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Schizachyrium scoparium Riverscour Prairie Alliance | NatureServe Biotics 2019
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Name: Schizachyrium scoparium Riverscour Prairie Alliance Reference: NatureServe Biotics 2019 Description: This alliance comprises Appalachian and Piedmont riverscour prairies of Tennessee and North Carolina, characterized by <i>Schizachyrium scoparium</i>. Associations placed in this alliance have been documented from boulder scour prairies on the Yadkin River in Montgomery and Stanley counties, North Carolina, and from the Ocoee and Hiwassee rivers in southeastern Tennessee. Vegetation of this alliance is dominated by <i>Schizachyrium scoparium</i>, with other perennial grasses, e.g., <i>Andropogon ternarius</i> and <i>Sporobolus clandestinus</i>. Other herbaceous species typically include woody vines (e.g., <i>Bignonia capreolata, Gelsemium sempervirens</i>, and <i>Toxicodendron radicans</i>). Asteraceae and Fabaceae are also typical, including some rare and endemic species. Some Asteraceae include <i>Coreopsis tripteris, Liatris microcephala</i>, the rare endemic <i>Pityopsis ruthii, Solidago</i> sp., <i>Symphyotrichum novae-angliae</i> in a Tennessee association, and the rare endemic <i>Solidago plumosa</i> and <i>Symphyotrichum dumosum</i> in a North Carolina one. Woody saplings of <i>Platanus occidentalis</i> and other woody plants that can tolerate flood-battering may be present as well. Shrubs and other woody plants are scattered, being restricted in their stature and cover by flooding. Alterations in hydrology may lead to greater cover of woody plants, including some exotics. This alliance is likely extremely restricted naturally, being limited to short stretches of rivers. Its habitat has been affected and limited by the effects of impoundments and resulting changes in flooding regimes. The vegetation is highly variable in composition and structure, with plants often restricted to boulder cracks and shallow soil pockets.  Accession Code: urn:lsid:vegbank.org:commConcept:39009-{57F12210-CB28-45B9-8DB3-8542A58D9165} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 18-Dec-2014 to: ongoing
	status: accepted Community's Parent: Central Interior-Appalachian Riverscour Barrens & Prairie Group This Community's Level: Alliance This Community's Children: Show/Hide   Schizachyrium scoparium - Andropogon ternarius - Liatris microcephala - (Pityopsis ruthii) Riverscour Wet Meadow   Schizachyrium scoparium - Schoenoplectus americanus - Juncus marginatus - Eupatorium serotinum Riverscour Wet Meadow   Schizachyrium scoparium - Solidago plumosa Riverscour Wet Meadow		Names:   UID: ELEMENT_GLOBAL.2.899847 NatureServe Explorer   Code: A3795   Translated: Little Bluestem Riverscour Prairie Alliance   Common: Little Bluestem Riverscour Prairie   Scientific: Schizachyrium scoparium Riverscour Prairie Alliance