Print Report

CEGL004112 Juncus effusus Marsh

Type Concept Sentence: No Data Available

Common (Translated Scientific) Name: Common Rush Marsh

Colloquial Name: Common Rush Marsh

Hierarchy Level:  Association

Type Concept: This broadly defined type represents freshwater marsh vegetation dominated by Juncus effusus. Additional types may be developed as more information becomes available. This vegetation may occur in natural or artificial ponds, including beaver-enhanced ones. In various parts of its broad range as currently defined, associated species may include Andropogon glomeratus, Cyperus spp., Typha latifolia, Scirpus cyperinus, Triadenum walteri, Apios americana, and Galium aparine. This type includes seasonally to temporarily flooded vegetation dominated or codominated by Juncus effusus in the Central and Southern Appalachians.

Diagnostic Characteristics: No Data Available

Rationale for Nominal Species or Physiognomic Features: No Data Available

Classification Comments: A new association is likely to be split from CEGL004112 to represent northeastern expressions of the community as new data become available.

Though this association was not seen at the Bankhead National Forest, it is expected to occur there.

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

Floristics: This type is currently broadly and literally defined, based on dominance by Juncus effusus. In various parts of its broad range as currently defined, associated species may include Andropogon glomeratus, Carex spp., Cyperus spp., other Juncus spp., Typha latifolia, Scirpus cyperinus, Triadenum walteri, Apios americana, and Galium aparine. In Georgia, Wharton (1978) cites Carex rostrata, Carex stipata, Schoenoplectus americanus (= Scirpus americanus), and Sagittaria latifolia as associates of beaver pond vegetation containing Juncus effusus.

Dynamics:  No Data Available
Environmental Description:  This is a seasonally (to temporarily) flooded marsh vegetation type; it may occur in natural or artificial ponds, including beaver-enhanced ponds, artificial waterways (wet ditches), and disturbed wet fields.
Geographic Range: The range of this broadly defined association has not been fully described. It is confirmed as occurring in the Northern Appalachians south through the Central Appalachians and is thought to occur in the Interior Low Plateau, Cumberland Plateau, Southern Ridge and Valley, Southern Blue Ridge, Piedmont, Chesapeake Bay Lowlands, and the Coastal Plain from the Mid-Atlantic to the Upper East Gulf Coastal Plain.

Nations: US

States/Provinces:  AL, AR, FL, GA, KY, LA, MD, MS, NC, OK, SC, TN, TX, VA, VT, WV


Confidence Level: Moderate

Confidence Level Comments: No Data Available
Grank: G5

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.90 Common Rush - Purple Loosestrife - Reed Canarygrass Eastern North American Ruderal Marsh, Wet Meadow & Shrubland Macrogroup M303 2.C.4.Nd.90
Group 2.C.4.Nd.90.a Bushy Bluestem - Common Rush Ruderal Marsh, Wet Meadow & Shrubland Group G557 2.C.4.Nd.90.a
Alliance A3412 Common Rush - Bushy Bluestem - Giant Plumegrass Ruderal Marsh Alliance A3412 2.C.4.Nd.90.a
Association CEGL004112 Common Rush Marsh CEGL004112 2.C.4.Nd.90.a
Concept Lineage: No Data Available

Predecessors: No Data Available

Obsolete Names: No Data Available

Obsolete Parents: No Data Available
Synonomy: = Carex stricta - Juncus effusus - Carex lurida Semipermanently Flooded Herbaceous Vegetation (McCoy and Fleming 2000)
? Beaver Dam Type (Wharton 1978)
< Disturbed Bog (Wichmann 2009)
< IID6a. Natural Impoundment Pond (Allard 1990)
< Semipermanent Impoundment (Fleming pers. comm.)
Concept Author(s): B. Wichmann (2009)

Author of Description: Southeastern Ecology Group

Acknowledgements: No Data Available

Version Date: 01-22-08
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