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Typha latifolia - Caltha palustris Herbaceous Vegetation | VDNH [Virginia Division of Natur...
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Name: Typha latifolia - Caltha palustris Herbaceous Vegetation Reference: VDNH [Virginia Division of Natur... Description: This community is a tall herbaceous wetland of calcareous, groundwater-saturated sloughs, abandoned meanders, depressions, and toeslope spring overflows on large stream or river floodplain terraces in carbonate rock districts of the Ridge and Valley region. Soils typically have a surface horizon of organic muck (about 10 cm), or occasionally fibric peat, below which is a deep, gleyed or reduced clay with some organic matter. Soil samples collected from plots are slightly acidic to moderately alkaline, with very high calcium, magnesium, and total base saturation levels. Sites are more-or-less permanently saturated or flooded by perched groundwater or seepage inputs. The vegetation resembles a stratified, tall marsh and is usually dominated by <i>Typha latifolia</i> and <i>Caltha palustris</i>. More locally, <i>Acorus americanus</i> and <i>Menyanthes trifoliata</i> are dominant or codominant in stands. Other characteristic species include <i>Carex emoryi, Impatiens capensis, Leersia virginica, Lysimachia terrestris, Peltandra virginica, Carex tetanica, Sagittaria latifolia (= var. latifolia), Schoenoplectus tabernaemontani (= Scirpus tabernaemontani)</i>, and <i>Scirpus atrovirens</i>. In the absence of active disturbance regimes, habitats supporting this community appear susceptible to invasion by <i>Salix</i> spp. and other woody swamp plants. The ecological dynamics of this very rare vegetation type are poorly understood. Although it may have originated from some form of disturbance, its restriction to two very unusual wetland habitats located miles apart, as well as the lack of invasive introduced species in its composition, suggests that the type is natural.  Accession Code: VB.CC.37281.CEGL006245 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   Common: Virginia Ridge and Valley Calcareous Meadow   Translated: Broadleaf Cattail - Yellow Marsh-marigold Herbaceous Vegetation   Scientific: Typha latifolia - Caltha palustris Herbaceous Vegetation   Code: CEGL006245   UID: ELEMENT_GLOBAL.2.758652 NatureServe Explorer