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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 Front Range of north-central Colorado. It occurs from 3300-3450 m (10,810-11,320 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 typically dominated by the evergreen needle-leaved tree <i>Picea engelmannii</i>, both in the canopy and as seedlings and saplings in the understory. <i>Abies lasiocarpa, Pinus flexilis</i>, and <i>Pinus aristata</i> 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 <i>Trifolium dasyphyllum</i> and <i>Trifolium parryi</i> 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 <i>Festuca brachyphylla</i> and <i>Trisetum spicatum</i>, and the forbs <i>Arenaria fendleri, Penstemon whippleanus, Pyrola minor</i>, and <i>Sedum stenopetalum</i>.  Accession Code: VB.CC.33478.CEGL000377 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.2.688583 NatureServe Explorer   Translated: Engelmann Spruce / Alpine Clover Forest   Scientific: Picea engelmannii / Trifolium dasyphyllum Forest   Code: CEGL000377