Name:
Picea engelmannii - Populus angustifolia / Cornus sericea Riparian & Swamp Forest Macrogroup
Reference:
NatureServe Biotics 2019
Description:
This macrogroup consists of riparian and permanently saturated forests and woodlands dominated by cottonwood trees conifer trees or a mix. Species typically seen are <i>Abies grandis, Abies lasiocarpa, Acer negundo, Alnus rhombifolia, Fraxinus latifolia, Juglans major, Juniperus scopulorum, Larix occidentalis, Picea engelmannii, Picea pungens, Pinus contorta, Pinus ponderosa, Populus angustifolia, Populus balsamifera</i>. Many other tree species may dominate. Stands usually have complex structure of tree shrub and herbaceous layers. Shrubs species include dryland to wetland obligate species and range from <i>Artemisia</i> spp. to <i>Salix</i> spp., and include <i>Alnus</i> spp., <i>Betula occidentalis</i>, and <i>Cornus sericea</i>. Herbaceous layers can be dominated by forbs, graminoids or be sparsely vegetated, depending on the amount of shading and soil moisture and disturbance history. Dominant herbaceous species include <i>Asarum caudatum, Athyrium filix-femina, Calamagrostis canadensis, Carex obnupta, Clintonia uniflora, Distichlis spicata, Equisetum</i> spp., <i>Gymnocarpium dryopteris, Leymus triticoides, Maianthemum stellatum, Senecio triangularis</i>, and <i>Thalictrum fendleri</i>. Introduced forage species such as <i>Agrostis stolonifera, Poa pratensis, Phleum pratense</i>, and <i>Bromus inermis</i> can be abundant. This macrogroup occupies interior mountains and valleys at elevations east of the Cascade Range and Sierra Nevada below alpine along streambanks, hillside seeps and floodplain soils that are seasonally wet via high water tables or surface flooding. This macrogroup occurs throughout the Great Basin and Rocky Mountains, from high mountains in New Mexico north into Alberta and British Columbia and from Colorado west to Idaho, Washington, Nevada and Oregon.
Accession Code:
urn:lsid:vegbank.org:commConcept:40459-{16111AC4-5746-4007-82DD-12D1068340D7}
Plot-observations of this Community Concept:
0
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