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Pinus palustris / Quercus laevis Xeric Woodland Group | NatureServe Biotics 2019
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Name: Pinus palustris / Quercus laevis Xeric Woodland Group Reference: NatureServe Biotics 2019 Description: This group encompasses dry upland forest or woodland vegetation on deep, coarse sands and sandy loams on the southern coastal plains from North Carolina south to central Florida and west to eastern Texas. Generally, these are open woodlands dominated by <i>Pinus palustris</i> with an understory of <i>Quercus laevis</i>, though sites that are somewhat fire-suppressed or have experienced high-grading of the pine canopy can be dominated by <i>Quercus laevis</i>. <i>Quercus incana</i> and <i>Quercus margarettae</i> occur in the subcanopy throughout, though more commonly on somewhat silty sites. West of the Mississippi River <i>Quercus laevis</i> is absent with its role filled by <i>Quercus incana</i>. These habitats are consistently dry and have low nutrient availability with the consequence that <i>Pinus palustris</i> grows slower and reaches smaller stature than in other longleaf pine-dominated groups such as ~Dry-Mesic Loamy Longleaf Pine Woodland Group (G009)$$, ~Wet-Mesic Longleaf Pine Open Woodland Group (G190)$$ and ~Mesic Longleaf Pine Flatwoods - Spodosol Woodland Group (G596)$$. On the most xeric sites, often referred to as barrens, the grass layer is minimal and litter accumulation is slow with the consequence that the natural frequency of fire is less than in other habitats where <i>Pinus palustris</i> grows. All but the most xeric associations have a well-developed grass layer with <i>Schizachyrium scoparium</i> common throughout, often with one of the wiregrass forms of <i>Aristida</i>. The dominant <i>Aristida</i> shifts geographically with <i>Aristida stricta</i> important in the southern two-thirds of North Carolina and northern-most South Carolina and <i>Aristida beyrichiana</i> dominant in southern South Carolina and across much Georgia and Florida, though west of the Apalachicola it is confined to the lower regions of the coastal plain and finally drops out in eastern-most Mississippi. South of the Savanna River <i>Gopherus polyphemus</i> (gopher tortoise) is a keystone species in this habitat; many other animals are associated with the burrows it digs and lives in.  Accession Code: urn:lsid:vegbank.org:commConcept:39970-{5F5D2D40-CC08-417F-850D-E1228BCBFCD6} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 12-May-2015 to: ongoing
	status: accepted Community's Parent: Pinus palustris / Aristida stricta Woodland Macrogroup This Community's Level: Group This Community's Children: Show/Hide   Pinus palustris / Quercus incana Woodland Alliance   Pinus palustris / Quercus laevis / Aristida condensata Woodland Alliance   Pinus palustris / Quercus laevis / Aristida stricta Woodland Alliance   Pinus palustris / Quercus laevis - Quercus geminata Woodland Alliance   Pinus palustris / Quercus laevis / Schizachyrium scoparium Woodland Alliance		Names:   UID: ELEMENT_GLOBAL.2.833197 NatureServe Explorer   Code: G154   Scientific: Pinus palustris / Quercus laevis Xeric Woodland Group