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Populus fremontii / Ericameria nauseosa Riparian Woodland | NatureServe Biotics 2019
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Name: Populus fremontii / Ericameria nauseosa Riparian Woodland Reference: NatureServe Biotics 2019 Description: This common woodland association occurs on the upper terraces of perennial streams, on the banks of intermittent washes, and in spring-fed alcoves throughout much of the Colorado Plateau on sites that flood infrequently. It is one of the drier riparian forests, often well away from the stream channel, but still on the floodplain. Total vegetation cover ranges from 34 to 170%. The 10- to 15-m tall canopy is dominated by mature <i>Populus fremontii</i> trees that range in cover from 5 to 50%. Other trees, both riparian and upland, may be present with low cover in the canopy and subcanopy, including <i>Populus angustifolia</i> and <i>Juniperus osteosperma</i>. Young <i>Populus</i> and <i>Salix</i> are rare, because these stands are often at least 2 m above the water table. The shrub layer has low cover. <i>Ericameria nauseosa</i> dominates or codominates the shrub stratum, often with <i>Artemisia tridentata ssp. tridentata</i>. The herbaceous layer is diverse. Common graminoids include <i>Achnatherum hymenoides, Bromus arvensis, Elymus canadensis, Sporobolus</i> spp., and <i>Juncus arcticus ssp. littoralis</i>. Forbs commonly present include <i>Ambrosia acanthicarpa, Artemisia campestris, Castilleja linariifolia, Equisetum hyemale, Lepidium montanum, Sphaeralcea</i> spp., and <i>Heterotheca villosa</i>. The non-native <i>Agrostis stolonifera</i> and <i>Bromus tectorum</i> can be abundant on disturbed sites. Sites are level to gently sloping and are located between 1110 and 2165 m (3610-7100 feet) elevation. Substrates are often coarse-textured soils such as sands and loamy sands, but may include finer-textured soils such as silt loams and silty clay loams derived from alluvium.  Accession Code: urn:lsid:vegbank.org:commConcept:31373-{788960A1-13A6-4E20-8689-8F4AC3BFA77A} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 13-Nov-2018 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.2.769275 NatureServe Explorer   Code: CEGL002465   Translated: Fremont Cottonwood / Rubber Rabbitbrush Riparian Woodland   Scientific: Populus fremontii / Ericameria nauseosa Riparian Woodland (convergence) and Synonyms: (similar) Populus fremontii / Ericameria nauseosa Woodland