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Puccinellia nuttalliana Salt Marsh | NatureServe Biotics 2019
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Name: Puccinellia nuttalliana Salt Marsh Reference: NatureServe Biotics 2019 Description: This wetland association is described from a high-elevation (2900 m) park in central Colorado and in southwestern and central Montana, as well as stands from central and southern Alberta, Canada. It likely occurs elsewhere across the western and northern Great Plains and the western U.S. and Canada and possibly into the Boreal Plains in Alberta in areas of solonetzic soils. While the dominant species occurs over a broad geographic range, it has quite specific habitat needs, requiring moist soils of intermediate salinity in seasonally wet meadow habitats. Site topography is generally flat with poor drainage. In South Park, Colorado, there is often a small microtopography of hummocks which affects the water relations and therefore species composition. The soils are moist, saline and alkaline, derived from calcareous shales or other saline parent material. The snow/rain- and groundwater-saturated soils usually dry out during the growing season. Communities form a ring just above the succulent plant communities associated with playas, salt flats and saline lakes, or may occur as patches along intermittent drainages. They exist in saline soils that range from 0.7-1% total salts. The pH levels are commonly very alkaline. The wetland vegetation is characterized by the dominance of <i>Puccinellia nuttalliana</i> in the graminoid layer. <i>Distichlis spicata</i> or <i>Hordeum jubatum</i> may codominate is some stands. The forb layer is relatively sparse and is often composed of <i>Salicornia rubra</i> or <i>Triglochin maritima</i>. Diagnostic of this herbaceous wetland association is the dominance of <i>Puccinellia nuttalliana</i>.  Accession Code: urn:lsid:vegbank.org:commConcept:30708-{47B73C4A-2216-48B2-88DB-730FFB10C172} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: ongoing
	status: accepted Community's Parent: Sporobolus airoides - Muhlenbergia asperifolia - Spartina gracilis Alkaline Wet Meadow Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.688115 NatureServe Explorer   Code: CEGL001799   Translated: Nuttall's Alkali Grass Salt Marsh   Scientific: Puccinellia nuttalliana Salt Marsh (convergence) and Synonyms: (similar) CEGL001799 (similar) Puccinellia nuttalliana Herbaceous Vegetation (similar) Puccinellia nuttalliana Herbaceous Vegetation