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  1. By: Gusmão, Luciana Câmara, - Grajales, Alejandro - Rodríguez, Estefanía
    Publication info: New York, NY American Museum of Natural History [2018]
    Holding Institution: American Museum of Natural History Library
  2. By: Norell, Mark A. - Balanoff, Amy M. - Barta, Daniel E. - Erickson, Gregory M.
    Publication info: [New York, NY] American Museum of Natural History [2018]
    Holding Institution: American Museum of Natural History Library
  3. By: Gonzalez, Victor H. - Griswold, Terry L. - Engel, Michael S.
    Publication info: New York, NY, American Museum of Natural History, [2018]
    Holding Institution: American Museum of Natural History Library
  4. By: Barrales-Alcala, Diego Alejandro - Francke, Oscar F. - Prendini, Lorenzo
    Publication info: New York, NY, American Museum of Natural History, [2018]
    Holding Institution: American Museum of Natural History Library
  5. By: González-Santillán, Edmundo - Prendini, Lorenzo
    Publication info: New York, NY, American Museum of Natural History, [2018]
    Holding Institution: American Museum of Natural History Library
  6. By: Symonds, Celia L. - Cassis, Gerasimos
    Publication info: New York, NY, American Museum of Natural History, [2018]
    Holding Institution: American Museum of Natural History Library
  7. By: Velazco, Paúl M. - Patterson, Bruce D.
    Publication info: New York, NY American Museum of Natural History [2019]
    Holding Institution: American Museum of Natural History Library
  8. By: Kelloff, Carol Lynn, - Smithsonian Institution. Biological Diversity of the Guiana Shield Program.
    Publication info: Washington, D.C, Smithsonian Institution Scholarly Press, 2019
    Holding Institution: Smithsonian Institution Scholarly Press (SISP)
  9. By: Pipp, Andrea, - Montana Natural Heritage Program.
    Publication info: [Helena, Montana], [Montana Natural Heritage Program], 2019
    Holding Institution: Montana State Library
  10. By: O'Leary, Maureen A. - Bouaré, Mohamed L. - Claeson, Kerin M., - Heilbronn, Kelly, - Hill, Robert V. - McCartney, Jacob A. - Sessa, Jocelyn A., - Sissoko, Famory. - Tapanila, Leif, - Wheeler, E. A., - Roberts, Eric M.
    Publication info: New York, NY, American Museum of Natural History, [2019]
    Holding Institution: American Museum of Natural History Library
  11. By: Monjaraz-Ruedas, Rodrigo - Prendini, Lorenzo - Francke, Oscar F.
    Publication info: New York, NY, American Museum of Natural History, [2019]
    Holding Institution: American Museum of Natural History Library
  12. By: Botero, Juan Pablo - Gutiérrez, Nayeli
    Publication info: New York, NY American Museum of Natural History [2020]
    Holding Institution: American Museum of Natural History Library
  13. By: Almeida, Francisca Cunha - Simmons, Nancy B. - Giannini, Norberto P.
    Publication info: New York, NY, American Museum of Natural History, [2020]
    Holding Institution: American Museum of Natural History Library
  14. By: Prendini, Lorenzo - Loria, Stephanie F.,
    Publication info: [New York], American Museum of Natural History, [2020]
    Holding Institution: American Museum of Natural History Library
  15. By: Semedo, Thiago Borges Fernandes, - Silva, Maria Nazareth F. da - Gutiérrez, Eliécer E. - Ferreira, Daniela Cristina, - Nunes, Mario Da Silva, - Mendes-Oliveira, Ana C. - Farias, Izeni Pires - Rossi, Rogério V
    Publication info: New York, NY, American Museum of Natural History, [2020]
    Holding Institution: American Museum of Natural History Library
  16. By: Remington, Thomas E. - Deibert, Patricia A. - Hanser, Steven E. - Davis, Dawn M. - Robb, L. A. (Leslie Ann), - Welty, Justin L. - Geological Survey (U.S.) - Western Association of Fish and Wildlife Agencies (U.S.) - United States. Bureau of Land Management. - U.S. Fish and Wildlife Service
    Publication info: Reston, Va, U.S. Geological Survey, 2021
    Holding Institution: Bureau of Land Management
  17. By: Salcha-Delta Soil And Water Conservation District (Alaska) - United States. Bureau of Land Management. - United States. Army. Corps of Engineers. Alaska District. - United States. Environmental Protection Agency. - Alaska. Department of Environmental Conservation. - United States. National Park Service. - U.S. Fish and Wildlife Service - Stream Mechanics (Firm) - Ecosystem Planning And Restoration (Firm)
    Publication info: Delta Junction, Alaska, Salcha-Delta Soil and Water Conservation District, 2021
    Holding Institution: Bureau of Land Management
  18. By: Goodman, Aaron M. - Prendini, Lorenzo - Francke, Oscar F. - Esposito, Lauren A.
    Publication info: [New York] American Museum of Natural History [2021]
    Holding Institution: American Museum of Natural History Library
  19. By: Cain, Shlomo, - Gefen, Eran, - Prendini, Lorenzo
    Publication info: [New York], American Museum of Natural History, [2021]
    Holding Institution: American Museum of Natural History Library
  20. By: Botero-Trujillo, Ricardo - Sain, Colby E., - Prendini, Lorenzo
    Publication info: New York, NY, American Museum of Natural History, [2021]
    Holding Institution: American Museum of Natural History Library
  21. By: Prendini, Lorenzo - Ehrenthal, Valentin L., - Loria, Stephanie F.,
    Publication info: [New York], American Museum of Natural History, [2021]
    Holding Institution: American Museum of Natural History Library
  22. By: Csiki-Sava, Zoltán - Vremir, Mátyás - Meng, Jin (Paleontologist) - Vasile, Ștefan, - Brusatte, Stephen - Norell, Mark A.
    Publication info: New York, NY, American Museum of Natural History, [2022]
    Holding Institution: American Museum of Natural History Library
  23. By: National Operations Center (U.S.). Information and Publishing Services Section. - United States. Bureau of Land Management. Division of Wildlife Conservation, Aquatics, and Environmental Protection.
    Publication info: Denver, Colo, U.S. Department of the Interior, Bureau of Land Management, National Operations Center, Information and Publishing Services Section, 2022
    Holding Institution: Bureau of Land Management
  24. By: National Operations Center (U.S.). Information and Publishing Services Section. - United States. Bureau of Land Management. Division of Wildlife Conservation, Aquatics, and Environmental Protection.
    Publication info: Denver, Colo, U.S. Department of the Interior, Bureau of Land Management, National Operations Center, Information and Publishing Services Section, 2022
    Holding Institution: Bureau of Land Management
  25. By: Katinas, Liliana - Apodaca, María José - Crisci, Jorge Victor
    Publication info: Washington, D.C Smithsonian Scholarly Press 2022
    Holding Institution: Smithsonian Institution Scholarly Press (SISP)
  26. By: Melo, Bruno F. - Stiassny, Melanie L. J.
    Publication info: New York, NY, American Museum of Natural History, [2022]
    Holding Institution: American Museum of Natural History Library
  27. By: Kelloff, Carol Lynn, - Redden, Karen M. - Wurdack, Kenneth John - Alexander, Sara N. (Sara Nazanin) - Smithsonian Institution Scholarly Press
    Publication info: Washington, D.C, Smithsonian Institution Scholarly Press, 2023
    Holding Institution: Smithsonian Institution Scholarly Press (SISP)
  28. By: Moreno-González, Jairo A. - Gutiérrez, Miguel - Prendini, Lorenzo
    Publication info: New York, NY, American Museum of Natural History, [2023]
    Holding Institution: American Museum of Natural History Library
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  1. By: Carter, Nellie,
    Type: Article
    In: Annals of botany
    Volume: 33
    Date: 1919-04
    Page Range: 215--254
    Publication Info: London, Academic Press [etc.],
  2. By: Mann, John G.
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 18
    Issue: 4
    Date: 1919-04-01
    Page Range: 297--298
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  3. By: Ross, J A
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 18
    Issue: 4
    Date: 1919-04-01
    Page Range: 285--288
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  4. Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 18
    Issue: 4
    Date: 1919-04-01
    Page Range: 303--303
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  5. By: Roberts, Austin
    Type: Article
    In: Annals of the Transvaal Museum
    Volume: 6
    Issue: 3
    Date: 1919-04-01
    Page Range: 116--118
    Publication Info: Pretoria, Transvaal Museum, [1911]-2009
  6. By: Chisholm, J. R.
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 18
    Issue: 4
    Date: 1919-04-01
    Page Range: 307--307
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  7. By: Dove, H. Stuart
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 18
    Issue: 4
    Date: 1919-04-01
    Page Range: 302--303
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  8. By: Twiss, Wilfred Charles
    Type: Article
    In: American journal of botany
    Volume: 6
    Issue: 6
    Date: 1919-06
    Page Range: 217--234
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  9. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 7
    Date: 1919-06-05
    Page Range: 28--28
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  10. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 7
    Date: 1919-06-05
    Page Range: 28--28
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  11. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 8
    Date: 1919-06-12
    Page Range: 31--32
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  12. By: Harper, Robert Almer,
    Type: Article
    In: American journal of botany
    Volume: 6
    Issue: 7
    Date: 1919-07
    Page Range: 273--300
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  13. By: Dey, P. K.
    Type: Article
    In: Annals of botany
    Volume: 33
    Date: 1919-07
    Page Range: 305--312
    Publication Info: London, Academic Press [etc.],
  14. By: Carter, Nellie,
    Type: Article
    In: Annals of botany
    Volume: 33
    Date: 1919-07
    Page Range: 295--304
    Publication Info: London, Academic Press [etc.],
  15. Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 20
    Issue: 235
    Date: 1919-07
    Page Range: 143--144
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  16. By: Lopes, Maria José Nascimento
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
    Issue: 1
    Date: 1919-07-01
    Page Range: 56--56
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  17. By: Le Souef, William Henry Dudley
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
    Issue: 1
    Date: 1919-07-01
    Page Range: 56--56
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  18. By: Morse, F C
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 19
    Issue: 1
    Date: 1919-07-01
    Page Range: 68--68
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  19. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 12
    Date: 1919-07-17
    Page Range: 46--46
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  20. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 12
    Date: 1919-07-17
    Page Range: 47--47
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  21. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 12
    Date: 1919-07-17
    Page Range: 45--45
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  22. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 13
    Date: 1919-07-26
    Page Range: 52--52
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  23. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 13
    Date: 1919-07-26
    Page Range: 51--51
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  24. By: Green, Wyman Reed,
    Type: Article
    In: The Biological bulletin
    Volume: 37
    Date: 1919-08-01
    Page Range: 49--95
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  25. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1919-08-31
  26. By: Barnhart, John Hendley,
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 20
    Issue: 237
    Date: 1919-09
    Page Range: 171--181
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  27. By: Kasai, Katsuya
    Type: Article
    In: The Journal of parasitology
    Volume: 6
    Issue: 1
    Date: 1919-09
    Page Range: 1--10
    Publication Info: Chicago [etc.],
  28. By: Osborn, T G B
    Type: Article
    In: Annals of botany
    Volume: 33
    Date: 1919-10
    Page Range: 485--516
    Publication Info: London, Academic Press [etc.],
  29. By: Arber, Agnes Robertson,
    Type: Article
    In: Annals of botany
    Volume: 33
    Date: 1919-10
    Page Range: 459--465
    Publication Info: London, Academic Press [etc.],
  30. By: Steinberg, R A
    Type: Article
    In: American journal of botany
    Volume: 6
    Issue: 8
    Date: 1919-10
    Page Range: 330--356
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  31. By: Sprague, A. C.,
    Type: Correspondence
    In: Walter Deane correspondence. Senders A-Z
    Date: 1919-10-12
  32. By: Sprague, A. C.,
    Type: Correspondence
    In: Walter Deane correspondence. Senders A-Z
    Date: 1919-10-18
  33. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1919-10-22
  34. By: Sprague, A. C.,
    Type: Correspondence
    In: Walter Deane correspondence. Senders A-Z
    Date: 1919-10-27
  35. Type: Article
    In: Bulletin of popular information - Arnold Arboretum, Harvard University
    Volume: 5
    Series: 2
    Issue: 16
    Date: 1919-10-30
    Page Range: 62--62
    Publication Info: Jamaica Plain, Mass. [etc.], Arnold Arboretum,
  36. By: Britton, Nathaniel Lord,
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 20
    Issue: 239
    Date: 1919-11
    Page Range: 220--220
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  37. By: Rusby, Henry Hurd,
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 20
    Issue: 239
    Date: 1919-11
    Page Range: 211--216
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-
  38. By: Steinberg, R A
    Type: Article
    In: American journal of botany
    Volume: 6
    Issue: 9
    Date: 1919-11
    Page Range: 357--372
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  39. By: Schlechter, Rudolf,
    Type: Correspondence
    In: Oakes Ames Orchid Herbarium correspondence files
    Date: 1919-11-30
  40. By: Darling, S. T.
    Type: Article
    In: The Journal of parasitology
    Volume: 6
    Issue: 2
    Date: 1919-12
    Page Range: 98--101
    Publication Info: Chicago [etc.],
  41. By: Saunders, William Edwin,
    Type: Article
    In: The Canadian field-naturalist
    Volume: 33
    Issue: 6
    Date: 1919-12
    Page Range: 118--118
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  42. By: Suksdorf, Wilhelm,
    Type: Correspondence
    In: Walter Deane correspondence. Senders A-Z
    Date: 1919-12-22
  43. By: Hitchcock, A. S. (Albert Spear), - Gleason, Henry A. (Henry Allan),
    Type: List
    In: Plant lists : British Guiana
    Date: 1919-1920
    Publication Info: [1919-1923]
  44. By: Bavay, Arthur,
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 26
    Issue: 7
    Date: 1920
    Page Range: 638--639
    Publication Info: Paris Imprimerie nationale 1907-1971
  45. By: Daniel, Franz - Pfeiffer, Ernst
    Type: Article
    In: Mitteilungen der Münchner Entomologischen Gesellschaft
    Volume: 10
    Date: 1920
    Page Range: 35--43
    Publication Info: München, Münchner Entomologische Gesellschaft,
  46. Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 78--84
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  47. By: Edwards, F W
    Type: Article
    In: The Annals and magazine of natural history; zoology, botany, and geology
    Volume: 6
    Series: 9
    Date: 1920
    Page Range: 365--368
    Publication Info: London Taylor and Francis, Ltd
  48. By: Mosely, Martin E. (Martin Ephraim),
    Type: Article
    In: Transactions of the Entomological Society of London
    Volume: 67
    Date: 1920
    Page Range: 393--397
    Publication Info: London, The Society,
  49. By: Dixey, Frederick Augustus
    Type: Article
    In: Transactions of the Entomological Society of London
    Volume: 67
    Date: 1920
    Page Range: 383--390
    Publication Info: London, The Society,
  50. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 43--49
    Publication Info: [S.l s.n 1905]-
  51. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 101--108
    Publication Info: [S.l s.n 1905]-
  52. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 219--224
    Publication Info: [S.l s.n 1905]-
  53. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 143--153
    Publication Info: [S.l s.n 1905]-
  54. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 166--176
    Publication Info: [S.l s.n 1905]-
  55. By: Stauder, Hermann
    Type: Article
    In: Zeitschrift für wissenschaftliche Insektenbiologie
    Volume: 16
    Date: 1920
    Page Range: 16--23
    Publication Info: [S.l s.n 1905]-
  56. By: Mackenzie, Kenneth K. (Kenneth Kent),
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 157--165
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  57. By: Thomas, Oldfield,
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 26
    Date: 1920
    Page Range: 933--940
    Publication Info: Bombay Bombay Natural History Society 1886-
  58. By: Thomas, Oldfield,
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 27
    Date: 1920
    Page Range: 25--25
    Publication Info: Bombay Bombay Natural History Society 1886-
  59. By: Thomas, Oldfield,
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 27
    Date: 1920
    Page Range: 248--249
    Publication Info: Bombay Bombay Natural History Society 1886-
  60. By: Fernald, Merritt Lyndon,
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 55--56
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  61. By: Pennell, Francis W. (Francis Whittier),
    Type: Article
    In: Proceedings of the Academy of Natural Sciences of Philadelphia
    Volume: 72
    Date: 1920
    Page Range: 136--188
    Publication Info: Philadelphia, Academy of Natural Sciences of Philadelphia,
  62. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 170--170
    Publication Info: Paris, La Société, 1854-1978
  63. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 89--89
    Publication Info: Paris, La Société, 1854-1978
  64. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 326--326
    Publication Info: Paris, La Société, 1854-1978
  65. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 128--128
    Publication Info: Paris, La Société, 1854-1978
  66. By: Bois, D. (Désiré),
    Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 34--35
    Publication Info: Paris, La Société, 1854-1978
  67. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 208--208
    Publication Info: Paris, La Société, 1854-1978
  68. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 121--121
    Publication Info: Paris, La Société, 1854-1978
  69. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 345--345
    Publication Info: Paris, La Société, 1854-1978
  70. Type: Article
    In: Bulletin de la Société botanique de France
    Volume: 67
    Date: 1920
    Page Range: 233--233
    Publication Info: Paris, La Société, 1854-1978
  71. By: McAtee, W. L. (Waldo Lee)
    Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 341--344
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  72. By: Jackson, Hartley H. T. (Hartley Harrad Thompson),
    Type: Article
    In: Journal of mammalogy
    Volume: 1
    Date: 1920
    Page Range: 199--200
    Publication Info: Baltimore, Md, American Society of Mammalogists,
  73. By: Dyar, Harrison G. (Harrison Gray),
    Type: Article
    In: Insecutor inscitiae menstruus
    Volume: 8
    Date: 1920
    Page Range: 27--29
    Publication Info: Washington, D.C, [Harrison G. Dyar], 1913-1926
  74. By: Thaxter, Roland,
    Type: Article
    In: Botanical gazette
    Volume: 69
    Issue: 1
    Date: 1920
    Page Range: 1--27
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  75. By: Knowlton, Clarence Hinckley, - Ripley, Winfield Scott, Jr., - Weatherby, Charles Alfred,
    Type: Article
    In: Rhodora
    Volume: 22
    Date: 1920
    Page Range: 80--89
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]
  76. By: Langdon, LaDema Mary,
    Type: Article
    In: Botanical gazette
    Volume: 70
    Issue: 1
    Date: 1920
    Page Range: 82--84
    Publication Info: Hanover, Ind, [publisher not identified], 1876-1991
  77. By: Grinnell, Joseph,
    Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 84--88
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  78. By: Hansen, H J
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 26
    Issue: 6
    Date: 1920
    Page Range: 477--483
    Publication Info: Paris Imprimerie nationale 1907-1971
  79. By: Davis, William T. (William Thompson),
    Type: Article
    In: Bulletin of the Brooklyn Entomological Society
    Volume: 15
    Series: new
    Date: 1920
    Page Range: 17--18
    Publication Info: Brooklyn, N.Y, The Society,
  80. Type: Article
    In: The Auk
    Volume: 37
    Date: 1920
    Page Range: 439--449
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  81. By: Clapp, William F.
    Type: Article
    In: The Nautilus
    Volume: 33
    Date: 1920
    Page Range: 83--89
    Publication Info: Melbourne, Fla., etc American Malacologists, inc., etc
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  191. By: Calvert, Philip Powell,
    Type: Article
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  192. By: Skogsberg, Tage
    Type: Article
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  196. By: Swarth, Harry S. (Harry Schelwald),
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  202. By: Allen, Marion E
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  203. By: Wall, Frank,
    Type: Article
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  204. By: Pellegrin, Jacques,
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  206. By: Neuville, Henri
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  208. By: Dçbski, Bronislaw
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  209. Type: Article
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    In: Bulletin de la Société botanique de France
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  211. By: Guilliermond, Alexandre,
    Type: Article
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    Publication Info: Paris, La Société, 1854-1978
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  217. By: Brolemann, Henry Wilfred,
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  218. Type: Article
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  224. By: Grende, E
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  227. By: Shull, Charles A. (Charles Albert),
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  229. By: Folsom, Justus Watson,
    Type: Article
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  230. By: Oberholser, Harry C. (Harry Church),
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  231. By: Blanchard, Frank Nelson,
    Type: Article
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  232. By: Malloch, John Russell,
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  233. By: Ransom, Brayton Howard,
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  236. By: Spratt, Amy Vera
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  237. By: Campbell, Douglas Houghton,
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  238. By: Campbell, Archibald James
    Type: Article
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    Type: Article
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  244. By: Schlechter, Rudolf,
    Type: Correspondence
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    Type: Article
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    Volume: 7
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    Type: Correspondence
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  248. By: Murrill, William A.,
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    Volume: 21
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    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  250. By: Yampolsky, Cecil
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    Volume: 7
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    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
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