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  1. By: Ziemer, R. R. (Robert Ruhl) - Swanston, Douglas N. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.) - United States. Forest Service.
    Publication info: Portland, Or, Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Ziemer, R. R. (Robert Ruhl)
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 47
    Issue: 2
    Date: 2018-06
    Page Range: 70--72
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  2. By: Ziemer, R. R. (Robert Ruhl)
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 17
    Issue: 3
    Date: 1988
    Page Range: 70--73
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  3. By: Ziemer, R. R. (Robert Ruhl)
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 9
    Issue: 1
    Date: 1980-03
    Page Range: 15--15
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  4. By: Ziemer, R. R. (Robert Ruhl)
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 39
    Issue: 3
    Date: 2010-09
    Page Range: 67--67
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  5. By: Ziemer, R. R. (Robert Ruhl)
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 41
    Issue: 4
    Date: 2012-12
    Page Range: 154--154
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  6. By: Ziemer, R. R. (Robert Ruhl)
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 2
    Issue: 4
    Date: 1973
    Page Range: 70--71
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  7. By: Bunclark, Steve - Ziemer, R. R. (Robert Ruhl) - Smith, Andy - Weijie, Ding
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 49
    Issue: 3
    Date: 2020-09
    Page Range: 139--142
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  8. By: Bunclark, Steve - Ziemer, R. R. (Robert Ruhl) - Smith, Andy - Weijie, Ding
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 49
    Issue: 3
    Date: 2020-09
    Page Range: 139--142
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  9. By: Ziemer, R. R. (Robert Ruhl) - Selwyn, Aidan - Cahill, Thomas M
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 36
    Issue: 2
    Date: 2007-06
    Page Range: 53--56
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  10. By: Ziemer, R. R. (Robert Ruhl)
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 43
    Issue: 3
    Date: 2014-09
    Page Range: 103--103
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  11. By: Ziemer, R. R. (Robert Ruhl)
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 2
    Issue: 2
    Date: 1973
    Page Range: 25--27
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc
  12. By: Ziemer, R. R. (Robert Ruhl)
    Type: Article
    In: Carnivorous plant newsletter
    Volume: 8
    Issue: 3
    Date: 1979
    Page Range: 90--92
    Publication Info: Fullerton, CA, etc International Carnivorous Plant Society, etc