Print Report
A1427 Juncus dichotomus Interdunal Wet Meadow Alliance
Type Concept Sentence: This alliance encompasses rush-dominated vegetation of small, interdunal, very shallow, seasonally flooded basins located along the mid-Atlantic Coast from New Jersey to Virginia. Associates include Andropogon virginicus, Juncus dichotomus, Juncus canadensis, Juncus biflorus, Juncus scirpoides, Drosera intermedia, Fimbristylis autumnalis, Linum medium, Schoenoplectus pungens, and Solidago sempervirens.
Common (Translated Scientific) Name: Forked Rush Interdunal Wet Meadow Alliance
Colloquial Name: Forked Rush Interdunal Swale
Hierarchy Level: Alliance
Type Concept: This alliance encompasses rush-dominated vegetation of small, interdunal, very shallow, seasonally flooded basins located along the mid-Atlantic Coast from New Jersey to Virginia. Associates include Andropogon virginicus, Juncus dichotomus, Juncus canadensis, Juncus biflorus, Juncus scirpoides, Drosera intermedia, Fimbristylis autumnalis, Linum medium, Schoenoplectus pungens, and Solidago sempervirens. Soils are characterized by a shallow organic layer overlying sands. The water table is generally high (from 10-50 cm from the surface).
Diagnostic Characteristics: Interdunal swale of the mid-Atlantic region; characterized by species of Juncus dichotomus, Drosera intermedia, and Fimbristylis autumnalis.
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: This alliance comprises a single small-patch association.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: This alliance is dominated by graminoids and forbs generally 0.5 m tall or less.
Floristics: This vegetation is characterized by rushes, including Juncus dichotomus, Juncus canadensis, Juncus biflorus, Juncus scirpoides; other graminoids include Andropogon virginicus, Fimbristylis autumnalis, and Schoenoplectus pungens (= Scirpus pungens). Forbs include Drosera intermedia, Linum medium, and Solidago sempervirens.
Dynamics: This vegetation is maintained by seasonal flooding from groundwater and rainwater. It is usually dry on the surface by late summer.
Environmental Description: This alliance encompasses rush-dominated vegetation of small, interdunal, very shallow, seasonally flooded basins. Soils are characterized by a shallow organic layer overlying sands. The water table is generally high (from 10-50 cm from the surface).
Geographic Range: This alliance occurs in maritime interdunes along the mid-Atlantic Coast from New Jersey to Virginia.
Nations: US
States/Provinces: DE, MD, NJ, VA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.899131
Confidence Level: Moderate
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.f Northern & Mid-Atlantic Coastal Wetland Group | G752 | 2.C.4.Ne.2.f |
| Alliance | A1427 Forked Rush Interdunal Wet Meadow Alliance | A1427 | 2.C.4.Ne.2.f |
| Association | CEGL004111 (Forked Rush, Needle-pod Rush) - Spoonleaf Sundew Wet Meadow | CEGL004111 | 2.C.4.Ne.2.f |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: >< Andropogon Community (Tyndall and Levy 1978)
- 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.
- Hill, S. R. 1986. An annotated checklist of the vascular flora of Assateague Island (Maryland and Virginia). Castanea 5:265-305.
- Jones, H. A. 1992a. A vegetational analysis of interdunal swale communities of False Cape State Park, Currituck Spit, Virginia. M.S. thesis. College of William and Mary, Williamsburg, VA.
- Sneddon, L., M. Anderson, and K. Metzler. 1996. Community alliances and elements of the Eastern Region. Unpublished report. The Nature Conservancy, Eastern Heritage Task Force, Boston, MA. 235 pp.
- Tyndall, R. W., and G. F. Levy. 1978. Plant distribution and succession within interdunal depressions on a Virginia barrier dune system. Journal of the Elisha Mitchell Scientific Society 94:1-15.