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(Populus tremuloides) / Crataegus douglasii / Heracleum maximum Shrubland | Western Ecology Working Group of...
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Name: (Populus tremuloides) / Crataegus douglasii / Heracleum maximum Shrubland Reference: Western Ecology Working Group of... Description: This shrubland association of the Columbia Basin grows on relatively moist sites on deep soils within flat valleys between 550 and 800 m (1800-2600 feet) elevation. Winters are cool and receive the bulk of the area's 50 cm of annual precipitation. Summers are warm to hot with very little precipitation. The canopy is dominated by <i>Crataegus douglasii</i> between 5-7 m in height. Intermittently the overstory is locally dominated by <i>Populus tremuloides</i>. The understory is dominated by forbs, including <i>Heracleum maximum, Hydrophyllum fendleri</i>, and <i>Urtica dioica</i>. The remainder of the herbaceous layer is relatively depauperate due to the extreme shading of the <i>Heracleum maximum</i>.  Accession Code: VB.CC.34602.CEGL001094 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.2.689115 NatureServe Explorer   Translated: (Quaking Aspen) / Black Hawthorn / Common Cow-parsnip Shrubland   Scientific: (Populus tremuloides) / Crataegus douglasii / Heracleum maximum Shrubland   Code: CEGL001094