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A3404 Zizaniopsis miliacea - Zizania aquatica - Pontederia cordata Southeastern Floodplain Marsh Alliance

Type Concept Sentence: This is southern floodplain marsh vegetation is dominated by Cicuta maculata, Osmunda regalis var. spectabilis, Peltandra virginica, Sagittaria lancifolia, Sparganium americanum, Zizania aquatica, or Zizaniopsis miliacea, occurring in a variety of situations, most commonly on the Southeastern Coastal Plain.

Common (Translated Scientific) Name: Giant Cutgrass - Annual Wild Rice - Pickerelweed Southeastern Floodplain Marsh Alliance

Colloquial Name: Southeastern Floodplain Marsh

Hierarchy Level:  Alliance

Type Concept: Examples of this southern floodplain marsh vegetation are dominated by Cicuta maculata, Osmunda regalis var. spectabilis, Peltandra virginica, Sagittaria lancifolia, Sparganium americanum, Zizania aquatica, or Zizaniopsis miliacea. They occur in a variety of situations, most commonly on the Southeastern Coastal Plain. This vegetation often consists of essentially monospecific stands of Zizaniopsis miliacea.

Diagnostic Characteristics: Southern floodplain marsh of graminoid and forb vegetation dominated by Cicuta maculata, Osmunda regalis var. spectabilis, Peltandra virginica, Sagittaria lancifolia, Sparganium americanum, Zizania aquatica, or Zizaniopsis miliacea, occurring in a variety of situations, most commonly on the Southeastern Coastal Plain.

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: One association (CEGL004510) occurs in the Appalachians, and may belong in another group and alliance.

Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: Southern floodplain marsh graminoid and forb vegetation.

Floristics: This southern floodplain marsh graminoid and forb vegetation is dominated by Cicuta maculata, Osmunda regalis var. spectabilis, Peltandra virginica, Sagittaria lancifolia, Sparganium americanum, Zizania aquatica, or Zizaniopsis miliacea, occurring in a variety of situations, most commonly on the Southeastern Coastal Plain.

Dynamics:  Variable depths and durations of flooding and the influence of flowing water are characteristic of the dynamics of this marsh vegetation.
Environmental Description:  This alliance occurs along the edges of rivers and streams and in floodplains.
Geographic Range: This alliance occurs in the southeastern United States, from Virginia and Tennessee south to Florida and west to Texas.

Nations: US

States/Provinces:  AL, FL, GA, LA, MS, NC, SC, TN, TX, VA, WV


Confidence Level: Low

Confidence Level Comments: No Data Available
Grank: GNR

Greasons: No Data Available
Type Name Database Code Classification Code
Class 2 Shrub & Herb Vegetation Class C02 2
Subclass 2.C Shrub & Herb Wetland Subclass S44 2.C
Formation 2.C.4 Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland Formation F013 2.C.4
Division 2.C.4.Ne Atlantic & Gulf Coastal Marsh, Wet Meadow & Shrubland Division D322 2.C.4.Ne
Macrogroup 2.C.4.Ne.2 Beaksedge species - Spikerush species - Panicgrass species Atlantic & Gulf Coastal Plain Wet Prairie & Marsh Macrogroup M067 2.C.4.Ne.2
Group 2.C.4.Ne.2.a Pickerelweed - Maidencane River & Basin Freshwater Marsh & Wet Meadow Group G188 2.C.4.Ne.2.a
Alliance A3404 Giant Cutgrass - Annual Wild Rice - Pickerelweed Southeastern Floodplain Marsh Alliance A3404 2.C.4.Ne.2.a
Association CEGL004139 Giant Cutgrass Coastal Plain Slough Marsh CEGL004139 2.C.4.Ne.2.a
Association CEGL004471 Royal Fern - Green Arrow-arum - Bull-tongue Arrowhead Marsh CEGL004471 2.C.4.Ne.2.a
Association CEGL004510 American Bur-reed - (Simple-stem Bur-reed) - Bog Willowherb Seep CEGL004510 2.C.4.Ne.2.a
Association CEGL004716 Annual Wild Rice - Spotted Water-hemlock - Many-flower Marsh-pennywort Marsh CEGL004716 2.C.4.Ne.2.a
Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available
Synonomy: = Floodplain Marsh (FNAI 2010a)
= The Kissimmee marshes (Kushlan 1990)
= The St. Johns marshes (Kushlan 1990)
< [14] River Marsh and Fresh Water Marsh (Wharton 1978) [River Marsh is the synonym for A3404.]
Concept Author(s): C. Nordman, in Faber-Langendoen et al. (2013)

Author of Description: C. Nordman

Acknowledgements: No Data Available

Version Date: 01-08-14
  • FNAI [Florida Natural Areas Inventory]. 2010a. Guide to the natural communities of Florida: 2010 edition. Florida Natural Areas Inventory, Tallahassee, FL. 228 pp. [https://fnai.org/naturalcommguide.cfm]
  • Faber-Langendoen, D., J. Drake, M. Hall, G. Kittel, S. Menard, C. Nordman, M. Pyne, M. Reid, M. Russo, K. Schulz, L. Sneddon, K. Snow, and J. Teague. 2013-2019b. Screening alliances for induction into the U.S. National Vegetation Classification: Part 1 - Alliance concept review. NatureServe, Arlington, VA.
  • Kushlan, J. A. 1990. Freshwater marshes. Pages 324-363 in: R. L. Myers and J. J. Ewel, editors. Ecosystems of Florida. University of Central Florida Press, Orlando.
  • Wharton, C. H. 1978. The natural environments of Georgia. Georgia Department of Natural Resources, Atlanta. 227 pp.