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  1. By: Wetmore, Alexander,
    Publication info: 1920-1921
    Holding Institution: Smithsonian Institution Archives
    Subjects: Argentina  Correspondence  Field notes  migratory birds  Ornithology  Receipts (financial records)  San Martin  South America  Tucuman  United States Dept. of Agriculture  
    BHL Collections: Smithsonian Field Books collection
  2. By: Whitford, Harry Nichols
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Central America  Field notes  Forests and forestry  South America  Whitford, Harry Nichols  
  3. By: Whittle, K.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: anatomy and morphology  Colombia  crop damage  Cydia  cydia fabivora  Geographical distribution  Larvae  Phaseolus  South America  
  4. By: Whittle, K. - Norrbom, Allen
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Anastrepha  Anastrepha grandis  anatomy and morphology  Biological Sciences  Cucurbitaceae  Geographical distribution  Larvae  South America  Terminology  
  5. By: Wilkes, Charles,
    Edition: Condensed and abridged [ed.].
    Publication info: London, Whittaker, [1845]
    Holding Institution: University of California Libraries
    Subjects: (1838-1842)  Antarctica  Description and travel  Discovery and exploration  Hawaii  Oceania  Oregon  South America  United States Exploring Expedition  
  6. By: Wilkes, Charles,
    Publication info: Philadelphia, Lea and Blanchard, 1845, c1844
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: (1838-1842)  American  Antarctica  Description and travel  Discovery and exploration  Hawaii  Oceania  Oregon  Scientific Expeditions  South America  United States  United States Exploring Expedition  Voyages around the world  
  7. By: Wilkes, Charles,
    Publication info: Philadelphia, 1849
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: (1838-1842)  Antarctica  Description and travel  Discovery and exploration  Hawaii  Oceania  Oregon  South America  United States Exploring Expedition  
  8. By: Wilkes, Charles,
    Publication info: London, Whittaker, [1845]
    Holding Institution: National Library Board, Singapore
    Subjects: (1838-1842)  Antarctica  Hawaii  Oceania  Oregon  South America  United States Exploring Expedition  
    BHL Collections: BHL Singapore
  9. By: Wilkes, Charles,
    Publication info: Philadelphia, Lea & Blanchard, 1845.
    Holding Institution: Smithsonian Libraries and Archives
    Subjects: (1838-1842)  Antarctica  Description and travel  Discovery and exploration  Hawaii  Oceania  Oregon  South America  United States Exploring Expedition  
  10. By: Willey, Henry, - Tuckerman, Edward,
    Publication info: [After 1888]
    Holding Institution: Harvard University Botany Libraries
    Subjects: (1871-1872)  Hassler Expedition  Lichens  South America  
    BHL Collections: BHL Field Notes Project
  11. By: Williams, Francis Xavier,
    Holding Institution: California Academy of Sciences
    Subjects: (1905-1906)  1882-1967  Archives  California Academy of Sciences  Classification  Collection and preservation  Entomology  Expedition of the California Academy of Sciences t  Field notes  Fieldwork  Galapagos Islands  Identification  Insects  Scientific Expeditions  South America  Williams, Francis Xavier,  
  12. By: Winterbottom, Richard, - Royal Ontario Museum.
    Publication info: Toronto, Royal Ontario Museum, 1980
    Holding Institution: University of Toronto - Royal Ontario Museum Library & Archives
    Subjects: Fishes  South America  
  13. By: Woodhouse, Samuel Washington
    Publication info: 1853
    Holding Institution: Academy of Natural Sciences of Drexel University, Library and Archives
    Subjects: Arizona  California  Colorado  Expedition  Field notes  Honduras  military  New Mexico  Nicaragua  South America  topography  Travel  westward expansion  
  14. By: Zimmer, John T. (John Todd),
    Publication info: New York, N.Y, American Museum of Natural History, [1955]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6T  Birds  Classification  Flycatchers  Latin America  South America  Tyrannidae  
  15. By: Zimmer, John T. (John Todd),
    Publication info: New York American Museum of Natural History [1950]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.9T(85)  Birds  Classification  Hummingbirds  Peru  South America
  16. By: Zimmer, John T. (John Todd),
    Publication info: New York, American Museum of Natural History, [1953]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,9A(85)  Birds  Classification  Peru  South America  Swifts
  17. By: Zimmer, John T. (John Todd),
    Publication info: New York, American Museum of Natural History, [1953]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,1(85)  Birds  Classification  Jays  Peru  Pipits  South America
  18. By: Zimmer, John T. (John Todd),
    Publication info: New York, American Museum of Natural History, [1950]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.9T(85)  Amazilia  Birds  Classification  Hummingbirds  Leucippus  Peru  Polytmus  South America
  19. By: Zimmer, John T. (John Todd),
    Publication info: New York American Museum of Natural History [1950]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.9T(85)  Birds  Classification  Hummingbirds  Peru  South America
  20. By: Zimmer, John T. (John Todd),
    Publication info: New York, American Museum of Natural History, [1950]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.9T(85)  Birds  Classification  Hummingbirds  Peru  South America
  21. By: Zimmer, John T. (John Todd),
    Publication info: New York, American Museum of Natural History, [1953]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,9T(85)  Birds  Classification  Hummingbirds  Peru  South America
  22. By: Zimmer, John T. (John Todd),
    Publication info: New York, American Museum of Natural History, [1952]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,9T(85)  Birds  Classification  Hummingbirds  Peru  South America
  23. By: Zimmer, John T. (John Todd),
    Publication info: New York, N.Y, American Museum of Natural History, [1955]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.1H(85)  Birds  Classification  Peru  South America  Swallows
  24. By: Zimmer, John T. (John Todd),
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,9T(85)  Birds  Classification  Hummingbirds  Peru  South America
  25. By: Zimmer, John T. (John Todd),
    Publication info: New York, American Museum of Natural History, [1951]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,9T(85)  Birds  Classification  Hummingbirds  Peru  South America
  26. By: Zimmer, John T. (John Todd),
    Publication info: New York American Museum of Natural History [1950]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.9T(85)  Birds  Classification  Hummingbirds  Peru  South America
  27. By: Zimmer, John T. (John Todd),
    Publication info: New York American Museum of Natural History [1949]
    Holding Institution: American Museum of Natural History Library
    Subjects: Birds  Catamblyrhynchus  Classification  Peru  South America  Wood warblers
  28. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1947]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.1T(85)  Birds  Classification  Fringillidae  Peru  South America  Tanagers
  29. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1945]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.1T(85)  Birds  Classification  Fringillidae  Peru  South America  Tanagers
  30. By: Zimmer, John T. (John Todd),
    Publication info: New York, American Museum of Natural History, [1948]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.87,3T(85)  Birds  Classification  Peru  South America  Trogons
  31. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1944]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.1T(85)  Birds  Classification  Fringillidae  Peru  South America
  32. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1943]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,1T(85)  Birds  Classification  Peru  South America  Tangara
  33. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1943]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,1T(85)  Birds  Classification  Peru  South America  Tangara
  34. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1943]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,1(85)  Birds  Classification  Fringillidae  Peru  South America
  35. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1947]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88.1T(85)  Birds  Classification  Fringillidae  Peru  South America  Tanagers
  36. By: Zimmer, John T. (John Todd),
    Publication info: New York City, The American Museum of Natural History, [1944]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.88,6(85)  Birds  Classification  Frederickena  Ochthoeca  Peru  South America
  37. By: Zuloaga, Fernando O. - Morrone, Osvaldo - Missouri Botanical Garden.
    Publication info: St. Louis, Missouri, U.S.A, Missouri Botanical Garden, 2005
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: Classification  Gramineae  Identification  Paspalum  Plants  South America
    BHL Collections: Publicaciones en Español
  38. By: Zweifel, Richard George, - Myers, Charles W.
    Publication info: New York, American Museum of Natural History, c1989
    Holding Institution: American Museum of Natural History Library
    Subjects: Amphibians  Classification  Ctenophyrne  South America  
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  1. By: Thatcher, Vernon E. (Vernon Everett), - Brasil-Sato, Marília de Carvalho
    Type: Article
    In: Revista Brasileira de Zoologia
    Date: 2008-09-01
    Subjects: Copepod parasite  crustacean parasite  freshwater fish  São Francisco River basin  South America  
  2. By: Thatcher, Vernon E. (Vernon Everett), - Oliveira, Antonio A. N. de - Garcia, Adriana Mello
    Type: Article
    In: Zoologia (Curitiba)
    Date: 2009-03-01
    Subjects: Cymothoid  freshwater fish parasite  South America  
  3. By: Tomassi, Henrique Zimmermann - Almeida, C. M. - Ferreira, BC. - Brito, M. B. - Barberi, M. - Rodrigues, GC. - Teixeira, S. P. - Capuzzo, Juliana Pfrimer - Gama-Júnior, J. M. - Santos, M. G. K. G.
    Type: Article
    In: Instituto Internacional de Ecologia
    Date: 2015-08-01
    Publication Info: Instituto Internacional de Ecologia
    Subjects: Cretaceous  Devonian  mitigation paleontology  Silurian  South America  Southern Hemisphere  
  4. By: Torres-Carvajal, Omar
    Type: Article
    In: NeoBiota
    Volume: 27
    Date: 2015
    Page Range: 69-79
    Publication Info: Pensoft Publishers 2015
    Subjects: Galapagos  Gekkonidae  Hemidactylus  invasive species  South America  
  5. By: Ulibarri, Emilio A.
    Type: Article
    In: Darwiniana
    Date: 2008-07-01
    Subjects: Caesalpinioideae  Distribution  Leguminosae  Morphology  South America  taxonomy  Utilization  
  6. By: Valdespino, Iván A.
    Type: Article
    In: PhytoKeys
    Volume: 159
    Date: 2020
    Page Range: 71--113
    Publication Info: Pensoft Publishers 2020
    Subjects: Escudo guyanés  esporófilos  estróbilos  Guiana Highlands  heteromórficas  heteromorphic  New World  non-articulate stems  Nuevo Mundo  South America  sporophylls  strobili  Sudamérica  tallos no articulados
  7. By: Vargas, Héctor A.
    Type: Article
    In: ZooKeys
    Volume: 1195
    Date: 2024
    Page Range: 131--138
    Publication Info: Pensoft Publishers 2024
    Subjects: Arid environments  DNA barcoding  oligophagy  phytophagous larvae  South America
  8. By: Vari, Richard P. - Ferraris, Carl J. - Pinna, Mário C. C. de
    Type: Article
    In: Neotropical Ichthyology
    Date: 2005-06-01
    Subjects: Cetopsidium  Cetopsis  Denticetopsis  new species  Paracetopsis  South America  
  9. By: Vaz, Stephanie - Mendes, Mariana - Khattar, Gabriel - Macedo, Margarete Valverde de - Ronquillo, Cristina - Zarzo-Arias, Alejandra - Hortal, Joaquín - Silveira, Luiz
    Type: Article
    In: Biodiversity data journal
    Volume: 11
    Date: 2023-3-23
    Page Range: e101000--
    Publication Info: Sofia Pensoft Publishers [2013]-
    Subjects: dataset  endemism  Neotropics  rainforest  South America  species occurrences
  10. By: Velásquez, Yelitza - Martínez Sánchez, Ana Isabel - Thomas, Arianna - Rojo, Santos
    Type: Article
    In: ZooKeys
    Volume: 645
    Date: 2017
    Page Range: 103-132
    Publication Info: Pensoft Publishers 2017
    Subjects: Calliphorids  diversity  Neotropical region  South America  
  11. By: Vélez-Sampedro, Verónica - Uruburu, Mónica - Lenis, Carolina
    Type: Article
    In: ZooKeys
    Volume: 1115
    Date: 2022
    Page Range: 169--186
    Publication Info: Pensoft Publishers 2022
    Subjects: Blue mojarra  Cauca molly  Oligogonotylus  South America  taxonomy  Trematoda
  12. By: Vicente, Joaquim Júlio - Vrcibradic, Davor - Muniz-Pereira, Luís Cláudio - Pinto, Roberto Magalhães
    Type: Article
    In: Revista Brasileira de Zoologia
    Date: 2000-06-01
    Subjects: lizard  Nematodes  new combination  new species  Skrjabinodon  South America  Thelandros  
  13. By: Villegas-Luján, Renato - Plowes, Robert - Gilbert, Lawrence E. - Rodríguez, Julio Cesar - Canales-del-Castillo, Ricardo - Gallegos Morales, Gabriel - Espana-Luna, M. Patricia - Fernandez-Triana, Jose - Sánchez-Peña, Sergio R.
    Type: Article
    In: Journal of Hymenoptera research
    Volume: 97
    Date: 2024
    Page Range: 207--228
    Publication Info: Washington, D.C International Society of Hymenopterists
    Subjects: Agriculture  Biological control  Ecosystem  invasive insect  North America  Opuntia  South America
  14. By: Volkmer-Ribeiro, Cecilia, - Machado, Vanessa de Souza
    Type: Article
    In: Iheringia. Série Zoologia
    Date: 2007-06-01
    Subjects: Freshwater sponges  indicator species  paleo-reconstructions  sandy coastal environments  South America  
  15. By: Werneke, David C. - Armbruster, Jonathan W. - Lujan, Nathan K. - Taphorn, Donald C. (Donald Charles),
    Type: Article
    In: Neotropical Ichthyology
    Date: 2005-12-01
    Subjects: Ancistrini  Hypostominae  South America  systematics  
  16. By: Werneke, David C. - Sabaj, Mark H. - Lujan, Nathan K. - Armbruster, Jonathan W.
    Type: Article
    In: Neotropical Ichthyology
    Date: 2005-12-01
    Subjects: Ancistrini  catfish  Hypostominae  Neotropics  South America  
  17. By: Wheeler, Gerald A.
    Type: Article
    In: Darwiniana
    Date: 2007-12-01
    Subjects: Carex  Ceratocystis  Cyperaceae  South America  taxonomy  
  18. By: Wilf, Peter
    Type: Article
    In: PhytoKeys
    Volume: 139
    Date: 2020
    Page Range: 77--89
    Publication Info: Pensoft Publishers 2020
    Subjects: Gondwana  Laguna del Hunco  Poaceae  Podocarpaceae  Retrophyllum  South America
  19. By: Will, Kipling W.
    Type: Article
    In: Deutsche entomologische Zeitschrift
    Volume: 67
    Date: 2020
    Page Range: 151--182
    Publication Info: Berlin Nicolai'sche Verlags-Buchandlung 1881-
    Subjects: Australia  elytral striae homology  Gondwanan distribution  Ground beetles  South America
  20. By: Xu, Xiaodan - Zheng, Wei - Funk, V. A. (Vicki Ann), - Li, Kixin - Zhang, Jie - Wen, Jun
    Type: Article
    In: PhytoKeys
    Volume: 96
    Date: 2018
    Page Range: 1-19
    Publication Info: Pensoft Publishers 2018
    Subjects: Africa  Asia  Compositae  Gerbera-complex  Oreoseris  Pollen  SEM  South America  Stomata  Uechtritzia  
  21. By: Xu, Xiaodan - Zheng, Wei - Funk, V. A. (Vicki Ann), - Wen, Jun
    Type: Article
    In: PhytoKeys
    Volume: 95
    Date: 2018
    Page Range: 93-106
    Publication Info: Pensoft Publishers 2018
    Subjects: Africa  Asia  Chaptalia hieracioides  Compositae  Gerbera hieracioides  Gerbera-complex  SEM  South America  Stomata  Trichocline hieracioides  
  22. By: Yuan, Nicolás Naveda - Stalling, Thomas
    Type: Article
    In: Journal of orthoptera research : JOR
    Volume: 31
    Issue: 2
    Date: 2022-11-1
    Page Range: 197--200
    Publication Info: Philadelphia, Penn Orthopterists' Society 1992-
    Subjects: Ants  Faunistics  first record  myrmecophiles  Neotropics  South America
  23. By: Zaher, Hussam - Grazziotin, Felipe G. - Cadle, John E. - Murphy, Robert W. (Robert Ward), - Moura-Leite, Júlio César de - Bonatto, Sandro L.
    Type: Article
    In: Papéis Avulsos de Zoologia (São Paulo)
    Date: 2009-01-01
    Subjects: Caenophidia  Classification  Colubridae  Colubroidea  Dipsadinae  Elapoidea  new genus  Phylogeny  Serpentes  South America  systematics  West Indies  Xenodontinae  
  24. By: Zanata, Angela Maria - Ohara, Willian M.
    Type: Article
    In: Neotropical Ichthyology
    Date: 2009-01-01
    Subjects: Neotropical fish  Small characid  South America  taxonomy  
  25. By: Zayas, Marcelo A. - Cordiviola, Elly
    Type: Article
    In: Gayana (Concepción)
    Date: 2007-01-01
    Subjects: Characidae  Conservation  Fish  South America  
  26. By: Zenker, Maurício Moraes - Specht, Alexandre - Fronza, Edegar - Poletto, Graziela - Marcon, Fernanda - Formentini, Aline C. - Gedoz, Mateus
    Type: Article
    In: Zoologia (Curitiba)
    Date: 2013-04-01
    Subjects: Atlantic forest  conservation biology  Developmental biology  forest entomology  Pinheiro-do-Paraná  South America  
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