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Atlantic & Gulf Intertidal Algal Bed Alliance | NatureServe Biotics 2019
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Name: Atlantic & Gulf Intertidal Algal Bed Alliance
Reference: NatureServe Biotics 2019
Description: This alliance includes vegetation dominated by algal mats in large, seasonally flooded depressions and flats in southern Florida and the West Indies (algal periphyton), as well as large wind-tidal flats dominated by <i>Lyngbya</i> spp., a cyanobacterium (blue-green alga). The algal periphyton consists of a dense fibrous mixture of cyanobacteria and green algae developed over thin layers of oozy marl overlying oolitic limestone. The cyanobacteria in the algal mats precipitate CaCO3, creating the calcitic marl. A very sparse growth of vascular plants sometimes occurs, including <i>Eleocharis</i> spp., <i>Utricularia</i> spp., or widely scattered and extremely stunted <i>Rhizophora mangle</i>. <i>Chara</i> spp. are sometimes abundant and are typically imbedded in the algal periphyton. Occurrences of this alliance can be large (hundreds to thousands of acres). The <i>Lyngbya</i>-dominated communities occur in subtropical southern Texas (at least as far north as Corpus Christi and likely a bit farther north) and adjacent Tamaulipas, Mexico. These areas are usually exposed but are inundated by extreme high tides and wind tides. 
Accession Code: urn:lsid:vegbank.org:commConcept:39168-{ABDDADF2-2176-40AF-A39A-1D1845232627}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 08-Jan-2014 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.900009 NatureServe ExplorerNatureServe Explorer logo
  Code: A3958
  Translated: Atlantic & Gulf Intertidal Algal Bed Alliance
  Common: Atlantic & Gulf Intertidal Algal Bed
  Scientific: Atlantic & Gulf Intertidal Algal Bed Alliance