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Pinus banksiana - Pinus resinosa - Quercus spp. Subboreal Woodland Group | NatureServe Biotics 2019
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Name: Pinus banksiana - Pinus resinosa - Quercus spp. Subboreal Woodland Group Reference: NatureServe Biotics 2019 Description: This conifer woodland is found throughout the eastern southern or subboreal regions of eastern Canada, extending into the Upper Midwest and Northeast parts of the United States. It occurs on dry nutrient-poor sand plains and along rocky ridges, often adjacent to rivers and lakes, and along talus slopes. The canopy ranges from patchy to continuous and is dominated by a mix of primarily conifer and hardwood species. In some examples, canopy trees may be stunted. <i>Pinus banksiana</i> is the most frequent conifer species, although <i>Pinus resinosa, Pinus strobus, Picea mariana</i>, or <i>Picea glauca</i> can be common and may dominate some sites. Hardwood species vary in cover from 25-90% of the canopy. <i>Quercus ellipsoidalis</i> is a restricted dominant in the Midwest part of the range of this group, along with <i>Quercus macrocarpa</i> and <i>Quercus rubra</i>. More common are <i>Betula papyrifera, Betula populifolia</i>, and <i>Populus</i> spp. In areas of open bedrock, species typical of bedrock outcrops and shallow soils can be found and include <i>Danthonia spicata, Poa alsodes, Elymus trachycaulus, Maianthemum canadense, Schizachne purpurascens</i>, and <i>Oryzopsis asperifolia</i>. The nonvascular layer can be absent or present with up to 30% cover. In the open bedrock areas, this layer consists mainly of the lichens and mosses. Infrequent fire is the primary dynamic, with catastrophic fires occurring approximately every 150-200 years with surface fires every 50-200 years.  Accession Code: urn:lsid:vegbank.org:commConcept:40092-{9A83D1DE-6B02-4E45-903D-C68F975269DE} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 04-May-2015 to: ongoing
	status: accepted Community's Parent: Pinus strobus - Pinus banksiana - Quercus ellipsoidalis Forest & Woodland Macrogroup This Community's Level: Group This Community's Children: Show/Hide   Pinus banksiana - Pinus resinosa / Arctostaphylos uva-ursi Subboreal Sand Woodland Alliance   Pinus banksiana - Pinus resinosa - Quercus ellipsoidalis Subboreal Rocky Woodland Alliance		Names:   UID: ELEMENT_GLOBAL.2.836045 NatureServe Explorer   Code: G347   Scientific: Pinus banksiana - Pinus resinosa - Quercus spp. Subboreal Woodland Group