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Rhynchospora filifolia - Juncus abortivus Marsh
Translated Name: Threadleaf Beaksedge - Annual Rush Marsh
Common Name: Coastal Plain Limesink Pond (Threadleaf Beaksedge Type)
Unique Identifier: CEGL004131
Classification Approach: International Vegetation Classification (IVC)
Summary: This association occupies lower margins of limesinks and other ponds of the Atlantic and Gulf coastal plains of the United States from North Carolina south to Florida and west to Alabama. Stands are dominated by Rhynchospora filifolia and Juncus abortivus. Other characteristic species include Rhynchospora pleiantha, Eleocharis tricostata, Centella erecta, Rhynchospora nitens, and Juncus repens.



Classification

Classification Confidence: Low
Classification Comments: Some occurrences may be a mosaic of Dichanthelium-dominated (CEGL004105) and Rhynchospora-dominated (CEGL004131) zones. In some other examples the zones may be more distinctive and spatially separated. At Fort Benning, Georgia, Dichanthelium-dominated pond vegetation seems to predominate over the Rhynchospora filifolia-dominated types, and the latter is not recognized as a distinct association.

Vegetation Hierarchy
Class 2 - Shrub & Herb Vegetation
Subclass 2.C - Shrub & Herb Wetland
Formation 2.C.4 - Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland
Division 2.C.4.Ne - Atlantic & Gulf Coastal Marsh, Wet Meadow & Shrubland
Macrogroup Atlantic & Gulf Coastal Plain Wet Prairie & Marsh
Group Atlantic & Gulf Coastal Plain Pondshore & Wet Prairie
Alliance Southern Limesink Marsh

This is the revised vegetation hierarchy. For more information see Classification Sources and usnvc.org.

Similar Associations
Unique Identifier Name
CEGL004105 Dichanthelium wrightianum - Dichanthelium erectifolium Marsh



Related Concepts from Other Classifications

Related Subnational Community Units
These data are subject to substantial ongoing revision and may be out of date for some states.
In the U.S., contact the state Heritage Program for the most complete and up-to-date information at: http://www.natureserve.org/natureserve-network.
Information from programs in other jurisdictions will be posted when they are made available.
Subnation Concept Name Relationship to Standard Confidence Reference
Alabama Rhynchospora filifolia - Juncus abortivus Herbaceous Vegetation Equivalent Certain Schotz pers. comm.
South Carolina Depression Meadow Broader   Nelson 1986


Other Related Concepts
Related Concept Name: Small Depression Pond
Relationship: B - Broader
Reference: Schafale, M. P., and A. S. Weakley. 1990. Classification of the natural communities of North Carolina. Third approximation. North Carolina Department of Environment, Health, and Natural Resources, Division of Parks and Recreation, Natural Heritage Program, Raleigh. 325 pp.

Ecological Systems Placement

Ecological Systems Placement
Ecological System Unique ID Ecological System Name
CES203.262 Southern Atlantic Coastal Plain Depression Pond
CES203.558 East Gulf Coastal Plain Depression Pond


NatureServe Conservation Status
Global Status: G2? (11Jan1998)
Rounded Global Status: G2 - Imperiled
Reasons: This community is restricted in distribution and extent. Most occurrences are degraded by one or more of the following factors: fire exclusion, off-road vehicles, water-table reductions, residential development and shore conversion.

Distribution
Color legend for Distribution Map
United States Distribution: AL, FL, GA, NC, SC
Global Distribution: United States
Global Range: This association is found in the Atlantic and Gulf coastal plains of the United States from North Carolina south to Florida and west to Alabama.

U.S. Forest Service Ecoregions
Domain Name: Humid Temperate Domain
Division Name: Subtropical Division
Province Name: Outer Coastal Plain Mixed Forest Province
Province Code: 232 Occurrence Status: Confident or certain
Section Name: Coastal Plains and Flatwoods, Lower Section
Section Code: 232B Occurrence Status: Confident or certain
Section Name: Atlantic Coastal Flatwoods Section
Section Code: 232C Occurrence Status: Confident or certain
Section Name: Florida Coastal Lowlands (Western) Section
Section Code: 232D Occurrence Status: Possible


Vegetation

Vegetation Summary: Stands are dominated by Rhynchospora filifolia and Juncus abortivus. Other characteristic species include Rhynchospora pleiantha, Eleocharis tricostata, Centella erecta, Rhynchospora nitens, and Juncus repens.

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Charact-
eristic
Dominant Constant
Cover Class %
Con-
stancy
%
Juncus abortivus G2 Graminoid Herb (field)  
 
 
Rhynchospora filifolia G2 Graminoid Herb (field)  
 
 
Rhynchospora pleiantha G2 Graminoid Herb (field)      
 
 


At-Risk Species Reported for this Association
Scientific Name
  (Common Name)
NatureServe Global Status U.S. Endangered Species Act Status
Rhynchospora pleiantha
  (Brown Beakrush)
G2G3  


Environmental Setting

Wetland Indicator: Y
Environmental Summary: This association includes the lower margins of Coastal Plain limesink ponds, which are flooded for a longer period of time than mid-margins. These lower margins are seasonally flooded but with a longer hydroperiod.


Dynamic Processes


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): A.S. Weakley
Element Description Edition Date: 21May2002
Element Description Author(s): M. Pyne
NatureServe Conservation Status Factors Edition Date: 11Jan1998
NatureServe Conservation Status Factors Author(s): A.S. Weakley

Ecological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).


References
  • Nelson, J. B. 1986. The natural communities of South Carolina: Initial classification and description. South Carolina Wildlife and Marine Resources Department, Division of Wildlife and Freshwater Fisheries, Columbia, SC. 55 pp.

  • Schafale, M. P., and A. S. Weakley. 1990. Classification of the natural communities of North Carolina. Third approximation. North Carolina Department of Environment, Health, and Natural Resources, Division of Parks and Recreation, Natural Heritage Program, Raleigh. 325 pp.

  • Schotz, Al. Personal communication. Community Ecologist. Alabama Natural Heritage Program. Huntingdon College, Massey Hall, 1500 East Fairview Avenue, Montgomery, AL 36106-2148.

  • Southeastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Durham, NC.


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