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Equisetum laevigatum Wet Meadow | NatureServe Biotics 2019
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Name: Equisetum laevigatum Wet Meadow Reference: NatureServe Biotics 2019 Description: This association occurs on the narrow valley floors and low to upper alluvial terraces adjacent to the riparian zone of small perennial streams that are subject to periodic scouring from flooding. This type is restricted to small streams in the Colorado Plateau of Colorado and Utah, as well as within Salinas Pueblo Missions National Monument in central New Mexico, that are subject to flooding and scouring from flooding. Elevations range from 1603 to 2030 m (5260-6650 feet), slopes do not exceed 8%, and aspect varies. The alluvial soils vary in texture from clay or silt to sand, and the soil surface may be bare if flooding has occurred recently, or covered by a mat of older <i>Equisetum</i> stems. Total vegetation cover in this association may exceed 100%, but it is dominated by the fern ally <i>Equisetum laevigatum</i> with between 20 and 75% cover. Graminoids may provide up to 25% cover and include <i>Agrostis gigantea, Juncus arcticus ssp. littoralis</i>, or <i>Muhlenbergia asperifolia</i>. Forbs are generally also present and are variable, but usually indicate disturbance. Riparian trees and shrubs, such as <i>Tamarix ramosissima, Populus</i> spp., and <i>Salix</i> spp., may occur at the margins of the association. Deep rhizome growth allows <i>Equisetum</i> plants to survive environmental disturbances such as burial, flooding, fire and drought. As riparian terraces become isolated from flooding and the water table, <i>Equisetum laevigatum</i> will persist thanks to its system of rhizomes, but other herbaceous and woody species will tend to become dominant.  Accession Code: urn:lsid:vegbank.org:commConcept:31150-{249ECB24-253F-4F12-8F3E-471888B012D6} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 21-Jul-2009 to: ongoing
	status: accepted Community's Parent: Equisetum arvense - Equisetum hyemale - Equisetum variegatum Wet Meadow Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.758104 NatureServe Explorer   Code: CEGL002241   Translated: Smooth Horsetail Wet Meadow   Scientific: Equisetum laevigatum Wet Meadow (convergence) and Synonyms: (similar) Equisetum laevigatum Herbaceous Vegetation