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Pinus contorta var. murrayana / Ledum glandulosum Forest | Western Ecology Working Group of...
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Name: Pinus contorta var. murrayana / Ledum glandulosum Forest Reference: Western Ecology Working Group of... Description: This forest association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. This association is found along small streams and on the edges of meadows, or on slightly higher elevations in meadows, from approximately 2350 to 2740 m (7700-9000 feet) in elevation on flat to gentle slopes of variable aspects. Microtopography is sometimes hummocky with <i>Ledum</i> and pines growing on slightly elevated portions of more saturated surrounding terrain. Soil textures range from silty loam of granitic origin to muck. Soils are somewhat poorly drained to poorly drained. Litter/duff cover ranges from 20-95%. Sites are palustrine. The tree layer is composed almost solely of <i>Pinus contorta var. murrayana</i>, averaging 15-20 m in height and about 20% cover. <i>Ledum glandulosum</i> provides an average of 47% cover in the shrub layer, which is generally 0.5-1 m. Other (sub)shrubs include <i>Spiraea splendens var. splendens, Vaccinium uliginosum</i>, and <i>Kalmia polifolia</i>; <i>Pinus contorta var. murrayana</i> saplings are also present in the shrub layer. The herb layer is variable, with <i>Chamerion angustifolium (= Epilobium angustifolium), Perideridia parishii, Calamagrostis canadensis, Deschampsia caespitosa</i>, and <i>Carex utriculata</i> providing most of the cover in this layer. There are another 62, mostly wetland meadow species included in the plot summaries, but most of them average only trace cover.  Accession Code: VB.CC.33171.CEGL008668 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.2.686290 NatureServe Explorer   Translated: Sierra Lodgepole Pine / Western Labrador-tea Forest   Scientific: Pinus contorta var. murrayana / Ledum glandulosum Forest   Code: CEGL008668