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Zizaniopsis miliacea Coastal Plain Slough Marsh
Translated Name: Giant Cutgrass Coastal Plain Slough Marsh
Common Name: Coastal Plain Giant Cutgrass Slough Marsh
Unique Identifier: CEGL004139
Classification Approach: International Vegetation Classification (IVC)
Summary: Temperate vegetation of marshes and sloughs dominated by Zizaniopsis miliacea, often consisting of essentially monospecific stands. This broadly defined type may be divided as more information becomes available. This is primarily a community of the Coastal Plain, but an occurrence is reported from the Piedmont of South Carolina.



Classification

Classification Confidence: Low - Poorly Documented
Classification Comments: Bert Pittman (pers. comm.) reports an area in the Piedmont (Charlotte Belt Subsection) of South Carolina which is about 1000 acres in extent, with 10 to 20% of it ("several hundred" acres) in marsh dominated by Zizaniopsis miliacea with "other aquatic vegetation present." Based on his Piedmont experience this seems "very unusual" to him. Without additional floristic information, this apparent occurrence will be accommodated here for the present. One large stand of this vegetation is found in a marsh at Fort Benning, Georgia (Upper East Gulf Coastal Plain).

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 River & Basin Freshwater Marsh
Alliance Southeastern Floodplain Marsh

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

Similar Associations
Unique Identifier Name
CEGL004140 Zizaniopsis miliacea Rocky Riverbed Vegetation



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These data are subject to substantial ongoing revision and may be out of date for some states.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 Zizaniopsis miliacea Coastal Plain Slough Herbaceous Vegetation Equivalent Certain Schotz pers. comm.
North Carolina Rocky Bar and Shore (Southern Wild Rice Subtype) Equivalent Certain Schafale 2012
Tennessee Zizaniopsis miliacea Coastal Plain Slough Herbaceous Vegetation Equivalent Certain TDNH unpubl. data



Ecological Systems Placement

Ecological Systems Placement
Ecological System Unique ID Ecological System Name
CES203.066 Southern Atlantic Coastal Plain Large River Floodplain Forest
CES203.489 East Gulf Coastal Plain Large River Floodplain Forest


NatureServe Conservation Status
Global Status: G4? (10Dec1998)
Rounded Global Status: G4 - Apparently Secure
Reasons: This is a broadly defined wetland association and, as such, is wide-ranging. As more information becomes available, it may be split into several types. The degree of uncertainty in the rank reflects the need for further inventory to assess the taxonomic relationship of this type and as yet undescribed types. This type remains poorly documented and further research is needed to clarify these data gaps. The ecological integrity of many wetland communities is threatened by hydrological modifications and the alteration of surrounding upland landscapes.

Distribution
Color legend for Distribution Map
United States Distribution: AL, FL, GA, LA, MS, NC, SC, TN, TX
Global Distribution: United States
Global Range: Vegetation of marshes and sloughs dominated by Zizaniopsis miliacea is reported as ranging from the Atlantic Coastal Plain of possibly the Carolinas south to Florida and into the Upper East Gulf Coastal Plain and west to Texas into the Upper West Gulf Coastal Plain. It extends north in the interior at least to northwestern Tennessee, and is also reported from the Piedmont of South Carolina (Charlotte Belt Subsection).

U.S. Forest Service Ecoregions
Domain Name: Humid Temperate Domain
Division Name: Subtropical Division
Province Name: Southeastern Mixed Forest Province
Province Code: 231 Occurrence Status: Confident or certain
Section Name: Southern Appalachian Piedmont Section
Section Code: 231A Occurrence Status: Confident or certain
Section Name: Coastal Plain Middle Section
Section Code: 231B Occurrence Status: Confident or certain
Section Name: Middle Coastal Plains, Western Section
Section Code: 231E Occurrence Status: Possible
Section Name: Eastern Gulf Prairies and Marshes Section
Section Code: 231F Occurrence Status: Predicted or probable
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: Louisiana Coast Prairies and Marshes Section
Section Code: 232E Occurrence Status: Confident or certain
Section Name: Coastal Plains and Flatwoods, Western Gulf Section
Section Code: 232F Occurrence Status: Predicted or probable
Province Name: Lower Mississippi Riverine Forest Province
Province Code: 234 Occurrence Status: Confident or certain
Section Name: Mississippi Alluvial Basin Section
Section Code: 234A Occurrence Status: Confident or certain
Division Name: Prairie Division
Province Name: Prairie Parkland (Subtropical) Province
Province Code: 255 Occurrence Status: Confident or certain
Section Name: Oak Woods and Prairies Section
Section Code: 255C Occurrence Status: Possible
Section Name: Central Gulf Prairies and Marshes Section
Section Code: 255D Occurrence Status: Confident or certain


Vegetation

Vegetation Summary: This vegetation is dominated by Zizaniopsis miliacea, often consisting of essentially monospecific stands.

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Charact-
eristic
Dominant Constant
Cover Class %
Con-
stancy
%
Zizaniopsis miliacea G4 Graminoid Herb (field)  
 
 


Environmental Setting

Wetland Indicator: Y
Environmental Summary: This association encompasses temperate vegetation of marshes and sloughs; it is primarily a community of the Coastal Plain, but an occurrence is reported from the Piedmont of South Carolina (B. Pittman pers. comm.).


Dynamic Processes

Dynamics: At Reelfoot Lake, Tennessee, this vegetation has declined since the 1940s, presumably due to lack of fluctuation in the lake levels due to lake stabilization via a water control structure. It has been largely replaced by stands of Decodon verticillatus.


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): Southeastern Ecology Group
Element Description Edition Date: 01Nov1997
Element Description Author(s): Southeastern Ecology Group
NatureServe Conservation Status Factors Edition Date: 14Jun2001
NatureServe Conservation Status Factors Author(s): J. Teague

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


References
  • Nordman, C., M. Russo, and L. Smart. 2011. Vegetation types of the Natchez Trace Parkway, based on the U.S. National Vegetation Classification. NatureServe Central Databases (International Ecological Classification Standard: Terrestrial Ecological Classifications). Arlington, VA. Data current as of 11 April 2011. 548 pp.

  • Pittman, Dr. Albert. Personal communication. South Carolina Heritage Trust, South Carolina Department of Natural Resources, PO Box 167, Columbia, SC 29202. (803)734-3920.

  • Schafale, M. P. 2012. Classification of the natural communities of North Carolina, 4th Approximation. North Carolina Department of Environment, Health, and Natural Resources, Division of Parks and Recreation, Natural Heritage Program, Raleigh.

  • 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.

  • TDNH [Tennessee Division of Natural Heritage]. No date. Unpublished data. Tennessee Division of Natural Heritage, Nashville, TN.


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Data last updated: November 2016