Print Report

CEGL007895 Zizaniopsis miliacea - Panicum hemitomon Tidal Marsh

Type Concept Sentence: No Data Available

Common (Translated Scientific) Name: Giant Cutgrass - Maidencane Tidal Marsh

Colloquial Name: Deltaic Plain Giant Cutgrass - Maidencane Tidal Marsh

Hierarchy Level:  Association

Type Concept: This association is a limited fresh marsh type mainly of the Deltaic Plain, but occasionally in the Chenier Plain of Louisiana. In the Deltaic Plain, it is found mainly along the natural levee of Bayou Lafourche. Species richness in this marsh type is relatively low. The type is dominated by Zizaniopsis miliacea with Panicum hemitomon as a frequent codominant. Other commonly occurring species include Hydrocotyle spp., Ludwigia leptocarpa and/or Ludwigia peploides, Sagittaria lancifolia, Schoenoplectus californicus and/or Schoenoplectus tabernaemontani, Typha spp., Morella cerifera, Cephalanthus occidentalis, Cyperus spp., and others.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: This type was not identified in Visser and Sasser draft report (1998), but was recognized in Visser et al. (1998).

Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available

Floristics: Stands of this association are dominated by Zizaniopsis miliacea with Panicum hemitomon as a frequent codominant. Other commonly occurring species include Hydrocotyle spp., Ludwigia leptocarpa and/or Ludwigia peploides, Sagittaria lancifolia, Schoenoplectus californicus (= Scirpus californicus) and/or Schoenoplectus tabernaemontani (= Scirpus validus), Typha spp., Morella cerifera (= Myrica cerifera), Cephalanthus occidentalis, Cyperus spp., and others.

Dynamics:  No Data Available
Environmental Description:  In the Deltaic Plain of Louisiana, it is found mainly along the natural levee of Bayou Lafourche.
Geographic Range: As currently defined, this marsh is endemic to Louisiana, found mainly in the Deltaic Plain, but occasionally in the Chenier Plain (Shiflet 1963, cited in Visser et al. 1998).

Nations: US

States/Provinces:  LA


Confidence Level: Low

Confidence Level Comments: No Data Available
Grank: G3G4

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.1 Annual Wild Rice - Saltmeadow Cordgrass - Pickerelweed Fresh-Oligohaline Tidal Marsh Macrogroup M066 2.C.4.Ne.1
Group 2.C.4.Ne.1.b <i>Zizaniopsis milacea - Spartina patens - Panicum hemotimon</i> Freshwater Tidal Marsh Group G913 2.C.4.Ne.1.b
Alliance A1485 Annual Wild Rice - Giant Cutgrass Tidal Freshwater Marsh Alliance A1485 2.C.4.Ne.1.b
Association CEGL007895 Giant Cutgrass - Maidencane Tidal Marsh CEGL007895 2.C.4.Ne.1.b
Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available
Synonomy: = Fresh Cutgrass Marsh (Visser and Sasser 1998)
Concept Author(s): L.M. Smith

Author of Description: L.M. Smith

Acknowledgements: No Data Available

Version Date: 02-22-11
  • LNHP [Louisiana Natural Heritage Program]. 2009. Natural communities of Louisiana. Louisiana Natural Heritage Program, Louisiana Department of Wildlife & Fisheries, Baton Rouge. 46 pp. [http://www.wlf.louisiana.gov/sites/default/files/pdf/page_wildlife/6776-Rare%20Natural%20Communities/LA_NAT_COM.pdf]
  • Smith, L. 1999. Coastal marsh types currently recognized in Louisiana and relationships with existing types in ICEC-TNC. Draft report. Louisiana Department of Wildlife and Fisheries, Natural Heritage Program, Baton Rouge. 20 pp.
  • Southeastern Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Durham, NC.
  • Visser, J. M., C. E. Sasser, R. H. Chabreck, and R. G. Linscombe. 1998. Marsh vegetation types of the Mississippi River Deltaic Plain. Estuaries 21(48):818-828.
  • Visser, J. M., and C. E. Sasser. 1998. 1997 Coastal vegetation analysis. Unpublished report to Greg Steyer, Louisiana Department of Natural Resources, Baton Rouge, LA. Draft report November 20, 1998. 47 pp.