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A3852 Zizaniopsis miliacea Rocky Riverbed Alliance

Type Concept Sentence: This alliance comprises a single association of rocky riverbeds of the Ouachita Mountains, dominated by Zizaniopsis miliacea.

Common (Translated Scientific) Name: Giant Cutgrass Rocky Riverbed Alliance

Colloquial Name: Southern Wild Rice Rocky Riverbed

Hierarchy Level:  Alliance

Type Concept: This alliance comprises a single association of rocky riverbeds of the Ouachita Mountains, dominated by Zizaniopsis miliacea. Similar vegetation may occur in Arkansas, and related vegetation is noted to occur in South Carolina. Much more information is needed to describe both the alliance and association.

Diagnostic Characteristics: Rocky riverbed dominated by Zizaniopsis miliacea.

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: This alliance must be considered provisional until further data are collected and analyzed.

Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: Stands are dominated by herbaceous growth forms.

Floristics: This vegetation often consists of essentially monospecific stands of Zizaniopsis miliacea. Slow-moving stretches of rocky river margins may include Schoenoplectus pungens? and Justicia americana.

Dynamics:  No Data Available
Environmental Description:  This temperate marsh vegetation occurs typically in rocky beds of slow-moving rivers.
Geographic Range: This alliance has been documented in Oklahoma; it may also occur in Arkansas. Related vegetation has also been documented in the South Carolina Piedmont.

Nations: US

States/Provinces:  AR, OK, SC


Confidence Level: Low - Poorly Documented

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.Nd Eastern North American Temperate Freshwater Marsh, Wet Meadow & Shrubland Division D323 2.C.4.Nd
Macrogroup 2.C.4.Nd.3 Eastern North American Wet Shoreline Vegetation Macrogroup M880 2.C.4.Nd.3
Group 2.C.4.Nd.3.a Eastern North American Riverine Wetland Vegetation Group G755 2.C.4.Nd.3.a
Alliance A3852 Giant Cutgrass Rocky Riverbed Alliance A3852 2.C.4.Nd.3.a
Association CEGL004140 Giant Cutgrass Rocky Riverbed Vegetation CEGL004140 2.C.4.Nd.3.a
Concept Lineage: A.1395

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available
Synonomy: ? P5A4bII3a. Zizaniopsis miliacea (Foti et al. 1994)
Concept Author(s): L. Sneddon, in Faber-Langendoen et al. (2013)

Author of Description: L.A. Sneddon and D. Faber-Langendoen

Acknowledgements: No Data Available

Version Date: 12-18-14
  • 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.
  • Foti, T., M. Blaney, X. Li, and K. G. Smith. 1994. A classification system for the natural vegetation of Arkansas. Proceedings of the Arkansas Academy of Science 48:50-53.
  • Pittman, Dr. Albert. Personal communication. South Carolina Heritage Trust, South Carolina Department of Natural Resources, Columbia, SC.