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  1. Correspondence : Lemaire (Charles) and Engelmann (George), 1857-1869.
    By: Lemaire, Charles Antoine,
    Holding Institution: Missouri Botanical Garden, Peter H. Raven Library
    Subjects: 1794-1868  1801-1871  1801-1876  1806-1893  1807-1882  1809-1884  1817-1868  Botanical specimens  Brongniart, Adolphe,  Cactaceae  Candolle, Alphonse de,  Collectors and collecting  Correspondence  Cuba  Decaisne, Joseph,  Delessert, Benjamin,  Engelmann, George,  Havana  Lemaire, Charles Antoine,  Letters  Martius, Karl Friedrich Philipp von,  Species  Venezuela  
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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  2. De l'espèce et de la classification en zoologie /
    By: Agassiz, Louis,
    Edition: Éd. rev. et augm. /
    Publication info: Paris :G. Baillière,1869.
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Classification  Species  Zoology  
    BHL Collections: Charles Darwin's Library
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  3. Harmful non-indigenous species in the U.S. : hearings before the Committee on Governmental Affairs, United States Senate, One Hundred Third Congress, second session, March 11 and 15, 1994.
    By: United States. Committee on Governmental Affairs. - United States. Congress. Senate. Committee on Governmental Affairs.
    Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1994.
    Holding Institution: Boston Public Library (archive.org)
    Subjects: Agricultural pests  Control  Economic aspects  Government policy  Species  United States  
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  4. Is species a natural or artificial division in nature? a paper read before the Biological Section of the Hamilton Association, December 7th, 1888 /
    By: Moffat, J. Alston. - Hamilton Association. Biological Section.
    Publication info: Hamilton, Ont.? :s.n.,1888?
    Holding Institution: Canadiana.org (archive.org)
    Subjects: Species  Variation  Zoology  
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  5. The species problem; a symposium presented at the Atlanta meeting of the American Association for the Advancement of Science, December 28-29, 1955. Edited by Ernst Mayr.
    By: American Association for the Advancement of Science. - Mayr, Ernst,
    Publication info: Washington,1957.
    Holding Institution: MBLWHOI Library
    Subjects: Congresses  Species  
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  1. Certain aspects of the species question
    By: Greene, Edward Lee,
    Type: Article
    In: The American midland naturalist.
    Volume: 1909-10 v. 1
    Issue: 10
    Date: 1909-1910
    Page Range: 245-263
    Publication info: Notre Dame, Ind.,University of Notre Dame.
    Subjects: Evolution  Species  
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  2. DNA barcoding and traditional taxonomy unified through Integrative Taxonomy: a view that challenges the debate questioning both methodologies
    By: Pires,Amanda Ciprandi - Marinoni,Luciane
    Type: Article
    In: Biota Neotropica
    Date: 2010-06-01
    Subjects: Biodiversity  COI  Morphology  Species  taxonomic impediment  
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  3. The genus Artemia Leach, 1819 (Crustacea: Branchiopoda): I. True and false taxonomical descriptions
    By: Asem,Alireza - Rastegar-Pouyani, Nasrullah - De los Ríos-Escalante,Patricio
    Type: Article
    In: Latin american journal of aquatic research
    Date: 2010-01-01
    Subjects: Artemia  Morphology  saline lakes  Species  taxonomy  
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  4. The origin of species by means of natural drift
    By: MATURANA-ROMESIN,HUMBERTO - MPODOZIS,JORGE
    Type: Article
    In: Revista chilena de historia natural
    Date: 2000-06-01
    Subjects: Evolution  lineage  natural drift  Natural selection  organism  Species  
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  5. Parapentaneura bentogomensis Stur, Fittkau et Serrano (Diptera, Chironomidae, Tanypodinae) taken in Southeastern, Brazil: additional characters and modified generic diagnosis
    By: Oliveira,Caroline Silva Neubern de - Fonseca-Gessner,Alaíde Aparecida - Navarro-Silva,Mário Antônio
    Type: Article
    In: Biota Neotropica
    Date: 2010-06-01
    Subjects: new record  non-biting midges  redescription  Species  taxonomy  
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  6. Thrips (Insecta, Thysanoptera) of Iran: a revised and updated checklist
    By: Minaei, Kambiz
    Type: Article
    In: ZooKeys
    Volume: 330
    Date: 2013
    Page Range: 53-74
    Publication info: Pensoft Publishers 2013
    Subjects: Iran  list  Species  Thysanoptera  
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  7. Trends in research on terrestrial species of the order carnivora
    By: PÉREZ-IRINEO,Gabriela - SANTOS-MORENO,Antonio
    Type: Article
    In: Mastozoología neotropical
    Date: 2013-06-01
    Subjects: Articles published  Continents  Families  Species  
    View Article (External)
  8. Why biogeographical hypotheses need a well supported phylogenetic framework: a conceptual evaluation
    By: Santos,Charles Morphy D. - Amorim,Dalton S.
    Type: Article
    In: Papéis Avulsos de Zoologia (São Paulo)
    Date: 2007-01-01
    Subjects: Biogeography  Cladistics  Conservation  endemism  monophyly  Phylogeny  Species  
    View Article (External)