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Taxus canadensis - Viburnum edule - Cornus sericea - Alnus viridis - Oplopanax horridus Shrubland | Midwestern Ecology Working Group...
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Name: Taxus canadensis - Viburnum edule - Cornus sericea - Alnus viridis - Oplopanax horridus Shrubland Reference: Midwestern Ecology Working Group... Description: This Canada yew shrubland type occurs on Isle Royale, Michigan, and perhaps more widely in the boreal regions of the upper midwestern United States and Canada. At Isle Royale National Park, stands occupy gentle to somewhat steep slopes facing southeast, at elevations ranging from 190-200 m (613-650 feet). Soils are usually sandy loams. The vegetation contains a mix of evergreen and deciduous shrubs that forms a dense, nearly impenetrable thicket. There may be a sparse cover (0-10% cover) of trees over 5 m tall including <i>Thuja occidentalis, Abies balsamea</i>, or <i>Sorbus decora</i>. Cover of tall shrubs varies from 5-50%, the most abundant tall shrubs are <i>Abies balsamea, Sorbus decora</i>, and <i>Alnus viridis</i>. Cover of short shrubs varies from 40-90% cover; the most abundant short shrubs are <i>Taxus canadensis, Viburnum edule, Oplopanax horridus, Prunus pensylvanica, Cornus sericea</i>, and <i>Chamaedaphne calyculata</i>. Cover of dwarf-shrubs varies from 0-70%, the most abundant dwarf-shrubs are <i>Diervilla lonicera</i> and <i>Empetrum nigrum</i>. Cover of herbs varies from 10-70% cover; the most abundant herbs are <i>Lycopodium annotinum, Cornus canadensis, Dryopteris expansa</i>, and <i>Clintonia borealis</i>. Cover of nonvascular plants is usually less than 10% cover; the most abundant nonvascular plants are foliose and crustose lichens, <i>Pleurozium schreberi</i> and <i>Dicranum polysetum</i>. There is an uncommon variant of this association, <i>Abies balsamea / Taxus canadensis</i> woodland, which forms an open-canopy, evergreen woodland. This variant is only known from ridges on Passage Island; it may also occur in other areas in the northeastern end of the island.  Accession Code: VB.CC.36657.CEGL005254 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:   Common: Canada Yew Mixed Shrubland   Translated: Canada Yew - Squashberry - Red-osier Dogwood - Green Alder - Devil's-club Shrubland   Scientific: Taxus canadensis - Viburnum edule - Cornus sericea - Alnus viridis - Oplopanax horridus Shrubland   Code: CEGL005254   UID: ELEMENT_GLOBAL.2.684245 NatureServe Explorer