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A1389 Spartina bakeri Coastal Marsh Alliance

The U.S. National
Vegetation Classification
Type Concept Sentence: This alliance consists of seasonally flooded coastal interdunal swales of the Florida peninsula dominated by Spartina bakeri often with Muhlenbergia filipes (which may be codominant), Andropogon glomeratus, Aristida sp., Cladium mariscus ssp. jamaicense, Eupatorium mikanioides, Phyla nodiflora, Pluchea rosea, Rhynchospora colorata, Sabatia stellaris, Sagittaria lancifolia, and Setaria magna.
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Common (Translated Scientific) Name: Sand Cordgrass Coastal Marsh Alliance
Colloquial Name: Sand Cordgrass Coastal Marsh
Hierarchy Level: Alliance
Type Concept: This alliance consists of seasonally flooded graminoid wetlands with substantial cover of or dominated by Spartina bakeri. Seasonally flooded coastal interdunal swales of the Florida peninsula dominated by Spartina bakeri may also contain Muhlenbergia filipes (which may be codominant), Andropogon glomeratus, Aristida sp., Cladium mariscus ssp. jamaicense, Eupatorium mikanioides, Phyla nodiflora, Pluchea rosea, Rhynchospora colorata, Sabatia stellaris, Sagittaria lancifolia, and Setaria magna. Additional herbaceous species in South Carolina Spartina bakeri ponds may include Cyperus odoratus, Hibiscus moscheutos, Juncus effusus, Juncus roemerianus, Panicum virgatum, Saccharum giganteum, and Woodwardia virginica. Hibiscus grandiflorus is reported from some associations. These areas are not tidally flooded, but are apparently maintained as marsh by occasional flooding by brackish water during severe storm tides in hurricane events. These storm flooding events maintain brackish soil conditions.
Diagnostic Characteristics: Coastal seasonally flooded, non-tidal marsh dominated by Spartina bakeri.
Rationale for Nominal Species or Physiognomic Features:
Classification Comments: Coastal marsh dominated by Spartina bakeri. These areas are not tidally flooded but are apparently maintained as marsh by occasional flooding by brackish water during severe storm tides (in hurricane events). These storm flooding events maintain brackish soil conditions.
Similar NVC Types:
Spartina bakeri Salt Marsh Alliance, note: also occurs in coastal areas of Georgia and Florida, but is tidal.
Physiognomy and Structure: These are depression marshes dominated by graminoid herbs, especially Spartina bakeri. Other graminoid and forb species are present.
Floristics: This alliance consists of seasonally flooded wetlands dominated by Spartina bakeri, or at least with substantial cover of it. Seasonally flooded coastal interdunal swales of the Florida peninsula dominated by Spartina bakeri may also contain Muhlenbergia filipes (which may be codominant), Andropogon glomeratus, Aristida sp., Cladium mariscus ssp. jamaicense, Eupatorium mikanioides, Phyla nodiflora, Pluchea rosea, Rhynchospora colorata, Sabatia stellaris, Sagittaria lancifolia, and Setaria magna. Additional herbaceous species in South Carolina Spartina bakeri ponds may include Cyperus odoratus, Hibiscus moscheutos, Juncus effusus, Juncus roemerianus, Panicum virgatum, Saccharum giganteum, and Woodwardia virginica. Hibiscus grandiflorus is reported from some associations.
Dynamics: This alliance consists of seasonally flooded wetlands and seasonally flooded coastal interdunal swales. These areas are not tidally flooded, but are apparently maintained as marsh by occasional flooding by brackish water during severe storm tides in hurricane events. These storm flooding events maintain brackish soil conditions.
Environmental Description: This alliance consists of seasonally flooded wetlands and seasonally flooded coastal interdunal swales. These areas are not tidally flooded, but are apparently maintained as marsh by occasional flooding by brackish water during severe storm tides in hurricane events. These storm flooding events maintain brackish soil conditions.
Geographic Range: Southeastern coastal areas, Florida, Georgia, and South Carolina.
Nations: US
States/Provinces: FL, GA, SC
US Forest Service Ecoregions (1994/1995)
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Confidence Level: Moderate
Confidence Level Comments:
Grank: GNR
Greasons:
Concept Lineage: (verbatim from A.1389, with minor edits Dec. 2013)
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Obsolete Parents:
Synonomy: >< Coastal Interdunal Swale (FNAI 1992a)
Concept Author(s): A.S. Weakley, in Faber-Langendoen et al. (2013)
Author of Description: C. Nordman and A.S. Weakley
Acknowledgements:
Version Date: 08Jan2014
References:
  • 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. 2013-2017b. Screening alliances for induction into the U.S. National Vegetation Classification: Part 1 - Alliance concept review. NatureServe, Arlington, VA.
  • FNAI [Florida Natural Areas Inventory]. 1992a. Natural communities. Unpublished document. The Nature Conservancy, Florida Natural Areas Inventory, Tallahassee. 6 pp.
  • Laessle, A. M. 1942. Plant communities of the Welaka area. University of Florida Biological Sciences Series No. 4. 143 pp.
  • Wolfe, S. H., editor. 1990. An ecological characterization of the Florida Springs Coast: Pithlachascotee to Waccasassa rivers. USDI Fish & Wildlife Service, Biological Report 90(21). Slidell, LA. 323 pp.