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Wetland Evaluation and Delineation Program

Wetland Communities - Hydric Hammocks

Hydric HammockHydric Hammocks are forested wetlands (swamps) that are dominated by a mixture of primarily hardwood tree species with sabal palms. Hydric hammocks are typically found in areas where limestone is close to the soil surface. Soils are variable, often a clay layer or limestone layer helps keep the soil saturated for long periods. Look for stripped matrix in the upper six inches of the soil column. Typical hydrologic indicators include buttressing, loop roots, elevated lichen lines and crayfish chimneys. See illustrated plant ID cards for common plants.


Botanical name Common name DEP status
Acer rubrum red maple FACW
Celtis laevigata sugar-berry; hackberry FACW
Diospyros virginiana common persimmon FAC
Fraxinus americana white ash UPLAND
Fraxinus profunda pumpkin ash OBL
Gleditsia aquatica water-locust OBL
Gleditsia triacanthos honey-locust FACW
Ilex cassine dahoon holly OBL
Ilex opaca American holly FAC
Juniperus virginiana eastern red cedar UPLAND
Liquidambar styraciflua sweetgum FACW
Liriodendron tulipifera tulip tree FACW
Magnolia grandiflora southern magnolia UPLAND
Magnolia virginiana var. australis sweetbay magnolia OBL
Morus rubra red mulberry FAC
Nyssa sylvatica var. biflora swamp tupelo OBL
Persea palustris swamp bay OBL
Pinus ellottii slash pine UPLAND
Pinus teada loblolly pine UPLAND
Quercus laurifolia laurel oak FACW
Quercus michauxii swamp chestnut oak FACW
Quercus nigra water oak FACW
Quercus virginiana live oak UPLAND
Sabal palmetto cabbage palm FAC
Tilia americana American basswood FACW
Ulmus americana var. floridana American elm FACW


Subcanopy and Groundcover

Botanical name Common name DEP status
Aesculus pavia red buckeye UPLAND
Arisaema spp. jack-in-the-pulpit; green-dragon FACW
Berchemia scandens rattan vine VINE
Carpinus caroliniana American hornbeam FACW
Chasmanthium latifolium spangle grass FAC
Chasmanthium sessiliflorum longleaf chasmanthium FAC
Chasmanthium spp. spanglegrass FACW
Crataegus marshallii parsley haw FACW
Crataegus viridis green haw FACW
Decumaria barbara climbing hydrangea VINE
Elephantopus nudatus purple elephant’s foot UPLAND
Elytraria caroliniensis Carolina scaly-stem FAC
Itea virginica Virginia willow OBL
Lyonia lucida fetter-bush FACW
Mitchella repens partridge berry UPLAND
Osmunda cinnamomea cinnamon fern FACW
Rhapidophyllum hystrix needle palm FACW
Rhynchospora spp. beakrush FACW
Sabal minor dwarf palmetto FACW
Viburnum dentatum arrow-wood FACW
Viburnum obovatum Walter viburnum FACW
Woodwardia areolata chainfern OBL
Woodwardia virginica chainfern FACW




Last updated: June 30, 2015

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