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Populus fremontii / Baccharis (emoryi, salicina) Riparian Woodland | NatureServe Biotics 2019
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Name: Populus fremontii / Baccharis (emoryi, salicina) Riparian Woodland
Reference: NatureServe Biotics 2019
Description: This Fremont cottonwood woodland association occurs in riparian areas in the Colorado Plateau and Mojave Desert of Arizona, California and Utah. This association is characterized by an open to moderately dense tree canopy solely dominated by <i>Populus fremontii</i> (15-35%). The understory is a distinct shrub layer consisting mostly of <i>Baccharis emoryi</i> and/or <i>Baccharis salicina</i> often with <i>Salix exigua</i>. Other small trees or shrubs may be present with low cover such as <i>Cercis orbiculata, Fallugia paradoxa, Purshia stansburiana</i>, and <i>Salix gooddingii</i>. <i>Brickellia longifolia, Chrysothamnus linifolius, Pluchea sericea</i>, and exotic <i>Tamarix</i> spp. may also be present. If present, herbaceous cover is generally low (&lt;10% cover) and is composed of wetland graminoid species such as <i>Phragmites australis, Cladium californicum, Imperata brevifolia</i>, and <i>Muhlenbergia asperifolia</i>. Forb cover averages about 2% and includes species such as <i>Typha</i> spp., <i>Oenothera elata</i>, and <i>Artemisia ludoviciana</i>; <i>Equisetum hyemale</i> may occur as well. Stands occur on flat canyon bottoms, benches, floodplains, and along intermittent streams, between 725 to 1200 m (2325-5175 feet) elevation on gently sloping drainage channels on low levels and interfluves. Soils are poorly drained to rapidly drained sands and sandy loams derived from various parent materials that are commonly obscured by the soil. Ground cover is mostly litter, surface rocks and bare soil. This is a riparian vegetation type and is restricted to areas with perennial creeks and/or reliable springs and seeps. 
Accession Code: urn:lsid:vegbank.org:commConcept:31848-{4BB851D2-EF03-4283-AFD7-6714F34505C4}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 06-Jan-2017 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.687864 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL002946
  Translated: Fremont Cottonwood / (Emory's Baccharis, Willow Baccharis) Riparian Woodland
  Scientific: Populus fremontii / Baccharis (emoryi, salicina) Riparian Woodland
(convergence) and Synonyms:
(similar) Populus fremontii / Baccharis emoryi Woodland