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Carex crinita - Osmunda spp. / Sphagnum spp. Saturated Herbaceous Alliance | Midwestern Ecology Working Group...
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Name: Carex crinita - Osmunda spp. / Sphagnum spp. Saturated Herbaceous Alliance Reference: Midwestern Ecology Working Group... Description: This seep alliance, found in the central and upper southeastern United States, is dominated by herbaceous species but can also have a significant shrub component. Stands often occur in a forested setting and are small enough that the surrounding trees cast shade and otherwise affect the microenvironment. Some stands contain trees from the surrounding forest communities. The most abundant herbaceous species include Athyrium spp., Carex crinita, Carex lurida, and other Carex spp., Impatiens capensis, Dryopteris carthusiana, Glyceria striata, Leersia oryzoides, Osmunda spp., and Symplocarpus foetidus. In some stands of this alliance, Sphagnum spp. occur in patches. Although not found in every stand, they may be good diagnostic species. Alnus serrulata, Photinia melanocarpa (= Aronia melanocarpa), and Physocarpus opulifolius are common shrubs in some stands. Where trees occur, Acer rubrum, Betula nigra, Liriodendron tulipifera, Liquidambar styraciflua, and Platanus occidentalis are typical. Stands of this alliance are found where groundwater flows to the surface at the edges of outwash plains, beach ridges, or at the contact between acidic gravel and bedrock. Soils are saturated sandy loams or sandy silts overlain with mucks and peats. They can be shallow to deep (40-100+ cm). There is weak nutrient input from the slightly to highly acidic (pH 3.7-6.0) groundwater. The groundwater flow is generally diffuse, but concentrated localized flows can occur, especially in the spring.  Accession Code: VB.CC.18697.CAREXCRINITAOSM Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Carex crinita - Osmunda spp. / Sphagnum spp. Saturated Herbaceous Alliance   Translated: Fringed Sedge - Royal Fern species / Peatmoss species Saturated Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.125623 NatureServe Explorer   Code: A.1451