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Populus fremontii / Betula occidentalis Wooded Shrubland | NatureServe Biotics 2019
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Name: Populus fremontii / Betula occidentalis Wooded Shrubland Reference: NatureServe Biotics 2019 Description: This association has only been described from Zion National Park, Utah. Additional global information will be added as it becomes available. Vegetation structure and cover in this association are variable. <i>Populus fremontii</i> may be present as young trees contributing to the tall-shrub layer, codominated by riparian shrubs <i>Betula occidentalis</i> and <i>Salix</i> spp. In some cases, <i>Populus fremontii</i> or <i>Juniperus scopulorum</i> may occur as mature trees with a canopy cover of 5-20%. <i>Betula occidentalis</i> dominates the shrub layer (10-40% cover) accompanied by various shrubs of inconsistent frequency depending on the adjacent upland vegetation. Most frequently occurring or characteristic shrubs of this association are <i>Salix</i> spp. and <i>Rosa woodsii</i>. The herbaceous layer has variable composition, with average cover of 30% and relatively tall structure. This may not be true where recreational trails intersect streambanks and the vegetation is trampled. Common herbaceous species include <i>Agrostis stolonifera, Poa pratensis</i>, and <i>Maianthemum stellatum</i>. Elevation for this association is 1675 to 1830 m (5500-6000 feet), but it does occur at lower elevations if the site is shaded and north-facing. It occurs on flat to gentle sloping streambanks and benches on sandy loam soils.  Accession Code: urn:lsid:vegbank.org:commConcept:31883-{05E06B19-0217-4323-A507-76C81DC3D2DB} Plot-observations of this Community Concept: 4
	Party Perspective according to: NatureServe (organization) Perspective from: 25-Apr-2017 to: ongoing
	status: accepted Community's Parent: Populus fremontii Great Basin Riparian Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.689947 NatureServe Explorer   Code: CEGL002981   Translated: Fremont Cottonwood / Water Birch Wooded Shrubland   Scientific: Populus fremontii / Betula occidentalis Wooded Shrubland (convergence) and Synonyms: (similar) Populus fremontii / Betula occidentalis Wooded Shrubland (similar) Populus fremontii / Betula occidentalis Wooded Shrubland (similar) CEGL002981