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Alnus rubra / Elymus glaucus Riparian Forest | NatureServe Biotics 2019
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Name: Alnus rubra / Elymus glaucus Riparian Forest
Reference: NatureServe Biotics 2019
Description: This association occurs in western Washington at low elevations on riparian floodplains and flat, lower terraces. Soils are well-drained due to coarse texture. Cobbles can be common on the soil surface of these sites although often obscured by litter. The canopy is dominated by <i>Alnus rubra</i>. In the western Olympics, <i>Picea sitchensis</i> is typically in the canopy or subcanopy. Grasses dominate the understory, and can codominate with the trailing dwarf-shrub <i>Rubus ursinus</i> (latter situation not found in the parks). <i>Acer circinatum</i> occasionally forms a tall-shrub layer. <i>Elymus glaucus</i> or <i>Elymus hirsutus</i> has over 1% cover and often well over 10%. <i>Polystichum munitum</i> is usually present but under 5% cover. <i>Oxalis oregana, Claytonia sibirica, Galium aparine, Circaea alpina</i>, and <i>Tolmiea menziesii</i> occur frequently. <i>Agrostis</i> spp. and <i>Ranunculus repens</i> are often abundant. Sites heavily used by elk may lack the full suite of native indicator species but are still dominated by grasses, such as <i>Poa trivialis, Agrostis exarata, Poa pratensis</i>, or <i>Bromus sitchensis</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:32280-{C4C04304-BDDB-43F2-9450-975A56841580}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 07-Jan-2016 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.685992 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL003398
  Translated: Red Alder / Blue Wildrye Riparian Forest
  Scientific: Alnus rubra / Elymus glaucus Riparian Forest
(convergence) and Synonyms:
(similar) CEGL003398
(similar) Alnus rubra / Elymus glaucus Forest
(similar) Alnus rubra / Elymus glaucus Forest