Habitats of North Carolina
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Members of Floodplain Forests:
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Floodplain Forests
Rich Wet-Mesic Hardwood Forests

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Habitat Overview Members of this habitat include plants that require both shaded, humid microclimates and nutrient-rich soils. Also included are the herbivores associated with these plants; one insectivore, the Kentucky Warbler is included since it nests on the ground in the rich herb cover typical of these habitats.

This particular group occurs fairly widely, being found in two or more of the physiographic regions of the state; species that require the same kind of habitat conditions but are restricted to just one of the provinces are treated in more narrowly-defined groups.

Some examples of this habitat are directly associated with rock formations that weather to produce soils that have both high nutrient content and relatively high pH These include mafic rocks, such as gabbro, diabase, basalt, and amphibolite. Calcareous rocks, including limestone in a few places in the mountains and marl and shell-deposits in the Outer Coastal Plain are also occupied. Most of these examples occur on slopes, usually with an east- or north-facing exposure, limiting insolation and helping preserve the cool, moist microclimates needed by the species of this habitat. Where particularly rich soils are created, species normally restricted to cool slopes can grow on flats, including those on the tops of ridges.

The other main examples of this habitat are associated with the rich alluvial soils that are produced where streams flow through nutrient-rich rock formations. These soils are deposited in bottomlands, where the soils are kept wet by stream flow and where the microclimate is kept moist due to evaporation from the abundant surface waters. Species growing well out on the floodplain must be adapted to surviving at least some degree of flooding, but species on the lower slopes and upper terraces are less so.

These habitats are fairly common in the mountains and Piedmont; in the Coastal Plain they are confined to brownwater rivers and a few wet flats associated with calcareous substrates.


Related NHP Natural Communities
Defining Species
Taxa Global RankState RankImperilment ScoreHabitat Risk Index
HARDWOODS
Acer floridanum - Florida Maple G4G5S50.0000
Carya cordiformis - Bitternut Hickory G5S41.000.2500
Carya laciniosa - Shellbark Hickory G5S15.390.8300
Carya ovata - Shagbark Hickory G5S41.000.2500
Celtis laevigata - Sugarberry G5S51.000.0000
Juglans nigra - Black Walnut G5S41.000.2500
Magnolia macrophylla - Bigleaf Magnolia G5S22.840.6650
Quercus bicolor - Swamp White Oak G5S22.840.6650
Quercus shumardii - Shumard Oak G5S41.000.2500
Ulmus rubra - Slippery Elm G5S51.000.0000
MOTHS
Acronicta morula - Ochre Dagger
Baileya australis - Small Baileya G5S4S51.000.1250
Caloptilia blandella GNRS3S41.080.3750
Cameraria aesculisella GNRSU1.490.3750
Catocala agrippina - Agrippina Underwing Moth G5S2S41.490.5000
Catocala luctuosa - Hulst's Underwing Moth G4S16.330.8300
Catocala nebulosa - Clouded Underwing G5S41.000.2500
Catocala neogama - Bride Underwing G5S41.000.2500
Catocala orba - Orb Underwing G4S2S32.420.5825
Catocala piatrix - Penitent Underwing G5S41.000.2500
Catocala subnata - Youthful Underwing G5S3S41.080.3750
Hypena abalienalis - White-lined Bomolocha
Hypena humuli - Hop Vine Moth G5S3S41.080.3750
Hypena madefactalis - Gray-edged Bomolocha G5S4S51.000.1250
Hypena sordidula - Sordid Bomolocha G4S3S41.270.3750
Nerice bidentata - Double-toothed Prominent G5S41.000.2500
Omphalocera munroei - Asimina Webworm Moth GNRS3S41.080.3750
Papaipema rutila - Mayapple Borer G4S2S32.420.5825
Peridea basitriens - Oval-Based Prominent G5S41.000.2500
Phyllonorycter lucidicostella - Lesser Maple Leaf Blotch Miner Moth GNRSU1.490.3750
Scopula ordinata GUS3S41.380.3750
Talponia plummeriana - Speckled Talponia Moth GNRS2S41.490.5000
Trigrammia quadrinotaria - Four-spotted Angle G4S41.000.2500
FORBS
Actaea pachypoda - White Baneberry G5S41.000.2500
Actaea racemosa - Black Cohosh G5S41.000.2500
Amsonia tabernaemontana - Eastern Bluestar G5S51.000.0000
Arisaema dracontium - Green Dragon G5S3S41.080.3750
Aruncus dioicus - Eastern Goat's-beard G5S41.000.2500
Asarum canadense - Canada Wild-ginger G5S51.000.0000
Cardamine angustata - Slender Toothwort G5S41.000.2500
Cardamine concatenata - Cutleaf Toothwort G5S41.000.2500
Cardamine diphylla - Two-leaved Toothwort G5S51.000.0000
Cardamine dissecta - Forkleaf Toothwort G4S23.330.6650
Cardamine douglassii - Limestone Bittercress G5S22.840.6650
Caulophyllum thalictroides - Common Blue Cohosh G5S51.000.0000
Chaerophyllum procumbens - Spreading Chervil G5S31.490.5000
Circaea canadensis - Broadleaf Enchanter's-nightshade G5S51.000.0000
Collinsonia canadensis - Canada Horsebalm G5S51.000.0000
Collinsonia tuberosa - Deepwoods Horsebalm G3G4S16.860.8300
Coreopsis tripteris - Tall Tickseed G5S31.490.5000
Corydalis flavula - Yellow Fumewort G5S41.000.2500
Cryptotaenia canadensis - Canadian Honewort G5S51.000.0000
Cypripedium parviflorum - Yellow Lady's-slipper G5S31.490.5000
Delphinium tricorne - Dwarf Larkspur G5S31.490.5000
Dicentra cucullaria - Dutchman's Breeches G5S41.000.2500
Enemion biternatum - False Rue-anemone G5S22.840.6650
Erigenia bulbosa - Harbinger-of-spring G5S15.390.8300
Erythronium americanum - Yellow Trout-lily G5S31.490.5000
Euonymus atropurpureus - Eastern Wahoo G5S22.840.6650
Euphorbia obtusata - Woodland Spurge G4S31.750.5000
Eurybia mirabilis - Bouquet Aster G3S37.800.5000
Geranium maculatum - Wild Geranium G5S51.000.0000
Hydrophyllum canadense - Bluntleaf Waterleaf G5S41.000.2500
Hylodesmum glutinosum - Pointedleaf Tick-trefoil G5S22.840.6650
Iris cristata - Dwarf Crested Iris G5S51.000.0000
Laportea canadensis - Canada Wood-nettle G5S51.000.0000
Menispermum canadense - Canada Moonseed G5S41.000.2500
Mertensia virginica - Virginia Bluebells G5S22.840.6650
Nemophila aphylla - Small-flower Baby-blue-eyes G5S41.000.2500
Panax quinquefolius - American Ginseng G3G4S3S41.380.3750
Panax trifolius - Dwarf Ginseng G5S31.490.5000
Phacelia covillei - Coville's Phacelia G3S37.800.5000
Podophyllum peltatum - Mayapple G5S51.000.0000
Polemonium reptans - Creeping Jacob's-ladder G5S15.390.8300
Ranunculus micranthus - Rock Buttercup G5S15.390.8300
Sanguinaria canadensis - Bloodroot G5S51.000.0000
Scrophularia marilandica - Late Figwort G5S31.490.5000
Symphyotrichum phlogifolium - Thinleaf Late Purple Aster G5S31.490.5000
Tiarella cordifolia - Heartleaf Foamflower G5S51.000.0000
Tradescantia virginiana - Virginia Spiderwort G5S22.840.6650
Trillium cuneatum - Little Sweet Trillium G4G5S31.620.5000
Viola walteri - Prostrate Blue Violet G4G5S15.840.8300
FERNS
Adiantum pedatum - Northern Maidenhair Fern G5S51.000.0000
SHRUBS
Aesculus sylvatica - Painted Buckeye G5S51.000.0000
Asimina triloba - Common Pawpaw G5S51.000.0000
Calycanthus floridus - Sweetshrub G5S51.000.0000
Cornus alternifolia - Alternate-leaf Dogwood G5S41.000.2500
Crataegus spathulata - Littlehip Hawthorn G5S1S23.910.7475
Dirca palustris - Eastern Leatherwood G4S31.750.5000
Philadelphus inodorus - Scentless Mock-orange G4G5S31.620.5000
Staphylea trifolia - American Bladdernut G5S41.000.2500
VINES
Ampelopsis cordata - Heartleaf Peppervine G5S22.840.6650
Vitis labrusca - Fox Grape G5S41.000.2500
Vitis riparia - Riverbank Grape G5S22.840.6650
BUTTERFLIES
Anthocharis midea - Falcate Orangetip G5S4S5 [S5]
Eurytides marcellus - Zebra Swallowtail G5S51.000.0000
Polygonia comma - Eastern Comma G5S51.000.0000
Polygonia interrogationis - Question Mark G5S51.000.0000
GRAMINOIDS
Bromus pubescens - Hairy Woodland Brome G5S41.000.2500
Carex blanda - Eastern Woodland Sedge G5S41.000.2500
Carex bromoides ssp. bromoides - Brome-like Sedge G5T5S30.5000
Carex crebriflora - Coastal Plain Sedge G4S23.330.6650
Carex jamesii - James's Sedge G5S22.840.6650
Chasmanthium latifolium - River Oats G5S41.000.2500
Elymus macgregorii - Early Wild-rye G5S31.490.5000
HEMIPTERAN HOPPERS
Dikrella maculata
Pediopsoides distinctus
BIRDS
Geothlypis formosa - Kentucky Warbler G5S3S41.080.3750
Sum: 189.46
ENE Value of 34.8300 * (1 - # of S5: 23 / # Species 101) = 26.90
Average of 101: 1.88

Phagic and Competitory Symbioses: Acer floridanum-Acer saccharum/Cameraria saccharella-Peridea basitriens-Phyllonorycter lucidicostella) // (Aesculus species/Cameraria aesculisella-Trigrammia quadrinotaria complex) // (Apocarya Hickory species/Catocala agrippina-Catocala nebulosa) // (Asimina species/Eurytides marcellus-Omphalocera munroei-Talponia plummeriana) // (Cardamine species/Anthocharis midea) // (Juglans nigra/Baileya australis-Hypena madefactilis) // (Juglans species/Catocala neogama) // (Carya cordiformis/Catocala subnata) // (Laportea canadensis/Hypena madefactilis) // (Podophyllum peltatum/Papaipema rutila) // (Urticaceae species/Hypena humuli)

Candidates for Inclusion
Habitat Sub-sets
Distribution Map
Distribution
Survey Coverage Map
Survey Coverage
Survey Priorities
Average Imperilment of Habitat Members
Habitat Conservation Status
High Quality Habitat Occurrence Table
High Quality Habitat Occurrences
Protected Habitat Occurrences
Threats and Trends
Status Summary
Stewardship Recommendations
References
Updated on 2020-02-23 21:47:52