File:Vegetation of Oregon and Washington (1969) (19952894313).jpg

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Title: Vegetation of Oregon and Washington
Identifier: CAT92272720 (find matches)
Year: 1969 (1960s)
Authors: Franklin, Jerry F. cn; Dyrness, C. T
Subjects: Botany Oregon Ecology; Botany Washington (State) Ecology
Publisher: Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U. S. Dept. of Agriculture
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library

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Figure 68. — Woodlands of Quercus garryana and Q. kelloggii are typical of the Interior Valley Zone; mosaic of Quercus woodland and grassland near Ashland, Oregon, at the head of the Rogue River valley.
Text Appearing After Image:
Figure 69.- Mixed stands of Quercus garryana and Arbutus menziesii with scattered Pseu- dotsuga menziesii are typical of many low hills in the Umpqua valley; note the Rosa eglanteria and Rhus diversiloba in the foreground pasture. mon, often with scattered Pseudotsuga men- ziesii (Gratkowski 1961a) (fig. 69). In the Rogue River valley, Quercus garryana appears to be more important than Quercus kelloggii on the most xeric habitats. Quercus communities have been studied in detail only in the Willamette valley. Thilenius (1964, 1968) recognized four major Quercus garryana communities in the central valley area and named them after understory domi- nants: Corylus cornuta-Polystichum muni- tum, Amelanchier alnifolia-Symphoricarpos albus, Prunus avium-Symphoricarpos albus, and Rhus diversiloba. Characteristic under- story species for these communities are listed in table 13. The Corylus cornuta-Polystichum munitum and Amelanchier alnifolia- Symphoricarpos albus are types found on the least disturbed sites. Prunus avium, an ex- tremely tolerant introduced shrub or tree, dominates the understory in the third com- munity type. Prunus avium saplings often produce nearly impenetrable thickets. 82

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Flickr tags
InfoField
  • bookid:CAT92272720
  • bookyear:1969
  • bookdecade:1960
  • bookcentury:1900
  • bookauthor:Franklin_Jerry_F_cn
  • bookauthor:Dyrness_C_T
  • booksubject:Botany_Oregon_Ecology
  • booksubject:Botany_Washington_State_Ecology
  • bookpublisher:Portland_Or_Pacific_Northwest_Forest_and_Range_Experiment_Station_U_S_Dept_of_Agriculture
  • bookcontributor:U_S_Department_of_Agriculture_National_Agricultural_Library
  • booksponsor:U_S_Department_of_Agriculture_National_Agricultural_Library
  • bookleafnumber:94
  • bookcollection:usda_usfspacificnorthwestregion
  • bookcollection:usdanationalagriculturallibrary
  • bookcollection:fedlink
  • bookcollection:americana
  • bookcollection:biodiversity
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
14 August 2015


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current16:08, 21 September 2015Thumbnail for version as of 16:08, 21 September 20151,260 × 1,006 (331 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': Vegetation of Oregon and Washington<br> '''Identifier''': CAT92272720 ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=i...

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