Aspen community types on the Bridger-Teton National Forest in western Wyoming
Andrew P. Youngblood, W. F. Mueggler, Intermountain Forest and Range Experiment Station (Ogden, Utah)
U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1981 - Aspen - 34 pages
A classification system is presented for aspen (Populus tremuloides Michx.) dominated forests on the Bridger-Teton National Forest in western Wyoming. Twenty-six aspen community types are defined and described. A diagnostic key that utilizes indicator plant species is provided for field identification of the community types. Vegetation composition, environment, productivity, relationship to surrounding vegetation, and successional status are discussed. Tables are provided for detailed comparisons.
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25 percent cover Abies lasiocarpa Abies lasiocarpa zone Arnica cordifolia Artemisia steppe Berberis repens Bridger-Teton National Forest Calamagrostis rubescens canadensis canopy cover conifer cordifolia habitat type cover Populus tremuloides cover type dominated footnote Geranium viscosissimum graminoids Gros Ventre Range habitat type Steele high constancy Hoback I I I I lasiocarpa/Arnica cordifolia habitat least 10 percent llll lt occurs Lupinus argenteus moderately steep northern O O O OO*O OOOO OOOO Osmorhiza occidentalis Overstory production Pedicularis racemosa percent cover Populus Picea engelmannii Pinus contorta Populus tremuloides-Abies lasiocarpa Potr Potr-Abla Potr-Abla/Bere c.t. Potr-Psme/Spbe c.t. Potr/Arco c.t. Potr/Bere c.t. Potr/Caru c.t. Potr/Hela c.t. Potr/Juco Potr/Lifi c.t. Potr/Ruoc c.t. Potr/Syor c.t. Potr/Thfe c.t. Prunus virginiana Pseudotsuga menziesii ranged in elevation Rosa woodsii Rudbeckia occidentalis Salt River Ranges sample plots ranged seedlings slopes species Symphoricarpos oreophilus Thalictrum fendleri Undergrowth productivity usually vegetation western Wyoming Wind River Range Wyoming Range