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Picea engelmannii / Trifolium dasyphyllum Forest | Western Ecology Working Group of...
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Name: Picea engelmannii / Trifolium dasyphyllum Forest Reference: Western Ecology Working Group of... Description: This association is known only from the Arapaho and Roosevelt national forests in north-central Colorado, in the Front Range of north-central Colorado. It occurs from 10,820-11,320 feet elevation, just below krummholz timberline, on moderately steep north-facing slopes that are mostly convex to undulating. Sites can be characterized as relatively xeric, cold and exposed. Soils are derived primarily from granitic colluvial parent materials. They are minimally developed Typic Cryorthents: shallow, coarse-textured (sandy loams), and with rocks on the surface. This is a forest association dominated by the evergreen needle-leaved tree Picea engelmannii, both in the canopy and as seedlings and saplings in the understory. Abies lasiocarpa and Pinus aristata, other coniferous trees, are minor components in the canopy and very infrequent in the understory. There is no shrub layer. The herbaceous understory layer is sparse, with total cover averaging <15%. The perennial forbs Trifolium dasyphyllum and Trifolium parryi are the only abundant herbaceous species, averaging 6% and 3% cover, respectively. The remaining herbaceous species are a mix of perennial graminoids and forbs; important species include the graminoids Festuca brachyphylla and Trisetum spicatum, and the forbs Arenaria fendleri, Penstemon whippleanus, Pyrola minor, and Sedum stenopetalum.  Accession Code: VB.CC.26086.PICEAENGELMANNI Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Picea engelmannii Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Engelmann Spruce / Uinta Clover Forest   UID: ELEMENT_GLOBAL.2.688583 NatureServe Explorer   Code: CEGL000377   Scientific: Picea engelmannii / Trifolium dasyphyllum Forest   Common: Engelmann Spruce / Uinta Clover (convergence) and Synonyms: (undetermined) Picea engelmannii / Trifolium dasyphyllum Forest