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  1. By: Beatty, Jerome S - Mathiasen, Robert L. - United States. Forest Service.
    Edition: Rev. Sept. 2003.
    Publication info: [Washington, D.C.?], U.S. Dept. of Agriculture, Forest Service, 2003
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Mathiasen, Robert L. - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1994
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Mathiasen, Robert L. - Hawksworth, Frank G. (Frank Goode), - Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
    Publication info: Fort Collins, Colo, Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1980
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Mathiasen, Robert L. - Daugherty, Carolyn M.
    Type: Article
    In: Phytologia
    Volume: 95
    Date: 2013
    Page Range: 70--78
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  2. By: Mathiasen, Robert L. - Daugherty, Carolyn M.
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 3
    Date: 2009
    Page Range: 741--749
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  3. By: Beatty, Jerome S - Mathiasen, Robert L. - Parks, Catherine G.
    Type: Article
    In: Phytologia
    Volume: 85
    Date: 1998
    Page Range: 268--270
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  4. By: Mathiasen, Robert L. - Daugherty, Carolyn M.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 53
    Date: 2006
    Page Range: 69--71
    Publication Info: Berkeley, California Botanical Society,
  5. By: Mathiasen, Robert L. - Daugherty, Carolyn M.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 56
    Date: 2009
    Page Range: 118--126
    Publication Info: Berkeley, California Botanical Society,
  6. By: Kenaley, Shawn C - Mathiasen, Robert L.
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 7
    Issue: 1
    Date: 2013
    Page Range: 311--322
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  7. By: Mathiasen, Robert L. - Daugherty, Carolyn M. - Reif, Brian P
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 56
    Date: 2009
    Page Range: 99--103
    Publication Info: Berkeley, California Botanical Society,
  8. By: Daugherty, Carolyn M. - Mathiasen, Robert L.
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 17
    Date: 2007
    Page Range: 222--227
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  9. By: Scott, Jared M - Mathiasen, Robert L.
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 3
    Date: 2009
    Page Range: 13--21
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  10. By: Mathiasen, Robert L. - Kenaley, Shawn C
    Type: Article
    In: Phytologia
    Volume: 99
    Issue: 2
    Date: 2017
    Page Range: 95--110
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  11. By: Mathiasen, Robert L. - Kenaley, Shawn C - Reif, Brian P
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 6
    Issue: 2
    Date: 2012
    Page Range: 599--609
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  12. By: Mathiasen, Robert L. - González Elizondo, M. Socorro (María Socorro) - Gonzalez Elizondo, Martha. - Howell, Brian E - López-Enríquez, Irma Lorena. - Scott, Jared - Tena Flores, Jorge Alberto.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 55
    Date: 2008
    Page Range: 161--169
    Publication Info: Berkeley, California Botanical Society,
  13. By: Mathiasen, Robert L. - Hawksworth, Frank G. (Frank Goode),
    Type: Article
    In: The Great Basin naturalist
    Volume: 50
    Issue: 1
    Date: 1990
    Page Range: 91--92
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  14. By: Mathiasen, Robert L. - Loftis, Larry
    Type: Article
    In: The Great Basin naturalist
    Volume: 47
    Issue: 1
    Date: 1987
    Page Range: 161--162
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  15. By: Wagner, Michael R. - Mathiasen, Robert L.
    Type: Article
    In: The Great Basin naturalist
    Volume: 45
    Issue: 3
    Date: 1985
    Page Range: 423--426
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  16. By: Mathiasen, Robert L. - Hawksworth, Frank G. (Frank Goode), - Edminster, Carleton B.
    Type: Article
    In: The Great Basin naturalist
    Volume: 50
    Issue: 2
    Date: 1990
    Page Range: 173--179
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  17. By: Mathiasen, Robert L. - Blake, Elizabeth A - Edminster, Carleton B.
    Type: Article
    In: The Great Basin naturalist
    Volume: 46
    Issue: 2
    Date: 1986
    Page Range: 277--280
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  18. By: Hawksworth, Frank G. (Frank Goode), - Mathiasen, Robert L.
    Type: Article
    In: The Great Basin naturalist
    Volume: 38
    Date: 1978
    Page Range: 89--89
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  19. By: Mathiasen, Robert L. - Edminster, Carleton B. - Hawksworth, Frank G. (Frank Goode),
    Type: Article
    In: The Great Basin naturalist
    Volume: 50
    Issue: 1
    Date: 1990
    Page Range: 67--71
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  20. By: Mathiasen, Robert L.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 58
    Date: 2011
    Page Range: 101--105
    Publication Info: Berkeley, California Botanical Society,
  21. By: Mathiasen, Robert L. - Kenaley, Shawn C
    Type: Article
    In: Phytologia
    Volume: 97
    Issue: 3
    Date: 2015
    Page Range: 200--218
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  22. By: Mathiasen, Robert L. - Kenaley, Shawn C
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 62
    Date: 2015
    Page Range: 1--20
    Publication Info: Berkeley, California Botanical Society,
  23. By: Mathiasen, Robert L.
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 17
    Date: 2007
    Page Range: 217--221
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  24. By: Mathiasen, Robert L.
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 18
    Date: 2008
    Page Range: 501--507
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  25. By: Mathiasen, Robert L. - Daugherty, Carolyn M. - Howell, Brian E - Melgar, Jose C - Sesnie, Steven E.
    Type: Article
    In: Madroño; a West American journal of botany
    Volume: 54
    Date: 2007
    Page Range: 156--163
    Publication Info: Berkeley, California Botanical Society,
  26. By: Mathiasen, Robert L. - Wass, Ed F.
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 13
    Date: 2003
    Page Range: 268--276
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  27. By: Mathiasen, Robert L. - Parks, Catherine G. - Geils, Brian W - Beatty, Jerome S
    Type: Article
    In: Phytologia
    Volume: 84
    Date: 1998
    Page Range: 154--164
    Publication Info: Bronx Park, New York H.A. Gleason and H.N. Moldenke
  28. By: Mathiasen, Robert L. - Jones, Kenneth H
    Type: Article
    In: The Great Basin naturalist
    Volume: 43
    Date: 1983
    Page Range: 741--746
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  29. By: Mathiasen, Robert L.
    Type: Article
    In: The Great Basin naturalist
    Volume: 36
    Date: 1976
    Page Range: 461--462
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  30. By: Mathiasen, Robert L.
    Type: Article
    In: The Great Basin naturalist
    Volume: 42
    Date: 1982
    Page Range: 120--127
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,