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Picea engelmannii / Maianthemum stellatum Forest | Western Ecology Working Group of...
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Name: Picea engelmannii / Maianthemum stellatum Forest Reference: Western Ecology Working Group of... Description: This forest association is uncommon on lower slopes and benches in the montane and lower subalpine zones between 1525 and 2135 m (5000-7000 feet) elevation in the mountains of southwest and central Montana. Soils are gravelly loams to silts derived from calcareous and non-calcareous parent material. This type is characterized by a closed or nearly closed forest canopy. <i>Pseudotsuga menziesii</i> and sometimes <i>Pinus contorta</i> dominate or codominate seral stands. <i>Picea engelmannii</i> or <i>Picea engelmannii x glauca</i> become dominant in late seral stands. There is a moderately dense shrub layer dominated by <i>Juniperus communis, Mahonia repens, Spiraea betulifolia</i>, and <i>Symphoricarpos albus</i>. <i>Calamagrostis rubescens, Carex geyeri, Arnica cordifolia</i>, and <i>Geranium richardsonii</i> dominate the herbaceous layer. <i>Maianthemum stellatum</i> and <i>Thalictrum occidentale</i> are both diagnostic species and may have as little as 1% cover. This association is very similar in composition and abiotic parameters to ~<i>Picea engelmannii / Galium triflorum</i> Forest (CEGL002174)$$, but this latter association occurs on moist to wet sites and has any two of the following forbs represented: <i>Galium triflorum, Actaea rubra</i>, or <i>Streptopus amplexifolius</i>. This association occurs on more mesic (collecting) positions than other adjacent upland types such as <i>~Picea (engelmannii x glauca, engelmannii) / Packera streptanthifolia</i> Forest (CEGL000414)$$, <i>~Abies lasiocarpa - Picea engelmannii / Calamagrostis rubescens</i> Forest (CEGL000301)$$ or <i>~Pseudotsuga menziesii / Calamagrostis rubescens</i> Woodland (CEGL000429)$$.  Accession Code: VB.CC.33554.CEGL000415 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.2.688427 NatureServe Explorer   Translated: Engelmann Spruce / Starry False Lily-of-the-Valley Forest   Scientific: Picea engelmannii / Maianthemum stellatum Forest   Code: CEGL000415