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Schizachyrium scoparium - Sporobolus heterolepis Serpentine Herbaceous Vegetation | Eastern Ecology Working Group of...
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Name: Schizachyrium scoparium - Sporobolus heterolepis Serpentine Herbaceous Vegetation Reference: Eastern Ecology Working Group of... Description: This serpentine grassland community of Pennsylvania and Maryland is associated with soils derived from weathered serpentine bedrock. It typically occurs on mid to upper slopes on very shallow (0-10 cm deep) stony or gravelly sand or silt loam soils. Exposed bedrock and bare ground are common at some locations. Soils are typically very dry, reflecting well-drained to excessively well-drained soil conditions and shallow depth to bedrock. Slope aspect is variable but is rarely due east. The slope angle ranges from 1-16° and is most often between 3-6°. The dominant species in this community are the grasses <i>Schizachyrium scoparium</i> and <i>Sporobolus heterolepis</i>. Other characteristic herbaceous species may include <i>Symphyotrichum depauperatum (= Aster depauperatus), Scleria pauciflora, Cerastium arvense var. villosum, Solidago nemoralis, Packera anonyma (= Senecio anonymus), Dichanthelium sphaerocarpon (= Panicum sphaerocarpon)</i>, and <i>Arabis lyrata</i>. Woody plants are rare and usually include <i>Juniperus virginiana</i> or pine seedlings and saplings of <i>Pinus rigida</i> and/or <i>Pinus virginiana</i>. A subtype of this community occurs on gravel barrens in Pennsylvania and Maryland. These barrens have the same species composition; however, they typically have less than 60% vegetation cover and exposed serpentine bedrock and gravel as the dominant cover type. Gravel barrens occur at midslope positions with a steep slope (&gt;6° and as much as 16°).  Accession Code: VB.CC.31007.CEGL006442 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:   UID: ELEMENT_GLOBAL.2.787699 NatureServe Explorer   Common: Serpentine Little Bluestem - Prairie Dropseed Grassland   Translated: Little Bluestem - Prairie Dropseed Serpentine Herbaceous Vegetation   Scientific: Schizachyrium scoparium - Sporobolus heterolepis Serpentine Herbaceous Vegetation   Code: CEGL006442