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(Populus tremuloides) / Crataegus douglasii / Heracleum maximum Wet Shrubland | NatureServe Biotics 2019
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Name: (Populus tremuloides) / Crataegus douglasii / Heracleum maximum Wet Shrubland
Reference: NatureServe Biotics 2019
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: urn:lsid:vegbank.org:commConcept:30003-{B9CB53BB-E378-493E-8630-49C5587A0AA0}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 10-Jun-1993 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.689115 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001094
  Translated: (Quaking Aspen) / Black Hawthorn / Common Cow-parsnip Wet Shrubland
  Scientific: (Populus tremuloides) / Crataegus douglasii / Heracleum maximum Wet Shrubland
(convergence) and Synonyms:
(similar) (Populus tremuloides) / Crataegus douglasii / Heracleum maximum Shrubland
(similar) CEGL001094
(similar) (Populus tremuloides) / Crataegus douglasii / Heracleum maximum Shrubland