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Salix exigua Temporarily Flooded Shrubland | Western Ecology Working Group of...
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Name: Salix exigua Temporarily Flooded Shrubland Reference: Western Ecology Working Group of... Description: This willow shrubland is found throughout the western United States and Great Plains north into the Boreal Plains. This is a highly flood-tolerant community that occurs along rivers and streams at lower elevations, on recently flooded riparian areas, and in moist swales and ditches that are frequently disturbed. Stands occur most commonly on alluvial sand, but silt, clay or gravel may also be present. <i>Salix exigua</i> is the dominant canopy species (<i>Salix interior</i> or intermediates of the two willow species may be present in the eastern part of the range). It can form dense stands up to 4 m tall, but there are often patches where the shrub layer is absent. Seedlings and small saplings of <i>Populus deltoides, Populus balsamifera</i>, and <i>Salix amygdaloides</i> may be present. The herbaceous cover is sparse to moderate but rarely exceeds 30%. Species present may include <i>Cenchrus longispinus, Polygonum lapathifolium, Schoenoplectus americanus (= Scirpus americanus), Triglochin maritima</i>, and <i>Xanthium strumarium</i>.<br><br>In California, the overstory shrub canopy is open to continuous and dominated by <i>Salix exigua</i>, with <i>Rubus discolor</i> often present. Trees such as <i>Ailanthus altissima, Fraxinus latifolia</i>, and <i>Salix laevigata</i> sometimes occur as scattered emergents. Other shrubs that may be present include <i>Rhus trilobata var. trilobata (= Rhus aromatica var. trilobata), Quercus gambelii, Rosa woodsii, Rosa nutkana, Ericameria nauseosa, Arctostaphylos patula</i>, and <i>Dasiphora fruticosa ssp. floribunda</i> The herbaceous layer is typically open and often includes <i>Artemisia douglasiana</i>. The composition of this community, especially the herbaceous layer, varies from year to year with succession or renewed disturbance.  Accession Code: VB.CC.32527.CEGL001197 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: Provisional This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.685547 NatureServe Explorer   Translated: Narrowleaf Willow Temporarily Flooded Shrubland   Scientific: Salix exigua Temporarily Flooded Shrubland   Code: CEGL001197