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  1. By: Clark, John L. (John Littner) - Clavijo, Laura
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 6
    Issue: 2
    Date: 2012
    Page Range: 385--390
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  2. By: Clark, John L. (John Littner) - Keener, Brian R
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 5
    Date: 2011
    Page Range: 499--504
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  3. By: Clavijo, Laura - Clark, John L. (John Littner)
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 6
    Issue: 1
    Date: 2012
    Page Range: 71--74
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  4. By: Smith, James F - Amaya-Márquez, Marisol - Marín-Gómez, Oscar H - Clark, John L. (John Littner)
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 7
    Issue: 2
    Date: 2013
    Page Range: 667--679
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  5. By: Hoyos, David - Clavijo, Laura - Clark, John L. (John Littner)
    Type: Article
    In: PhytoKeys
    Volume: 218
    Date: 2023
    Page Range: 59-68
    Publication Info: Pensoft Publishers 2023
  6. By: Rodas, Larri A - Clark, John L. (John Littner)
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 8
    Issue: 1
    Date: 2014
    Page Range: 43--45
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  7. By: Clark, John L. (John Littner) - Tobar Suárez, Diego Francisco
    Type: Article
    In: PhytoKeys
    Volume: 186
    Date: 2021
    Page Range: 1-9
    Publication Info: Pensoft Publishers 2021
  8. By: Clark, John L. (John Littner) - Neill, David A
    Type: Article
    In: PhytoKeys
    Volume: 227
    Date: 2023
    Page Range: 89-97
    Publication Info: Pensoft Publishers 2023
  9. By: Clark, John L. (John Littner) - Tobar Suárez, Diego Francisco - Keene, Jeremy
    Type: Article
    In: PhytoKeys
    Volume: 210
    Date: 2022
    Page Range: 15-21
    Publication Info: Pensoft Publishers 2022
  10. By: Clark, John L. (John Littner) - Jost, Lou
    Type: Article
    In: PhytoKeys
    Volume: 179
    Date: 2021
    Page Range: 99-110
    Publication Info: Pensoft Publishers 2021
  11. By: Keener, Brian R - Clark, John L. (John Littner)
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 8
    Issue: 1
    Date: 2014
    Page Range: 57--60
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  12. By: Clark, John L. (John Littner) - Skog, L E
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 12
    Date: 2002
    Page Range: 173--178
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  13. By: Clark, John L. (John Littner) - Salinas, Irayda - Skog, L E
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 15
    Date: 2005
    Page Range: 70--79
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  14. By: Clark, John L. (John Littner) - Skog, Laurence E
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 2
    Date: 2008
    Page Range: 19--24
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  15. By: Clark, John L. (John Littner) - Skog, Laurence E
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 19
    Date: 2009
    Page Range: 439--443
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  16. By: Clark, John L. (John Littner) - Skog, Laurence E - Barrie, Fred R.
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 21
    Issue: 4
    Date: 2011
    Page Range: 413--423
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  17. By: Mora, M Marcela - Clark, John L. (John Littner) - Skog, Laurence E
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 6
    Issue: 1
    Date: 2012
    Page Range: 65--69
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-
  18. By: Pitman, Nigel - White, Dawson - Guevara Andino, Juan Ernesto - Couvreur, Thomas L.P. - Fortier, Riley - Zapata, Nicolás - Cornejo, Xavier - Clark, John L. (John Littner) - Feeley, Kenneth - Johnston, Mark, - Lozinguez, Alix - Rivas-Torres, Gonzalo
    Type: Article
    In: PhytoKeys
    Volume: 194
    Date: 2022
    Page Range: 33-46
    Publication Info: Pensoft Publishers 2022
  19. By: Clark, John L. (John Littner) - Taylor, Charlotte M. (Charlotte Morley)
    Type: Article
    In: Novon a journal of botanical nomenclature from the Missouri Botanical Garden
    Volume: 11
    Date: 2001
    Page Range: 489--497
    Publication Info: St. Louis, MO, Missouri Botanical Garden,
  20. By: Clark, John L. (John Littner) - Tobar Suárez, Diego Francisco - Clavijo, Laura - Perret, Mathieu - Graham, Catherine
    Type: Article
    In: PhytoKeys
    Volume: 182
    Date: 2021
    Page Range: 67-82
    Publication Info: Pensoft Publishers 2021
  21. By: Tobar Suárez, Diego Francisco - Smith, James - Clark, John L. (John Littner)
    Type: Article
    In: PhytoKeys
    Volume: 196
    Date: 2022
    Page Range: 49-61
    Publication Info: Pensoft Publishers 2022
  22. By: Clark, John L. (John Littner) - Clavijo, Laura
    Type: Article
    In: PhytoKeys
    Volume: 190
    Date: 2022
    Page Range: 1-14
    Publication Info: Pensoft Publishers 2022
  23. By: Keene, Jeremy - Ballard, Harvey E - Clark, John L. (John Littner)
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 5
    Date: 2011
    Page Range: 513--520
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-