Invalid Unit Specified
A3428 Nyssa biflora Interior Pond Forest Alliance

The U.S. National
Vegetation Classification
Type Concept Sentence: This vegetation is dominated by Acer rubrum var. rubrum, Liquidambar styraciflua, and Nyssa biflora and occurs in seasonally flooded upland ponds of the Ridge and Valley and adjacent Cumberland Plateau of Alabama and Georgia (and possibly Tennessee).
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Common (Translated Scientific) Name: Swamp Tupelo Interior Pond Forest Alliance
Colloquial Name: Interior Swamp Tupelo Pond Forest
Hierarchy Level: Alliance
Type Concept: The dominant tree species include Acer rubrum var. rubrum, Liquidambar styraciflua, and Nyssa biflora. Shrubs include Cephalanthus occidentalis and Lyonia lucida which may be in two distinct zones. The liana Smilax laurifolia is also present. Herbaceous dominants include Woodwardia virginica and Osmunda regalis var. spectabilis in a fern zone, with Carex glaucescens, Dulichium arundinaceum, and Panicum virgatum (= var. cubense) in a grass-sedge zone. A deeper open-water zone contains Torreyochloa pallida (= Glyceria pallida), Potamogeton pulcher, and Utricularia gibba (= Utricularia biflora). The vegetation is zoned with an outer ring of trees, a series of interior zones of shrubs, herbs and vines, and a central area with or without standing water year-round depending on precipitation. Vegetation of this alliance occurs in seasonally flooded upland ponds of a limited area in the Ridge and Valley and adjacent Cumberland Plateau of Alabama and Georgia (and possibly Tennessee).
Diagnostic Characteristics: This alliance accommodates distinctive seasonally flooded upland ponds of a limited area in the Ridge and Valley and adjacent Cumberland Plateau of Alabama and Georgia.
Rationale for Nominal Species or Physiognomic Features:
Classification Comments: Floristic information for CEGL004116 (the only association) is found in Greear (1967, 1986) and Wharton (1978). Additional information is provided in Edwards et al. (2013).
Similar NVC Types:
Physiognomy and Structure: The vegetation is zoned with an outer ring of trees, a series of interior zones of shrubs, herbs and vines, and a central area with or without standing water year round depending on precipitation.
Floristics: The dominant tree species in examples of this alliance include Nyssa biflora (which is most abundant and diagnostic), Acer rubrum var. rubrum, and Liquidambar styraciflua (the two of which are typically present but not diagnostic). In higher quality examples, there are two shrub zones, one dominated by Cephalanthus occidentalis and another slightly higher one dominated by Lyonia lucida. Another common shrub is Vaccinium corymbosum. The liana Smilax laurifolia is also present. Herbaceous dominants include Woodwardia virginica and Osmunda regalis var. spectabilis in a fern zone, with Carex glaucescens, Dulichium arundinaceum, and Panicum virgatum (= var. cubense) in a grass-sedge zone. A deeper open-water zone contains Potamogeton pulcher, Torreyochloa pallida (= Glyceria pallida), and Utricularia gibba (= Utricularia biflora). Many plants found in this habitat are otherwise restricted to the Coastal Plain, at least in Georgia. Additional information is provided in Edwards et al. (2013).
Dynamics: No Data Available
Environmental Description: Vegetation of this vegetation is restricted to seasonally flooded upland ponds (sagponds) in the Ridge and Valley and adjacent Cumberland Plateau of Alabama and Georgia (and possibly Tennessee).
Geographic Range: This vegetation is found in the Ridge and Valley of Alabama and Georgia (and possibly the adjacent Cumberland Plateau of Tennessee).
Nations: US
States/Provinces: AL, GA, TN?
US Forest Service Ecoregions (1994/1995)
Domain Name:
Division Name:
Province Name: Southeastern Mixed Forest Province
Province Code: 231    Occurrence Status: Confident or certain
Section Name: Southern Ridge and Valley Section
Section Code: 231D     Occurrence Status: Confident or certain
Omernik Ecoregions:
Confidence Level: Low
Confidence Level Comments:
Grank: GNR
Greasons:
Concept Lineage: The one association placed in this alliance comes from A.324 (1/7).
Predecessors:
Obsolete Names:
Obsolete Parents:
Synonomy: >< IIA10b. Swamp Tupelo Pond Forest (Allard 1990)
? Sagpond (Wharton 1978)
? Sagpond (Edwards et al. 2013)
Concept Author(s): M. Pyne, in Faber-Langendoen et al. (2013)
Author of Description: M. Pyne
Acknowledgements: We have incorporated significant descriptive information previously compiled by Jon Ambrose.
Version Date: 08Jan2014
References:
  • Allard, D. J. 1990. Southeastern United States ecological community classification. Interim report, Version 1.2. The Nature Conservancy, Southeast Regional Office, Chapel Hill, NC. 96 pp.
  • Ambrose, J. 1990a. Georgia's natural communities--A preliminary list. Unpublished document. Georgia Natural Heritage Inventory. 5 pp.
  • Edwards, L., J. Ambrose, and K. Kirkman. 2013. The natural communities of Georgia. University of Georgia Press, Athens, GA. 675 pp.
  • 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.
  • Greear, P. F. 1967. Composition, diversity, and structure of some natural ponds in northwest Georgia. Ph.D. dissertation, University of Georgia, Athens.
  • Greear, P. F. 1986. The ecology of sag ponds: Surprise on Cassville Mountain. Tipularia 1(1).
  • Wharton, C. H. 1978. The natural environments of Georgia. Georgia Department of Natural Resources, Atlanta. 227 pp.