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  1. By: Curtiss, Allen Hiram, - Gray, Asa, - Watson, Sereno,
    Publication info: [1867-1889]
    Holding Institution: Harvard University Botany Libraries
  2. By: Candolle, Alphonse de, - Gray, Asa, - Watson, Sereno, - Gray, Jane Loring,
    Publication info: [1860-1890]
    Holding Institution: Harvard University Botany Libraries
  3. By: Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  4. By: Gray, Asa, - Brace, Charles Loring, - Brace, John Pierce, - Davenport, George E. (George Edward), - Henry, Joseph, - James, Thomas Potts, - Watson, Sereno,
    Publication info: [1838-1931]
    Holding Institution: Harvard University Botany Libraries
  5. By: Watson, Sereno,
    Publication info: Washington,Smithsonian Institution,1878.
    Holding Institution: Multiple institutions
    BHL Collections: New York Botanical Garden
  6. By: Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  7. By: Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  8. By: Geological Survey of California. - Brewer, William Henry, - Gray, Asa, - Watson, Sereno,
    Publication info: Cambridge, Mass.,John Wilson and Son,1880
    Holding Institution: Multiple institutions
  9. By: Watson, Sereno, - Eaton, Daniel Cady,
    Publication info: Washington, D.C. : G.P.O., 1871.
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
  10. By: Bailey, William Whitman, - Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  11. By: Watson, Sereno, - Eaton, Daniel Cady, - United States. Geological Exploration of the 40th Parallel.
    Publication info: Washington,Govt. Print. Off.,1871.
    Holding Institution: Cornell University Library
  12. By: Geological Survey of California. - Brewer, William Henry, - Watson, Sereno, - Gray, Asa,
    Publication info: Cambridge, Mass.,Welch, Bigelow, University Press,1876-80.
    Holding Institution: Multiple institutions
    BHL Collections: New York Botanical Garden
  13. By: Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  14. By: Watson, Sereno, - Brewer, William Henry,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  15. By: Watson, Sereno, - Rothrock, Joseph T., - United States. Geographical and Geological Explorations and Surveys West of the 100th Meridian.
    Publication info: Washington [D.C.] :G.P.O.,1874.
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Herbarium
  16. By: Watson, Sereno,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
  17. By: Eaton, Daniel Cady, - Davenport, George E. (George Edward), - Fernald, Merritt Lyndon, - Gray, Asa, - Gray, Jane Loring, - Watson, Sereno,
    Publication info: [1855-1891]
    Holding Institution: Harvard University Botany Libraries
  18. By: Oliver, Daniel, - Gray, Asa, - Watson, Sereno,
    Publication info: [1862-1890]
    Holding Institution: Harvard University Botany Libraries
  19. By: Mueller, Ferdinand von, Freiherr - Gray, Asa, - Watson, Sereno,
    Publication info: [1854-1891]
    Holding Institution: Harvard University Botany Libraries
  20. By: Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  21. By: Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  22. By: Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  23. By: Davenport, George E. (George Edward), - Waters, Campbell Easter, - Watson, Sereno, - Watt, David A. P., - Wendte, William, - Williamson, John, , - Woolson, G. A. (Grace A.), - Wright, William Greenwood, - Yates, Lorenzo G. (Lorenzo Gordin), - Young, M. J. (Maude Jeannie),
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: Archives from the Boston Metropolitan Park Flora
  24. By: Bolander, Henry N. (Henry Nicholas), - Gray, Asa, - Watson, Sereno, - Robinson, Benjamin Lincoln,
    Publication info: [1863-1886]
    Holding Institution: Harvard University Botany Libraries
  25. By: Ball, John, - Gray, Asa, - Watson, Sereno,
    Publication info: [1876-1888]
    Holding Institution: Harvard University Botany Libraries
  26. By: Lemmon, J. G. (John Gill), - Davenport, George E. (George Edward), - Gray, Asa, - Watson, Sereno,
    Publication info: [1873-1891]
    Holding Institution: Harvard University Botany Libraries
  27. By: Macoun, John, - Gray, Asa, - Watson, Sereno,
    Publication info: [1876-1892]
    Holding Institution: Harvard University Botany Libraries
  28. By: Coulter, John Merle, - Gray, Asa, - Watson, Sereno, - Robinson, Benjamin Lincoln,
    Holding Institution: Harvard University Botany Libraries
  29. By: Lesquereux, Léo, - Gray, Asa, - Watson, Sereno,
    Publication info: [1850-1888]
    Holding Institution: Harvard University Botany Libraries
  30. By: Watson, Sereno, - Engelmann, George, - United States Geological Exploration of the Fortieth Parallel
    Publication info: Washington, D.C. :United States Geological Exploration of the 40th paralled,1871
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Herbarium
  31. By: Gray, Asa, - Watson, Sereno, - Coulter, John Merle,
    Edition: 6th ed., rev. and extended westward to the 100th meridian / by Sereno Watson and John M. Coulter.
    Publication info: New York :American Book Company,c1889.
    Holding Institution: Brigham Young University-Idaho (archive.org)
  32. By: Gray, Asa, - Watson, Sereno, - Coulter, John Merle,
    Edition: 6th ed. : rev. and extended westward to the 100th meridian / by Sereno Watson and John M. Coulter.
    Publication info: New York :American Book Company ;c1889.
    Holding Institution: NCSU Libraries (archive.org)
  33. By: Gray, Asa, - Watson, Sereno, - Coulter, John Merle,
    Edition: 6th ed. / by Sereno Watson and John M. Coulter.
    Publication info: New York :American Book Co.,c1889.
    Holding Institution: University of Toronto - Earth Sciences Library (Noranda)
  34. By: Gray, Asa, - Watson, Sereno, - Coulter, John Merle,
    Edition: 6th ed. Rev. and extended westward to the 100th meridian, by Sereno Watson and John M. Coulter, assisted by specialists in certain groups.
    Publication info: New York,Iverson, Blakeman[c1889]
    Holding Institution: University of California Libraries (archive.org)
  35. By: Fernald, Merritt Lyndon, - Allen, John A. (John Alpheus), - Bissell, Charles Humphrey, - Blake, S. F. (Sidney Fay), - Bragg, Laura M., - Briggs, Le Baron Russell, - Britton, Nathaniel Lord, - Frothingham, Louis A., - Gaskin, Helen C., - Gilmore, Melvin R. (Melvin Randolph), - Goodale, George L. (George Lincoln), - Gould, John Mead, - Graves, Arthur Harmount - Greene, Jerome D. (Jerome Davis), - Haliburton, John P., - Holm, Theo - Houghton, George M., - Jones, Vincent S., - Kennedy, George G. (George Golding), - Knowlton, Clarence Hinckley, - Latham, Harold Strong, - Lewis, Eleanor Ashton, - Linder, David H. (David Hunt), - Lindsay, Eugene, - Livingston, Burton E. (Burton Edward), - Lowell, A. Lawrence (Abbott Lawrence), - Macoun, James Melville, - Mercer, James W., - Moore, George T. (George Thomas), - Noyes, George Rapall, - O'Mara, May A., - Osborn, Henry Leslie - Pease, Arthur Stanley, - Piccott, Archibald W., - Porsild, Morten P. (Morten Pedersen), - Pray, James Sturgis, - Rackemann, Francis M. (Francis Minot), - Rand, Benjamin, - Rich, William Penn, - Riddell, John M., - Robertson, I C - Rollins, Reed C - Rose, A. McKinley, - Rose, Albert S., - St. John, Harold, - Tanner, Kenneth J., - Taylor, John Lewis, - Transeau, Edgar Nelson, - Twenhofel, William H. (William Henry), - Watson, Sereno, - Weatherby, Charles Alfred, - Whalen, Elizabeth, - Williams, Emile Francis,
    Publication info: [1890-1929]
    Holding Institution: Harvard University Botany Libraries
  36. By: Kumlien, Ludwig, - Watson, Sereno,
    Publication info: 1877-1878.
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  37. By: Watson, Sereno, - United States Geological Exploration of the Fortieth Parallel
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  38. By: Robbins, James Watson, - Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  39. By: United States Geological Exploration of the Fortieth Parallel - Bien, Julius, - Eaton, Daniel Cady, - Emmons, Samuel Franklin, - Hague, A. (Arnold), - Hague, James D. (James Duncan), - Hall, James, - King, Clarence, - Meek, F. B. (Fielding Bradford), - Ridgway, Robert, - Watson, Sereno, - Whitfield, R. P. - Whitfield, R. P.
    Publication info: Washington, D.C. :G.P.O.,1870-80
    Holding Institution: Multiple institutions
  40. By: Rothrock, Joseph T., - Bebb, M. S. - Boott, William, - Eaton, Daniel Cady, - Engelmann, George, - James, Thomas Potts, - Porter, Thomas Conrad, - Tuckerman, Edward, - Vasey, George, - Watson, Sereno,
    Publication info: Washington,Govt. Print. Off.,1878
    Holding Institution: Multiple institutions
    BHL Collections: Engelmann Herbarium
  41. By: Watson, Sereno,
    Publication info: [Boston]1879.
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: New York Botanical Garden
  42. By: Watson, Sereno,
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    BHL Collections: John Torrey Papers | New York Botanical Garden
  43. By: Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  44. By: Watson, Sereno,
    Holding Institution: Harvard University Botany Libraries
    BHL Collections: BHL Field Notes Project
  45. By: Canby, William Marriott, - Gray, Asa, - Watson, Sereno, - Gray, Jane Loring,
    Publication info: [1861-1895]
    Holding Institution: Harvard University Botany Libraries
  1. By: Lemmon, J. G. (John Gill), - Lemmon, Sara Allen Plummer, - Watson, Sereno,
    Type: List
    In: Plant lists : Arizona, California, etc.,
    Date: 1882
  2. By: Lemmon, J. G. (John Gill), - Lemmon, Sara Allen Plummer, - Watson, Sereno,
    Type: List
    In: Plant lists : Arizona, California, etc.,
    Date: 1882
  3. By: Watson, Sereno,
    Type: List
    In: Plant lists,
    Date: 1881
  4. By: Cusick, William C. (William Conklin), - Watson, Sereno,
    Type: List
    In: Plant lists : Oregon and Idaho,
    Date: 1878
    Publication info: 1878-1902.
  5. By: Cusick, William C. (William Conklin), - Watson, Sereno,
    Type: List
    In: Plant lists : Oregon and Idaho,
    Date: 1882
    Publication info: 1878-1902.
  6. By: Cusick, William C. (William Conklin), - Watson, Sereno,
    Type: List
    In: Plant lists : Oregon and Idaho,
    Date: 1880
    Publication info: 1878-1902.
  7. By: Thurber, George, - Munro, William, - Watson, Sereno,
    Type: List
    In: George Thurber and William Munro Gramineae papers,
    Date: 1858-1859
  8. By: Curtiss, Allen Hiram, - Watson, Sereno,
    Type: List
    In: Plant lists : North America and Florida,
    Date: 1877-1884
    Publication info: 1877-1896.
  9. By: Watson, Sereno,
    Type: Notes
    In: Plant lists,
    Date: 1872
  10. By: Thurber, George, - Watson, Sereno,
    Type: Notes
    In: Plant lists and miscellaneous notes.
    Date: 1838-1866
  11. By: Thurber, George, - Watson, Sereno,
    Type: List
    In: George Thurber and William Munro Gramineae papers,
    Date: 1848-1855
  12. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1889
    Publication info: [1837-1894]
  13. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1889
    Publication info: [1837-1894]
  14. By: Watson, Sereno,
    Type: Correspondence
    In: James Franklin Collins correspondence.
    Date: 1890-04-28
  15. By: Watson, Sereno,
    Type: Correspondence
    In: Cyrus Guernsey Pringle letters to Asa Gray,
    Date: 1890-04-30
    Publication info: [1876-1905]
  16. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1881-08-13
    Publication info: [1838-1898]
  17. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1882-08-21
    Publication info: [1839-1896]
  18. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-08-24
    Publication info: [1838-1898]
  19. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-08-24
    Publication info: [1838-1898]
  20. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-02-13
    Publication info: [1837-1896]
  21. By: Watson, Sereno,
    Type: Correspondence
    In: William Turner Thiselton-Dyer letters to Asa Gray,
    Date: 1891-02-13
    Publication info: [1874-1891]
  22. By: Watson, Sereno,
    Type: Correspondence
    In: Merritt Lyndon Fernald correspondence,
    Date: 1891-02-16
    Publication info: [1890-1929]
  23. By: Watson, Sereno,
    Type: Correspondence
    In: Allen Hirum Curtiss letters to Asa Gray,
    Date: 1867-1889
    Publication info: [1867-1889]
  24. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1888-02
    Publication info: [1847-1891]
  25. By: Watson, Sereno,
    Type: Correspondence
    In: Merritt Lyndon Fernald correspondence,
    Date: 1893-02-19
    Publication info: [1890-1929]
  26. By: Watson, Sereno,
    Type: Correspondence
    In: Joseph Dalton Hooker letters to Asa Gray, 1873-1890
    Date: 1881-07-11
    Publication info: [1873-1890]
  27. By: Watson, Sereno,
    Type: Correspondence
    In: Edward Lee Greene letters to Asa Gray,
    Date: 1888-07-14
    Publication info: [1872-1889]
  28. By: Watson, Sereno,
    Type: Correspondence
    In: Merritt Lyndon Fernald correspondence,
    Date: 1890-07-18
    Publication info: [1890-1929]
  29. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-07-19
    Publication info: [1838-1898]
  30. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-07-19
    Publication info: [1826-1891]
  31. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-07-05
    Publication info: [1837-1894]
  32. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1886-07-07
    Publication info: [1835-1893]
  33. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-06-14
    Publication info: [1832-1902]
  34. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1882-06-16
    Publication info: [1839-1896]
  35. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-06-02
    Publication info: [1838-1898]
  36. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1891-06-03
    Publication info: [1840-1895]
  37. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1891-05-11
    Publication info: [1830-1898]
  38. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1888-05-23
    Publication info: [1838-1898]
  39. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1888-05-25
    Publication info: [1847-1891]
  40. By: Watson, Sereno,
    Type: Correspondence
    In: Merritt Lyndon Fernald correspondence,
    Date: 1890-11-15
    Publication info: [1890-1929]
  41. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1883-11-21
    Publication info: [1831-1895]
  42. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-10-10
  43. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-10-15
    Publication info: [1844-1891]
  44. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1889-10
    Publication info: [1878-1891]
  45. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1889-10
    Publication info: [1878-1891]
  46. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1889-10-19
    Publication info: [1878-1891]
  47. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1891-10-05
    Publication info: [1833-1900]
  48. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1889-10-08
    Publication info: [1878-1891]
  49. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1871-09
    Publication info: [1842-1904]
  50. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1871-09
    Publication info: [1842-1904]
  51. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1890-09-22
    Publication info: [1840-1895]
  52. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1891-09-24
    Publication info: [1835-1893]
  53. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1882-09-28
    Publication info: [1839-1896]
  54. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1832-1902
    Publication info: [1832-1902]
  55. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1838-1898
    Publication info: [1838-1898]
  56. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1838-1898
    Publication info: [1838-1898]
  57. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1838-1898
    Publication info: [1838-1898]
  58. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1839-1890
    Publication info: [1839-1890]
  59. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1833-1900
    Publication info: [1833-1900]
  60. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1842-1898
    Publication info: [1842-1898]
  61. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1842-1898
    Publication info: [1842-1898]
  62. By: Watson, Sereno,
    Type: Correspondence
    In: William Turner Thiselton-Dyer letters to Asa Gray,
    Date: 1874-1891
    Publication info: [1874-1891]
  63. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1842-1898
    Publication info: [1842-1898]
  64. By: Watson, Sereno,
    Type: Correspondence
    In: Charles Christopher Parry letters to Asa Gray,
    Date: 1861-1889
    Publication info: [1861-1889]
  65. By: Watson, Sereno,
    Type: Correspondence
    In: William Turner Thiselton-Dyer letters to Asa Gray,
    Date: 1874-1891
    Publication info: [1874-1891]
  66. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1842-1898
    Publication info: [1842-1898]
  67. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1842-1904
    Publication info: [1842-1904]
  68. By: Watson, Sereno,
    Type: Correspondence
    In: Asa Gray correspondence.
    Date: 1842-1904
    Publication info: [1842-1904]
  69. By: Watson, Sereno,
    Type: Correspondence
    In: Plant lists,
    Date: 1881-1933
    Publication info: [1881-1933]
  70. By: Watson, Sereno, - Bailey, William Whitman,
    Type: List
    In: Plant lists,
    Date: 1867-1869