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Salix irrorata - Salix exigua Shrubland | Western Ecology Working Group of...
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Name: Salix irrorata - Salix exigua Shrubland Reference: Western Ecology Working Group of... Description: This association is widespread and known from mountainous areas of the San Juan River and Rio Grande basins in northern New Mexico. This community type is found in mountainous regions along small perennial or intermittent streams through very narrow valleys and canyons. It occurs at elevations around 2370 m (7750 feet). The stream channel may be cobbly, gravelly, or bedrock-controlled. Depositional features are limited, and alluvial sediments are generally rocky. This community type may occupy the channel itself and is probably temporarily flooded during the year. Soils have no structure and are unconsolidated and non-cohesive (riverwash). These are very well-drained soils that provide for good aeration and rapid movement of water through the profile. During most times of the year, they tend to be moist and wet at shallow depths (within 40 cm). This dense thicket of abundant willows is codominated by <i>Salix irrorata</i> and <i>Salix exigua</i>. Saplings of <i>Populus angustifolia</i> may be present beneath the canopy. Other shrubs include <i>Dasiphora fruticosa ssp. floribunda (= Pentaphylloides floribunda)</i> and <i>Prunus virginiana</i>. The herbaceous undergrowth is variable and moderate in cover; 30 grasses and forbs have been recorded for the type, of which only <i>Agrostis stolonifera, Achillea millefolium</i>, and <i>Symphyotrichum foliaceum (= Aster foliaceus)</i> are well-represented but not abundant. The community can be flanked by <i>Populus angustifolia</i> and <i>Alnus incana ssp. tenuifolia</i> communities on slightly higher bars. Uplands are dominated by <i>Artemisia tridentata</i> on the flats, pinyon pine-juniper woodlands on dry slopes, or <i>Pinus ponderosa - Juniperus scopulorum - Quercus gambelii</i> woodlands on slightly more mesic slopes.  Accession Code: VB.CC.32178.CEGL005984 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.737981 NatureServe Explorer   Translated: Bluestem Willow - Narrowleaf Willow Shrubland   Scientific: Salix irrorata - Salix exigua Shrubland   Code: CEGL005984