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Diervilla lonicera - Solidago simplex var. randii - Deschampsia flexuosa - Hylotelephium telephioides - Saxifraga michauxii Grassland | NatureServe Biotics 2019
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Name: Diervilla lonicera - Solidago simplex var. randii - Deschampsia flexuosa - Hylotelephium telephioides - Saxifraga michauxii Grassland Reference: NatureServe Biotics 2019 Description: This association is known only from a few high-elevation mafic rock outcrops in the northern Virginia Blue Ridge. All known sites are located in Shenandoah National Park. This community type is associated with exposed rocky summits and upper slope outcrops of Catoctin Formation metabasalt (greenstone) at elevations from 870 to 1230 m (2860-4040 feet). Slope shape is typically convex in at least one direction, and aspect varies from west to north. The vegetation is characterized by a patchwork of shrub thickets (typically &lt;25% cover), herbaceous mats (typically &lt;40% cover), and crustose lichen colonies on exposed rock surfaces. The most frequent woody species include extremely stunted, wind-blasted specimens of the trees <i>Betula alleghaniensis</i> and <i>Sorbus americana</i>; characteristic shrubs and woody vines are <i>Diervilla lonicera, Physocarpus opulifolius, Prunus pensylvanica, Prunus virginiana, Kalmia latifolia</i>, and <i>Smilax tamnoides</i>. <i>Deschampsia flexuosa</i> and <i>Solidago simplex var. randii</i> are the most frequent dominant herbaceous species, but <i>Sibbaldiopsis tridentata, Saxifraga michauxii, Carex pensylvanica</i>, and <i>Hylotelephium telephioides</i> dominate in some areas.  Accession Code: urn:lsid:vegbank.org:commConcept:36593-{6A82B42E-27EC-40C2-8B55-C26278065512} Plot-observations of this Community Concept: 24
	Party Perspective according to: NatureServe (organization) Perspective from: 01-Feb-2008 to: ongoing
	status: accepted Community's Parent: Southern Appalachian Mafic Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.683560 NatureServe Explorer   Code: CEGL008536   Translated: Northern Bush-honeysuckle - Rand's Goldenrod - Wavy Hairgrass - Allegheny Stonecrop - Michaux's Saxifrage Grassland   Common: High-Elevation Greenstone Barrens   Scientific: Diervilla lonicera - Solidago simplex var. randii - Deschampsia flexuosa - Hylotelephium telephioides - Saxifraga michauxii Grassland (convergence) and Synonyms: (similar) CEGL008536 (similar) Diervilla lonicera - Solidago simplex var. randii - Deschampsia flexuosa - Hylotelephium telephioides - Saxifraga michauxii Herbaceous Vegetation (similar) Diervilla lonicera - Solidago simplex var. randii - Deschampsia flexuosa - Hylotelephium telephioides - Saxifraga michauxii Herbaceous Vegetation