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Schizachyrium scoparium - Sorghastrum nutans - Silphium spp. Grassland | NatureServe Biotics 2019
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Name: Schizachyrium scoparium - Sorghastrum nutans - Silphium spp. Grassland Reference: NatureServe Biotics 2019 Description: These are mesic to dry-mesic perennial grasslands of the southern Ridge and Valley of Tennessee. This vegetation is dominated by <i>Schizachyrium scoparium</i> and <i>Sorghastrum nutans</i>, in patches of various combinations and percent covers depending on slope position. It also contains <i>Andropogon</i> spp., <i>Dichanthelium</i> spp., and diverse forbs. These grasslands are best developed on mid to lower slopes, where soils are deep enough to support perennial grasses. <i>Silphium terebinthinaceum</i> can be a prominent feature of this vegetation type. Some other taxa present include <i>Hypericum dolabriforme, Manfreda virginica, Silphium asteriscus</i>, and <i>Silphium trifoliatum</i>. Some examples of this vegetation are partly maintained by mechanical clearing of powerline rights-of-way. A slightly more mesic community which may occur adjacent to this one is ~<i>Andropogon gerardii - Panicum (anceps, virgatum)</i> Grassland (CEGL007931)$$. Under conditions of fire suppression, <i>Juniperus virginiana</i> may invade examples of this vegetation and can form dense stands which suppress herbaceous plants.  Accession Code: urn:lsid:vegbank.org:commConcept:36107-{3DB20499-9EF8-4800-B637-B75396DC5DF0} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 29-Sep-1999 to: ongoing
	status: accepted Community's Parent: Schizachyrium scoparium - Andropogon ternarius - Bouteloua curtipendula Patch Prairie Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684753 NatureServe Explorer   Code: CEGL007932   Translated: Little Bluestem - Indiangrass - Rosinweed species Grassland   Common: Southern Ridge and Valley Dry-Mesic Grassland   Scientific: Schizachyrium scoparium - Sorghastrum nutans - Silphium spp. Grassland (convergence) and Synonyms: (similar) Schizachyrium scoparium - Sorghastrum nutans - Silphium spp. Herbaceous Vegetation (similar) Schizachyrium scoparium - Sorghastrum nutans - Silphium spp. Herbaceous Vegetation (similar) CEGL007932