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Chara sp. / Potamogeton spp. Nonvascular Aquatic Vegetation | NatureServe Biotics 2019
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Name: Chara sp. / Potamogeton spp. Nonvascular Aquatic Vegetation
Reference: NatureServe Biotics 2019
Description: This nonvascular aquatic vegetation community is found in calcareous sinkhole ponds and marl ponds of the Valley and Ridge Physiographic Province of northwestern New Jersey. The dominant species is the green algae <i>Chara</i>. The most common associate is <i>Potamogeton gramineus</i>. Associated submerged and floating aquatic species found in permanently flooded calcareous ponds include <i>Callitriche palustris, Lemna trisulca, Myriophyllum heterophyllum, Neobeckia aquatica, Polygonum amphibium, Potamogeton illinoensis, Stuckenia vaginata, Potamogeton zosteriformis, Ranunculus ambigens, Ranunculus longirostris, Utricularia gibba, Utricularia intermedia, Utricularia minor, Wolffia brasiliensis</i>, and <i>Wolffiella gladiata</i>. The invasive nonindigenous species <i>Myriophyllum spicatum</i> may be present in permanently flooded ponds that are degraded by nutrient input. The associated aquatic species are often site-specific and locally abundant. Associated herbaceous species in semipermanently flooded calcareous ponds that dry out during the later part of the growing season or in a drought year include <i>Boltonia asteroides var. asteroides, Cyperus strigosus, Panicum capillare, Polygonum amphibium</i>, and <i>Mentha arvensis</i>. The associated herbaceous species are very sparsely distributed in thick mats of dried <i>Chara</i>. <i>Chara</i> is always present and dominant; however, the species composition of associated species varies temporally and spatially, linked inextricably to hydrology and proximal seed bank. Species tally (richness) ranges from 4 to 10, with an average of 6 species per 10 m<sup>2</sup>. 
Accession Code: urn:lsid:vegbank.org:commConcept:35269-{5EE2C406-A5FC-4805-A97A-67BCE23CF04D}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 02-Aug-2015 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.950094 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL006770
  Translated: Stonewort species / Pondweed species Nonvascular Aquatic Vegetation
  Common: Stonewort / Pondweed Calcareous Sinkhole Pond
  Scientific: Chara sp. / Potamogeton spp. Nonvascular Aquatic Vegetation