Illegal Aquatic Plants-Weeds of South Carolina Identification

PDF 12 pages 26 weeds identified by South Carolina Department of Natural Resources. Non-native plants are responsible for most aquatic weed problems in South Carolina. The lack of natural controls allows these plant species to thrive and develop large dense populations that impair the health and use of our public waterways. Aquatic weeds, such as hydrilla and water hyacinth, obstruct navigable waterways, restrict water flow, clog water intakes, degrade water quality, provide breeding habitat for mosquitoes and other pests, interfere with recreation, displace native plant species, and may upset the balance of desirable fish populations. Since 1981, over $18 million has been spent trying to control nuisance aquatic plant populations in public waters, with most of the funding used to control non-native species.



Noxious Weed List for South Carolina



Alligatorweed Alternanthera philoxeroides

Brazilian elodea Egeria densa

Common reed Phragmites australis

Eurasian watermilfoil Myriophyllum spicatum

Giant salvinia Salvinia molesta, S. biloba, S. herzogii, S. auriculata

Hydrilla* Hydrilla verticillata

Purple Loosestrife Lythrum salicaria

Slender naiad Najas minor

Water chestnut Trapa natans

Water hyacinth Eichhornia crassipes

Water Lettuce Pistia stratiotes

Water primrose Ludwigia hexapetala

African oxygen weed* Lagarosiphon major

Ambulia* Limnophila sessiliflora

Arrowhead* Sagittaria sagittifolia

Arrow-leaved monochoria* Monochoria hastata

Duck lettuce* Ottelia alismoides

Exotic bur reed* Sparganium erectum

Mediterranean clone of caulerpa* Caulerpa taxifolia

Melaleuca* Melaleuca quinquenervia

Miramar weed* Hygrophila polysperma

Pickerel weed* Monochoria vaginalis

Mosquito fern* Azolla pinnata

Rooted water hyacinth* Eichhornia azurea

Water spinach* Ipomoea aquatica

Wetland nightshade* Solanum tampicense


* also on Federal Noxious Weed List



Regions Impacted: (See related documents in region)

USA,

South Atlantic,

Southeast,

Southern




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