Aridity drives plant biogeographical sub regions in the Caatinga, the largest tropical dry forest and woodland block in South America

• Augusto C. Silva ,

  Contributed equally to this work with: Augusto C. Silva, Alexandre F. Souza

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: agst.25@gmail.com

  Affiliation Programa de Pós-Graduação em Ecologia, CB, Universidade Federal do Rio Grande do Norte, Campus Universitário, Lagoa Nova, Natal, Rio Grande do Norte, Brazil

  http://orcid.org/0000-0003-1486-3897

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• Alexandre F. Souza

  Contributed equally to this work with: Augusto C. Silva, Alexandre F. Souza

  Roles Conceptualization, Data curation, Investigation, Methodology, Project administration, Supervision, Visualization, Writing – review & editing

  Affiliation Departamento de Ecologia, CB, Universidade Federal do Rio Grande do Norte, Campus Universitário, Lagoa Nova, Natal, Rio Grande do Norte, Brazil

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