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Quercus macrocarpa - (Quercus alba, Quercus velutina) / Andropogon gerardii Wooded Grassland | NatureServe Biotics 2019
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Name: Quercus macrocarpa - (Quercus alba, Quercus velutina) / Andropogon gerardii Wooded Grassland Reference: NatureServe Biotics 2019 Description: This dry-mesic to mesic oak openings (or oak savanna) commonly occurs on level to moderately steep, fire-prone landscapes in the upper midwestern United States. Canopy cover ranges from 10-30% closure. The tree layer is dominated by <i>Quercus macrocarpa</i> and <i>Quercus alba</i>. <i>Quercus velutina</i> can also become codominant, but only on sandier loam soils. The ground layer is dominated by graminoids, especially <i>Andropogon gerardii</i> and <i>Schizachyrium scoparium</i>, accompanied by a large diversity of forbs. Shrub cover can range widely from 0-100%, with <i>Ceanothus americanus</i> and <i>Amorpha canescens</i> being two of the most important shrub species. Understory species typical of oak openings require some direct sunlight throughout the growing season and are quickly reduced when heavily shaded by either tree or shrub canopy. Common shrubs in this community are adapted to the moderate fire frequencies found in oak openings, and resprout vigorously after burning.  Accession Code: urn:lsid:vegbank.org:commConcept:30929-{1B7EED9B-591F-43DD-8D60-8CBD897B22FF} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 03-Mar-1994 to: ongoing
	status: accepted Community's Parent: Quercus macrocarpa - Quercus alba Wooded Grassland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684248 NatureServe Explorer   Code: CEGL002020   Translated: Bur Oak - (White Oak, Black Oak) / Big Bluestem Wooded Grassland   Common: North-central Bur Oak Openings   Scientific: Quercus macrocarpa - (Quercus alba, Quercus velutina) / Andropogon gerardii Wooded Grassland (convergence) and Synonyms: (similar) CEGL002020 (similar) Quercus macrocarpa - (Quercus alba, Quercus velutina) / Andropogon gerardii Wooded Herbaceous Vegetation (similar) Quercus macrocarpa - (Quercus alba, Quercus velutina) / Andropogon gerardii Wooded Herbaceous Vegetation