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  1. By: Keller, Harold W.
    Type: Article
    In: SIDA, contributions to botany
    Volume: 16
    Date: 1995
    Page Range: 698--698
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  2. By: Keller, Harold W.
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 7
    Issue: 2
    Date: 2013
    Page Range: 826--826
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  3. By: Keller, Harold W.
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 6
    Issue: 2
    Date: 2012
    Page Range: 452--452
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  4. By: Keller, Harold W.
    Type: Review
    In: Journal of the Botanical Research Institute of Texas
    Volume: 3
    Date: 2009
    Page Range: 12--12
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  5. By: Keller, Harold W.
    Type: Review
    In: Journal of the Botanical Research Institute of Texas
    Volume: 3
    Date: 2009
    Page Range: 168--168
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  6. By: Keller, Harold W.
    Type: Review
    In: Journal of the Botanical Research Institute of Texas
    Volume: 4
    Date: 2010
    Page Range: 380--380
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  7. By: Keller, Harold W.
    Type: Review
    In: Journal of the Botanical Research Institute of Texas
    Volume: 4
    Date: 2010
    Page Range: 410--410
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  8. By: Keller, Harold W.
    Type: Review
    In: SIDA, contributions to botany
    Volume: 17
    Date: 1996
    Page Range: 196--196
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  9. By: Keller, Harold W.
    Type: Review
    In: SIDA, contributions to botany
    Volume: 17
    Date: 1996
    Page Range: 214--214
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  10. By: Keller, Harold W.
    Type: Review
    In: SIDA, contributions to botany
    Volume: 17
    Date: 1996
    Page Range: 250--250
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  11. By: Keller, Harold W.
    Type: Review
    In: SIDA, contributions to botany
    Volume: 17
    Date: 1996
    Page Range: 264--264
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  12. By: Keller, Harold W.
    Type: Review
    In: SIDA, contributions to botany
    Volume: 15
    Date: 1993
    Page Range: 616--616
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  13. By: Keller, Harold W.
    Type: Article
    In: SIDA, contributions to botany
    Volume: 16
    Date: 1995
    Page Range: 791--792
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  14. By: Keller, Harold W.
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 7
    Issue: 2
    Date: 2013
    Page Range: 820--820
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  15. By: Keller, Harold W.
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 8
    Issue: 1
    Date: 2014
    Page Range: 87--126
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  16. By: Keller, Harold W.
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 6
    Issue: 1
    Date: 2012
    Page Range: 316--319
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  17. By: Keller, Harold W.
    Type: Article
    In: SIDA, contributions to botany
    Volume: 16
    Date: 1995
    Page Range: 602--602
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  18. By: Keller, Harold W. - Davison, Paul G. - Haufler, Christopher H - Lesmeister, Damon B
    Type: Article
    In: American fern journal
    Volume: 93
    Date: 2003
    Page Range: 36--41
    Publication Info: [Washington, etc.] American Fern Society
  19. By: Keller, Harold W.
    Type: Article
    In: SIDA, contributions to botany
    Volume: 16
    Date: 1995
    Page Range: 607--608
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  20. By: Ciegler, Alex - Eliasson, Uno H. - Keller, Harold W.
    Type: Article
    In: Evansia
    Volume: 20
    Issue: 4
    Date: 2003
    Page Range: 114--131
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  21. By: Kilgore, Courtney M - Keller, Harold W. - Everhart, Sydney E - Scarborough, Angela R - Snell, Kenneth L - Skrabal, Melissa S - Pottorff, Charly - Ely, Joseph S
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 2
    Date: 2008
    Page Range: 1309--1336
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  22. By: Davison, Paul G. - Keller, Harold W.
    Type: Article
    In: Evansia
    Volume: 21
    Issue: 2
    Date: 2004
    Page Range: 79--87
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-