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Alnus viridis ssp. crispa - Spiraea alba / Solidago macrophylla Shrubland | Eastern Ecology Working Group of...
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Name: Alnus viridis ssp. crispa - Spiraea alba / Solidago macrophylla Shrubland Reference: Eastern Ecology Working Group of... Description: These alder-birch shrublands are found in the subalpine to lower alpine zones of the higher mountains in the northern Appalachians. They typically develop in somewhat unstable settings such as avalanche paths, old landslides, or cirque walls. The most common setting is on a steep, concave slope, although they may also occur on flats. Deciduous shrubs averaging 1-2 m tall dominate, and may form thickets. Herb cover is best developed in openings among the shrubs, and so is patchy. Dwarf-shrubs are a minor component, and bryophytes are sparse. The dominant species are Alnus viridis ssp. crispa and Betula papyrifera (possibly including the subalpine var. cordifolia). Diervilla lonicera may be locally abundant, especially in somewhat drier microsites. Stunted Picea mariana and Abies balsamea may occur with the shrubs. Viburnum edule is often present, although in very low numbers. Herbs include Solidago macrophylla, Prenanthes trifoliolata, Eurybia radula (= Aster radula), Sibbaldiopsis tridentata (in drier openings), Dryopteris campyloptera, Dryopteris intermedia, Athyrium filix-femina, and Calamagrostis canadensis.  Accession Code: VB.CC.21334.ALNUSVIRIDISSSP Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 20-Mar-2003 to: 17-Nov-2014
	status: accepted Community's Parent: Alnus viridis Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Mountain Alder - White Meadowsweet / Largeleaf Goldenrod Shrubland   UID: ELEMENT_GLOBAL.2.683363 NatureServe Explorer   Code: CEGL006064   Scientific: Alnus viridis ssp. crispa - Spiraea alba / Solidago macrophylla Shrubland   Common: Alpine Slope Shrub Thicket (convergence) and Synonyms: (undetermined) Alnus viridis ssp. crispa - Spiraea alba / Solidago macrophylla Shrubland