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Acer spicatum - Thuja occidentalis - Betula papyrifera / Taxus canadensis Alkaline Cliff Scrub | NatureServe Biotics 2019
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Name: Acer spicatum - Thuja occidentalis - Betula papyrifera / Taxus canadensis Alkaline Cliff Scrub Reference: NatureServe Biotics 2019 Description: This boreal and Laurentian cliff forest is found in the eastern boreal regions and Laurentian regions of Canada and United States. At Isle Royale National Park in Michigan, this community occupies sites on very steep talus slopes or cliffs, typically facing northwest, and thus is relatively moist. Bedrock is igneous/metamorphic and may be either granite or basalt/diabase, and is circumneutral to somewhat alkaline. The vegetation forms a closed canopy forested scrub, with about 80% canopy cover. <i>Acer spicatum</i> is dominant in the canopy, with over 50% cover; other tree species present include <i>Thuja occidentalis, Betula papyrifera</i>, and <i>Picea glauca</i>. There is about 30% cover of short shrubs; <i>Taxus canadensis</i> and <i>Rubus parviflorus</i> are the most abundant shrubs. Cover of herbs is about 30%; the most abundant herbs are <i>Gymnocarpium dryopteris</i> and <i>Mitella nuda</i>. Cover of nonvascular plants is about 20%; <i>Pleurozium schreberi</i> is a common moss.  Accession Code: urn:lsid:vegbank.org:commConcept:34014-{6A817DE9-BFAC-4967-9D67-7996D586D813} Plot-observations of this Community Concept: 1
	Party Perspective according to: NatureServe (organization) Perspective from: 28-Jun-2013 to: ongoing
	status: accepted Community's Parent: Acer spicatum - Picea glauca / Clintonia borealis Scrub Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.685970 NatureServe Explorer   Code: CEGL005251   Translated: Mountain Maple - Northern White-cedar - Paper Birch / Canada Yew Alkaline Cliff Scrub   Common: Eastern Boreal & Laurentian Alkaline Moist Cliff Scrub   Scientific: Acer spicatum - Thuja occidentalis - Betula papyrifera / Taxus canadensis Alkaline Cliff Scrub (convergence) and Synonyms: (similar) CEGL005251 (similar) Acer spicatum - Thuja occidentalis - Betula papyrifera / Taxus canadensis Alkaline Cliff Scrub (similar) Acer spicatum - Thuja occidentalis - Betula papyrifera / Taxus canadensis Shrubland