QUERCUS
RUBRA, CARYA SPP.) FOREST
ALLIANCE
Quercus (alba, rubra, velutina) /
Cornus florida / Viburnum acerifolium
Forest
Quercus alba - Quercus (rubra,
coccinea) - Carya (alba, glabra) / Vaccinium pallidum Piedmont Dry-Mesic
Forest
I.B.2.N.a.29. QUERCUS ALBA -
QUERCUS (FALCATA, STELLATA) FOREST
ALLIANCE
Quercus (falcata, alba, velutina)
/ Gaylussacia baccata - Vaccinium pallidum
Forest
I.B.2.N.a.31. QUERCUS FALCATA
FOREST
ALLIANCE
Quercus falcata - Quercus phellos
/ Ilex opaca forest
I.B.2.N.a.101. QUERCUS
MUEHLENBERGII - (ACER SACCHARUM) FOREST
ALLIANCE
Acer saccharum - Quercus
muehlenbergii / Cercis canadensis forest
Quercus muehlenbergii / Erigeron
pulchellus var. pulchellus - Dichanthelium boscii - (Verbesina virginica var.
virginica) forest
I.B.2.N.a.36. QUERCUS PRINUS - (QUERCUS
COCCINEA, QUERCUS VELUTINA) FOREST
ALLIANCE
Quercus prinus - Quercus (rubra,
velutina) / Gaylussacia baccata
Forest
I.B.2.N.a.37. QUERCUS PRINUS -
QUERCUS (ALBA, FALCATA, RUBRA, VELUTINA) FOREST
ALLIANCE
Quercus alba - Quercus prinus -
Carya glabra / Cornus florida / Vaccinium pallidum / Carex pensylvanica forest
I.B.2.N.a.38. QUERCUS PRINUS -
QUERCUS RUBRA FOREST ALLIANCE
Quercus prinus - Quercus rubra -
Carya (glabra, alba) / Gaylussacia baccata forest
I.B.2.N.a.100. QUERCUS VELUTINA -
QUERCUS ALBA - (QUERCUS COCCINEA) FOREST ALLIANCE
Quercus (velutina, alba) /
Vaccinium pallidum High Allegheny Plateau, Western Allegheny Plateau
Forest
Quercus coccinea - Quercus
velutina - Quercus alba / Amelanchier arborea / Gaylussacia baccata
Forest
I.B.2.N.d. Temporarily flooded cold-deciduous
forest
I.B.2.N.d.3. ACER NEGUNDO
TEMPORARILY FLOODED FOREST
ALLIANCE
Acer negundo
Forest
I.B.2.N.d.4. ACER SACCHARINUM TEMPORARILY
FLOODED FOREST ALLIANCE
Acer saccharinum - Ulmus
americana - (Populus deltoides)
Forest
I.B.2.N.d.27. ACER SACCHARUM -
CARYA CORDIFORMIS TEMPORARILY FLOODED FOREST
ALLIANCE
Acer saccharum - Fraxinus spp. -
Tilia americana / Matteuccia struthiopteris - Ageratina altissima
Forest
I.B.2.N.d.5. BETULA NIGRA - (PLATANUS
OCCIDENTALIS) TEMPORARILY FLOODED FOREST
ALLIANCE
Betula nigra - Platanus
occidentalis / Impatiens pallida
Forest
I.B.2.N.d.9. FAGUS GRANDIFOLIA TEMPORARILY
FLOODED FOREST ALLIANCE
Fagus grandifolia - Quercus spp.
- Acer rubrum - Juglans nigra
Forest
I.B.2.N.d.12. LIQUIDAMBAR
STYRACIFLUA - (LIRIODENDRON TULIPIFERA, ACER RUBRUM) TEMPORARILY FLOODED FOREST
ALLIANCE
Liquidambar styraciflua - Quercus
palustris / Carpinus caroliniana / Carex intumescens
Forest
Liriodendron tulipifera - Acer
rubrum - Liquidambar styraciflua / Medeola virginiana forest
I.B.2.N.d.13. PLATANUS OCCIDENTALIS
- (FRAXINUS PENNSYLVANICA, CELTIS LAEVIGATA, ACER SACCHARINUM) TEMPORARILY
FLOODED FOREST
ALLIANCE
Platanus occidentalis - Acer
saccharinum - Juglans nigra - Ulmus rubra
Forest
I.B.2.N.d.14. PLATANUS OCCIDENTALIS
- (LIQUIDAMBAR STYRACIFLUA, LIRIODENDRON TULIPIFERA) TEMPORARILY FLOODED FOREST
ALLIANCE
Platanus occidentalis -
(Liquidambar styraciflua, Liriodendron tulipifera) / Asimina triloba forest
I.B.2.N.d.26. QUERCUS PALUSTRIS -
ACER RUBRUM TEMPORARILY FLOODED FOREST ALLIANCE
Quercus (palustris, phellos) - Acer rubrum / Cinna arundinacea Forest
I.B.2.N.e. Seasonally flooded cold-deciduous
forest
I.B.2.N.e.1. ACER RUBRUM - FRAXINUS
PENNSYLVANICA SEASONALLY FLOODED FOREST
ALLIANCE
Acer rubrum - Fraxinus (pennsylvanica,
americana) / Lindera benzoin / Symplocarpus foetidus
Forest
Acer rubrum - Fraxinus
pennsylvanica / Saururus cernuus
Forest
I.B.2.N.e.6. LIQUIDAMBAR
STYRACIFLUA - (ACER RUBRUM) SEASONALLY FLOODED FOREST
ALLIANCE
Liquidambar styraciflua - Acer
rubrum - Nyssa biflora / Carex joorii
Forest
Liquidambar styraciflua - Acer
rubrum - Quercus phellos / Leucothoe racemosa
Forest
I.B.2.N.e.8. NYSSA (AQUATICA,
BIFLORA, OGECHE) FLOODPLAIN SEASONALLY FLOODED FOREST
ALLIANCE
Nyssa biflora - (Liquidambar
styraciflua) / Itea virginica / Saururus cernuus
Forest
I.B.2.N.e.15. QUERCUS PHELLOS
SEASONALLY FLOODED FOREST
ALLIANCE
Quercus phellos / Carex striata
var. brevis
Forest
I.B.2.N.e.22. TAXODIUM DISTICHUM -
NYSSA (AQUATICA, BIFLORA, OGECHE) SEASONALLY FLOODED FOREST ALLIANCE
Taxodium distichum - Nyssa
biflora Chesapeake Bay forest
I.B.2.N.g. Saturated cold-deciduous
forest
I.B.2.N.g.2. ACER RUBRUM - NYSSA
SYLVATICA SATURATED FOREST ALLIANCE
Acer rubrum - Nyssa sylvatica -
Betula alleghaniensis / Sphagnum spp.
Forest
Acer rubrum - Nyssa sylvatica -
Liquidambar styraciflua - Populus heterophylla forest
Acer rubrum - Nyssa sylvatica -
Magnolia virginiana
Forest
Acer rubrum - Nyssa sylvatica
High Allegheny Plateau, Central Appalachian
Forest
I.B.2.N.g.1. FRAXINUS NIGRA - ACER
RUBRUM SATURATED FOREST
ALLIANCE
Acer rubrum - Fraxinus
pennsylvanica / Bidens laevis - Pilea fontana Forest
Fraxinus nigra - Acer rubrum /
Carex leptalea Saturated
Forest
Fraxinus nigra - Liriodendron
tulipifera - Acer rubrum / Caltha palustris - Carex bromoides
Forest
I.C.3.N.a. Mixed needle-leaved evergreen -
cold-deciduous forest
I.C.3.N.a.4. PICEA RUBENS - BETULA
ALLEGHANIENSIS FOREST ALLIANCE
Picea rubens - Betula
alleghaniensis - Prunus serotina
Forest
I.C.3.N.a.21. PINUS STROBUS -
QUERCUS (ALBA, RUBRA, VELUTINA) FOREST
ALLIANCE
Pinus strobus - Quercus rubra -
Liriodendron tulipifera
Forest
I.C.3.N.a.24. PINUS TAEDA - QUERCUS
(ALBA, FALCATA, STELLATA) FOREST ALLIANCE
(Pinus taeda) - Quercus falcata /
Gaylussacia frondosa Forest
I.C.3.N.a.27. PINUS VIRGINIANA -
QUERCUS (ALBA, STELLATA, FALCATA, VELUTINA) FOREST
ALLIANCE
Pinus virginiana - Quercus
falcata - Carya pallida
Forest
I.C.3.N.a.32. TSUGA CANADENSIS -
BETULA ALLEGHANIENSIS FOREST
ALLIANCE
Tsuga canadensis - Betula
alleghaniensis - Prunus serotina / Rhododendron maximum
Forest
Tsuga canadensis - Betula
alleghaniensis Lower New England / Northern Piedmont
Forest
I.C.3.N.a.33. TSUGA CANADENSIS -
LIRIODENDRON TULIPIFERA FOREST ALLIANCE
Tsuga canadensis - Fagus
grandifolia - Acer saccharum / (Hamamelis virginiana, Kalmia latifolia)
Forest
Tsuga canadensis / Ilex opaca /
Hieracium venosum
Forest
I.C.3.N.d. Saturated mixed
needle-leaved evergreen - cold-deciduous
forest
I.C.3.N.d.8. CHAMAECYPARIS THYOIDES
- ACER RUBRUM SATURATED FOREST ALLIANCE
Chamaecyparis thyoides - Acer
rubrum - Magnolia virginiana forest
I.C.3.N.e. Tidal mixed
needle-leaved evergreen - cold-deciduous
forest
I.C.3.N.e.100. PINUS TAEDA - NYSSA
BIFLORA - TAXODIUM DISTICHUM TIDAL FOREST
ALLIANCE
Pinus taeda - Nyssa biflora -
Taxodium distichum / Morella cerifera / Osmunda regalis var. spectabilis
Forest
II.
WOODLAND
II.A.4.N.a. Rounded-crowned
temperate or subpolar needle-leaved evergreen
woodland
II.A.4.N.a.23. PINUS PUNGENS - (PINUS
RIGIDA) WOODLAND
ALLIANCE
Pinus (pungens, rigida) / Quercus
ilicifolia / Gaylussacia baccata
Woodland
II.A.4.N.a.28. PINUS TAEDA WOODLAND
ALLIANCE
Pinus taeda / Hudsonia tomentosa
Woodland
II.A.4.N.b. Conical-crowned temperate or
subpolar needle-leaved evergreen woodland
II.A.4.N.b.2. JUNIPERUS VIRGINIANA
WOODLAND ALLIANCE
Juniperus virginiana var.
virginiana / Morella pensylvanica
Woodland
II.A.4.N.b.1. THUJA OCCIDENTALIS
WOODLAND
ALLIANCE
Thuja occidentalis / Carex
eburnea - Pellaea atropurpurea
Woodland
II.A.4.N.e. Seasonally flooded
temperate or subpolar needle-leaved evergreen
woodland
II.A.4.N.e.3. CHAMAECYPARIS
THYOIDES SEASONALLY FLOODED WOODLAND ALLIANCE
Chamaecyparis thyoides / Alnus
maritima woodland
II.B.2.N.a. Cold-deciduous woodland
II.B.2.N.a.4. FRAXINUS AMERICANA -
CARYA GLABRA - (JUNIPERUS VIRGINIANA) WOODLAND
ALLIANCE
Juniperus virginiana - Fraxinus
americana - Carya glabra / Carex pensylvanica - Cheilanthes lanosa woodland
II.B.2.N.a.21. QUERCUS
MUEHLENBERGII WOODLAND
ALLIANCE
Quercus muehlenbergii - Cercis
canadensis / Packera obovata - Lithospermum canescens Woodland
II.B.2.N.a.22. QUERCUS PRINUS -
QUERCUS COCCINEA WOODLAND ALLIANCE
Quercus prinus / Quercus
ilicifolia / Danthonia spicata - Solidago bicolor Woodland
II.B.2.N.a.24. QUERCUS RUBRA -
QUERCUS PRINUS WOODLAND ALLIANCE
Quercus prinus - Betula lenta /
Parthenocissus quinquefolia Talus Woodland
II.B.2.N.a.28. TILIA AMERICANA -
FRAXINUS AMERICANA - (ACER SACCHARUM) WOODLAND
ALLIANCE
Tilia americana - Fraxinus
americana / Acer pensylvanicum - Ostrya virginiana / Parthenocissus
quinquefolia - Impatiens pallida Woodland
Tilia americana - Fraxinus
americana / Cornus florida
Woodland
II.B.2.N.f. Tidal cold-deciduous
woodland
II.B.2.N.f.1. ACER RUBRUM -
FRAXINUS PENNSYLVANICA TIDAL WOODLAND
ALLIANCE
Fraxinus (profunda, pennsylvanica)
- (Nyssa biflora) / Polygonum arifolium
Woodland
II.C.3.N.a. Mixed needle-leaved
evergreen - cold-deciduous
woodland
II.C.3.N.a.9. PINUS (RIGIDA,
PUNGENS, VIRGINIANA) - QUERCUS PRINUS WOODLAND
ALLIANCE
Pinus (virginiana, rigida) -
Quercus prinus / Gaylussacia baccata - Vaccinium pallidum Woodland
[Provisional]*
Pinus virginiana - Quercus prinus
/ Deschampsia flexuosa - Cunila origanoides
Woodland
II.C.3.N.a.19. PINUS RIGIDA -
QUERCUS (COCCINEA, VELUTINA) WOODLAND
ALLIANCE
Pinus rigida - Quercus (coccinea,
velutina) / Schizachyrium scoparium
Woodland
III. SHRUBLAND
III.A.2.N.i. Saturated temperate
broad-leaved evergreen shrubland
III.A.2.N.i.100. MORELLA CERIFERA
SATURATED SHRUBLAND
ALLIANCE
Morella cerifera - Baccharis
halimifolia / Spartina patens Shrubland
Morella cerifera / Hydrocotyle
verticillata Shrubland
III.A.2.N.l. Tidal broad-leaved
evergreen temperate shrubland
A.806—MORELLA CERIFERA - ROSA
PALUSTRIS TIDAL SHRUBLAND ALLIANCE
(III.A.2.N.l.1)
Morella cerifera - Rosa palustris
/ Thelypteris palustris var. pubescens Shrubland
Morella cerifera – Baccharis
halimifolia / Eleocharis fallax Tidal Shrubland
III.B.2.N.a. Temperate cold-deciduous
shrubland
III.B.2.N.a.9. MORELLA PENSYLVANICA
- (PRUNUS MARITIMA) SHRUBLAND
ALLIANCE
Morella pensylvanica / Diodia
teres Shrubland
III.B.2.N.a.300. PRUNUS SEROTINA -
AMELANCHIER CANADENSIS - QUERCUS SPP. SHRUBLAND ALLIANCE
Prunus serotina / Morella
cerifera / Smilax rotundifolia Shrubland
III.B.2.N.a.16. SMILAX SPP. -
TOXICODENDRON RADICANS VINE-SHRUBLAND ALLIANCE
Smilax glauca - Toxicodendron
radicans Vine-Shrubland
III.B.2.N.d. Temporarily flooded
cold-deciduous shrubland
III.B.2.N.d.2. ALNUS SERRULATA TEMPORARILY
FLOODED SHRUBLAND ALLIANCE
Alnus serrulata - Physocarpus
opulifolius Shrubland
Cornus amomum - Alnus serrulata
Shrubland
III.B.2.N.d.10. BETULA NIGRA
TEMPORARILY FLOODED SHRUBLAND
ALLIANCE
Betula nigra - Salix interior Shrubland
III.B.2.N.d.7. SALIX NIGRA
TEMPORARILY FLOODED SHRUBLAND
ALLIANCE
Salix nigra Temporarily Flooded Shrubland
III.B.2.N.e. Seasonally flooded
cold-deciduous shrubland
III.B.2.N.e.3. CEPHALANTHUS
OCCIDENTALIS SEASONALLY FLOODED SHRUBLAND
ALLIANCE
Cephalanthus occidentalis /
Polygonum hydropiperoides - Panicum verrucosum Shrubland
III.B.2.N.e.25. MORELLA (CERIFERA,
PENSYLVANICA) - VACCINIUM FORMOSUM SEASONALLY FLOODED SHRUBLAND
ALLIANCE
Morella cerifera - Vaccinium
corymbosum Shrubland
III.B.2.N.e.7. VACCINIUM FORMOSUM -
VACCINIUM FUSCATUM SEASONALLY FLOODED SHRUBLAND
ALLIANCE
Vaccinium formosum - Vaccinium
fuscatum / Sphagnum cuspidatum Shrubland
III.B.2.N.f. Semipermanently
flooded cold-deciduous shrubland
III.B.2.N.f.1. CEPHALANTHUS
OCCIDENTALIS SEMIPERMANENTLY FLOODED SHRUBLAND
ALLIANCE
Cephalanthus occidentalis /
Glyceria canadensis Shrubland
III.B.2.N.f.3. DECODON
VERTICILLATUS SEMIPERMANENTLY FLOODED SHRUBLAND ALLIANCE
Decodon verticillatus
Semipermanently Flooded Shrubland
III.B.2.N.h. Tidal cold-deciduous
shrubland
A.1024—ALNUS (INCANA, SERRULATA,
MARITIMA) TIDAL SHRUBLAND ALLIANCE
(III.B.2.N.h.2)
Alnus maritima / Acorus calamus
Tidal Shrubland
A.3024—AMORPHA FRUTICOSA TIDAL
SHRUBLAND ALLIANCE
(III.B.2.N.h)
Amorpha fruticosa Tidal Shrubland
A.1023—BACCHARIS HALIMIFOLIA - IVA
FRUTESCENS TIDAL SHRUBLAND ALLIANCE
(III.B.2.N.h.1)
Baccharis halimifolia - Iva
frutescens / Spartina patens Shrubland
Iva frutescens / Spartina
cynosuroides Tidal Shrubland
A.3025--SALIX NIGRA TIDAL SHRUBLAND
ALLIANCE
(III.B.2.N.h).
III.B.2.N.h.1. BACCHARIS
HALIMIFOLIA - IVA FRUTESCENS TIDAL SHRUBLAND
ALLIANCE
Baccharis halimifolia - Iva
frutescens - Morella cerifera - (Ilex vomitoria) Shrubland
Baccharis halimifolia - Iva
frutescens / Spartina patens Shrubland
IV. DWARF-SHRUBLAND
IV.A.1.N.a. Caespitose
needle-leaved or microphyllous evergreen dwarf-shrubland
IV.A.1.N.a.4. HUDSONIA TOMENTOSA
DWARF-SHRUBLAND
ALLIANCE
Hudsonia tomentosa / Panicum
amarum var. amarulum Dwarf-shrubland
IV.B.2.N.a. Caespitose cold-deciduous
dwarf-shrubland
IV.B.2.N.a.1. VACCINIUM (ANGUSTIFOLIUM,
MYRTILLOIDES, PALLIDUM) DWARF-SHRUBLAND ALLIANCE
Vaccinium (angustifolium,
myrtilloides, pallidum) High Allegheny Plateau / Central Appalachian Dwarf-shrubland
V. HERBACEOUS
VEGETATION
V.A.5.N.c. Medium-tall sod temperate or
subpolar grassland
V.A.5.N.c.2. AMMOPHILA
BREVILIGULATA HERBACEOUS
ALLIANCE
Ammophila breviligulata - Panicum
amarum var. amarum Herbaceous
Vegetation
V.A.5.N.e. Short sod temperate or subpolar
grassland
V.A.5.N.e.1. SPARTINA PATENS - (SCHOENOPLECTUS
PUNGENS) HERBACEOUS ALLIANCE
Spartina patens - Schoenoplectus
pungens - Solidago sempervirens Herbaceous
Vegetation
V.A.5.N.j. Temporarily flooded temperate or
subpolar grassland
V.A.5.N.j.1. ANDROPOGON GERARDII -
(SORGHASTRUM NUTANS) TEMPORARILY FLOODED HERBACEOUS ALLIANCE
Andropogon gerardii - Panicum
virgatum - Baptisia australis Herbaceous
Vegetation
Andropogon gerardii - Phlox
subulata - Solidago simplex var. racemosa - Packera paupercula Herbaceous
Vegetation
V.A.5.N.k. Seasonally flooded temperate or
subpolar grassland
V.A.5.N.k.39. CALAMAGROSTIS
CANADENSIS SEASONALLY FLOODED HERBACEOUS
ALLIANCE
Calamagrostis canadensis -
Phalaris arundinacea Herbaceous
Vegetation
V.A.5.N.k.65. CAREX STRIATA
SEASONALLY FLOODED HERBACEOUS
ALLIANCE
Carex striata var. brevis
Herbaceous
Vegetation
V.A.5.N.k.36. CAREX STRICTA
SEASONALLY FLOODED HERBACEOUS
ALLIANCE
Carex stricta - Carex vesicaria
Seasonally Flooded Herbaceous
Vegetation
V.A.5.N.k.11. FIMBRISTYLIS CASTANEA
- SCHOENOPLECTUS PUNGENS SEASONALLY FLOODED HERBACEOUS ALLIANCE
Schoenoplectus pungens -
Fimbristylis (castanea, caroliniana) Herbaceous Vegetation
V.A.5.N.k.66. JUNCUS DICHOTOMUS
SEASONALLY FLOODED HERBACEOUS
ALLIANCE
Juncus (dichotomus, scirpoides) -
Drosera intermedia Herbaceous
Vegetation
V.A.5.N.k.18. PANICUM HEMITOMON SEASONALLY
FLOODED TEMPERATE HERBACEOUS ALLIANCE
Panicum hemitomon - Panicum
verrucosum Herbaceous Vegetation
V.A.5.N.k.1. PANICUM VIRGATUM
SEASONALLY FLOODED HERBACEOUS
ALLIANCE
(Morella cerifera) - Panicum
virgatum - Spartina patens Herbaceous
Vegetation
V.A.5.N.k.23. RHYNCHOSPORA SPP. -
PANICUM (RIGIDULUM, VERRUCOSUM) - RHEXIA VIRGINICA SEASONALLY FLOODED HERBACEOUS
ALLIANCE
Saccharum giganteum - (Dichanthelium
spretum, Panicum verrucosum) Herbaceous
Vegetation
V.A.5.N.k.25. SCIRPUS CYPERINUS
SEASONALLY FLOODED HERBACEOUS
ALLIANCE
Scirpus cyperinus Seasonally Flooded
Herbaceous Vegetation
V.A.5.N.k.29. SPARTINA PATENS
SEASONALLY FLOODED HERBACEOUS
ALLIANCE
Spartina patens - Eleocharis
parvula Herbaceous Vegetation
V.A.5.N.l. Semipermanently flooded
temperate or subpolar
grassland
V.A.5.N.l.16. SCHOENOPLECTUS ACUTUS
- (SCHOENOPLECTUS TABERNAEMONTANI) SEMIPERMANENTLY FLOODED HERBACEOUS
ALLIANCE
Schoenoplectus (tabernaemontani,
acutus) Eastern Herbaceous
Vegetation
V.A.5.N.l.9. TYPHA (ANGUSTIFOLIA,
LATIFOLIA) - (SCHOENOPLECTUS SPP.) SEMIPERMANENTLY FLOODED HERBACEOUS
ALLIANCE
Typha (angustifolia, latifolia) -
(Schoenoplectus spp.) Eastern Herbaceous
Vegetation
V.A.5.N.m. Saturated temperate or
subpolar
grassland
V.A.5.N.m.1. CLADIUM MARISCOIDES
SATURATED HERBACEOUS
ALLIANCE
Cladium mariscoides - Drosera
intermedia - Eleocharis rostellata Herbaceous
Vegetation
V.A.5.N.n. Tidal temperate or subpolar
grassland
V.A.5.N.n.300. ACORUS CALAMUS TIDAL
HERBACEOUS ALLIANCE
Acorus calamus Tidal Herbaceous
Vegetation
V.A.5.N.n.301. CAREX HYALINOLEPIS
TIDAL HERBACEOUS
ALLIANCE
Carex hyalinolepis Tidal
Herbaceous
Vegetation
V.A.5.N.n.4. ELEOCHARIS FALLAX -
ELEOCHARIS ROSTELLATA TIDAL HERBACEOUS
ALLIANCE
Eleocharis fallax - Eleocharis
rostellata - Schoenoplectus americanus - Sagittaria lancifolia Herbaceous
Vegetation
Eleocharis rostellata - Spartina
patens Herbaceous
Vegetation
V.A.5.N.n.5. JUNCUS ROEMERIANUS
TIDAL HERBACEOUS
ALLIANCE
Juncus roemerianus Herbaceous
Vegetation
V.A.5.N.n.6. PANICUM VIRGATUM TIDAL
HERBACEOUS
ALLIANCE
Panicum virgatum - Spartina patens
Herbaceous Vegetation
V.A.5.N.n.100. SCHOENOPLECTUS AMERICANUS TIDAL HERBACEOUS ALLIANCE
Schoenoplectus americanus -
Spartina patens Herbaceous
Vegetation
V.A.5.N.n.8. SCHOENOPLECTUS PUNGENS TIDAL
HERBACEOUS ALLIANCE
Schoenoplectus pungens Tidal
Herbaceous
Vegetation
V.A.5.N.n.1. SPARTINA ALTERNIFLORA
TIDAL HERBACEOUS
ALLIANCE
Spartina alterniflora -
Amaranthus cannabinus Herbaceous Vegetation
Spartina alterniflora -
Ptilimnium capillaceum - Polygonum punctatum Herbaceous
Vegetation
Spartina alterniflora / (Ascophyllum
nodosum) Acadian/Virginian Zone Herbaceous Vegetation
V.A.5.N.n.10. SPARTINA CYNOSUROIDES
TIDAL HERBACEOUS
ALLIANCE
Spartina cynosuroides Herbaceous Vegetation
V.A.5.N.n.11. SPARTINA PATENS - (DISTICHLIS
SPICATA) TIDAL HERBACEOUS
ALLIANCE
Spartina patens - Distichlis
spicata - Juncus roemerianus Herbaceous
Vegetation
V.A.5.N.n.2. TYPHA (ANGUSTIFOLIA,
DOMINGENSIS) TIDAL HERBACEOUS
ALLIANCE
Typha angustifolia - Hibiscus
moscheutos Herbaceous Vegetation
V.A.5.N.n.14. ZIZANIA AQUATICA
TIDAL HERBACEOUS
ALLIANCE
Zizania aquatica Tidal Herbaceous
Vegetation
V.A.6.N.q. Bedrock temperate or
subpolar grassland with a sparse tree
layer
V.A.6.N.q.101. (JUNIPERUS
VIRGINIANA) / SCHIZACHYRIUM SCOPARIUM - (BOUTELOUA CURTIPENDULA) WOODED
HERBACEOUS
ALLIANCE
Juniperus virginiana / Bouteloua
curtipendula - Carex eburnea Wooded Herbaceous
Vegetation
V.A.6.N.q.103. (PINUS RIGIDA) /
SCHIZACHYRIUM SCOPARIUM WOODED HERBACEOUS
ALLIANCE
Pinus rigida / Schizachyrium
scoparium - Scleria pauciflora Wooded Herbaceous Vegetation
V.A.7.N.g. Medium-tall temperate or
subpolar grassland with a sparse cold-deciduous shrub
layer
V.A.7.N.g.1. SCHIZACHYRIUM
LITTORALE SHRUB HERBACEOUS
ALLIANCE
Morella (pensylvanica, cerifera)
/ Schizachyrium littorale - Eupatorium hyssopifolium Shrub Herbaceous
Vegetation
V.B.2.N.d. Temporarily flooded
temperate perennial forb
vegetation
V.B.2.N.d.2. JUSTICIA AMERICANA TEMPORARILY
FLOODED HERBACEOUS ALLIANCE
Justicia americana Herbaceous Vegetation
V.B.2.N.e. Semipermanently flooded temperate
perennial forb Vegetation
V.B.2.N.e.1. PONTEDERIA CORDATA -
PELTANDRA VIRGINICA SEMIPERMANENTLY FLOODED HERBACEOUS ALLIANCE
Peltandra virginica - Saururus
cernuus - Carex crinita / Climacium americanum Herbaceous
Vegetation
V.B.2.N.f. Saturated temperate
perennial forb
vegetation
V.B.2.N.f.4. CHRYSOSPLENIUM AMERICANUM SATURATED HERBACEOUS ALLIANCE
Chrysosplenium americanum
Herbaceous
Vegetation
V.B.2.N.g. Tidal temperate
perennial forb
vegetation
V.B.2.N.g.6. AMARANTHUS CANNABINUS
TIDAL HERBACEOUS
ALLIANCE
Amaranthus cannabinus Tidal
Herbaceous
Vegetation
V.B.2.N.g.1. ERIOCAULON PARKERI TIDAL
HERBACEOUS ALLIANCE
Eriocaulon parkeri - Polygonum
punctatum Herbaceous
Vegetation
V.B.2.N.g.301. ISOETES RIPARIA TIDAL
HERBACEOUS ALLIANCE
Isoetes riparia Tidal Herbaceous
Vegetation
V.B.2.N.g.300. NELUMBO LUTEA TIDAL HERBACEOUS
ALLIANCE
Nelumbo lutea Tidal Herbaceous
Vegetation
V.B.2.N.g.8. NUPHAR LUTEA TIDAL HERBACEOUS ALLIANCE
Nuphar lutea ssp. advena Tidal
Herbaceous
Vegetation
V.B.2.N.g.3. PELTANDRA VIRGINICA - PONTEDERIA CORDATA TIDAL HERBACEOUS ALLIANCE
Hibiscus moscheutos - Polygonum
arifolium - Leersia oryzoides - (Carex stricta) Tidal Herbaceous
Vegetation
Impatiens capensis - Peltandra
virginica - Sagittaria latifolia - (Typha angustifolia) Tidal Herbaceous
Vegetation
Peltandra virginica - Pontederia
cordata Tidal Herbaceous
Vegetation
V.B.2.N.g.10. SAGITTARIA SUBULATA - LIMOSELLA AUSTRALIS TIDAL HERBACEOUS ALLIANCE
Sagittaria subulata - Limosella
australis Tidal Herbaceous
Vegetation
V.B.2.N.g.4. SARCOCORNIA PERENNIS - (DISTICHLIS SPICATA, SALICORNIA SPP.) TIDAL HERBACEOUS ALLIANCE
Salicornia (virginica, bigelovii,
maritima) - Spartina alterniflora Herbaceous
Vegetation
V.B.2.N.h. Seasonally flooded
temperate perennial forb
vegetation
V.B.2.N.h.3. WOODWARDIA VIRGINICA SEASONALLY FLOODED HERBACEOUS ALLIANCE
Woodwardia virginica / Sphagnum
cuspidatum Herbaceous
Vegetation
V.C.2.N.a. Permanently flooded
temperate or subpolar hydromorphic rooted
vegetation
V.C.2.N.a.102. NYMPHAEA ODORATA - NUPHAR SPP. PERMANENTLY FLOODED TEMPERATE HERBACEOUS ALLIANCE
Nuphar lutea ssp. advena -
Nymphaea odorata Herbaceous
Vegetation
Nymphaea odorata - Eleocharis
robbinsii Herbaceous
Vegetation
V.C.2.N.a.12. PODOSTEMUM CERATOPHYLLUM PERMANENTLY FLOODED HERBACEOUS ALLIANCE
Podostemum ceratophyllum
Herbaceous
Vegetation
V.C.2.N.a.17. VALLISNERIA AMERICANA PERMANENTLY FLOODED TEMPERATE HERBACEOUS ALLIANCE
Vallisneria americana -
Potamogeton perfoliatus Herbaceous
Vegetation
V.C.2.N.b. Permanently
flooded-tidal temperate or subpolar hydromorphic rooted
vegetation
V.C.2.N.b.2. CERATOPHYLLUM DEMERSUM PERMANENTLY FLOODED - TIDAL HERBACEOUS ALLIANCE
Ceratophyllum demersum -
Vallisneria americana - Najas spp. Tidal Herbaceous
Vegetation
V.C.2.N.b.4. RUPPIA MARITIMA PERMANENTLY FLOODED - TIDAL TEMPERATE HERBACEOUS ALLIANCE
Ruppia maritima Acadian/Virginian
Zone Temperate Herbaceous
Vegetation
V.C.2.N.b.3. STUCKENIA PECTINATA - ZANNICHELLIA PALUSTRIS PERMANENTLY FLOODED - TIDAL HERBACEOUS ALLIANCE
Stuckenia pectinata - Potamogeton
perfoliatus - (Zannichellia palustris) Tidal Herbaceous
Vegetation
V.C.2.N.b.1. ZOSTERA MARINA PERMANENTLY FLOODED - TIDAL HERBACEOUS ALLIANCE
Zostera marina Herbaceous
Vegetation
V.D.2.N.g. Seasonally flooded
temperate annual
grassland
V.D.2.N.g.1. ERAGROSTIS HYPNOIDES - LIPOCARPHA MICRANTHA - MICRANTHEMUM UMBROSUM SEASONALLY FLOODED HERBACEOUS ALLIANCE
Eragrostis hypnoides - Ludwigia
sphaerocarpa - Polygonum hydropiperoides Herbaceous
Vegetation
VII. SPARSE
VEGETATION
VII.A.1.N.a. Cliffs with sparse
vascular
vegetation
VII.A.1.N.a.2. ASPLENIUM RUTA-MURARIA - PELLAEA ATROPURPUREA SPARSELY VEGETATED ALLIANCE
Asplenium ruta-muraria - Pellaea
atropurpurea Sparse
Vegetation
VII.C.2.N.a. Sand
flats
VII.C.2.N.a.2. CAKILE EDENTULA SPARSELY VEGETATED ALLIANCE
Cakile edentula ssp. edentula -
Chamaesyce polygonifolia Sparse
Vegetation
VII.C.2.N.d. Tidal sand
flats
VII.C.2.N.d.3. SESUVIUM SPP. - ATRIPLEX SPP. - SUAEDA SPP. TIDAL SPARSELY VEGETATED ALLIANCE
Sesuvium portulacastrum -
Atriplex spp. - Suaeda spp. Sparse
Vegetation