The pre-Columbian introduction and dispersal of Algarrobo (<i>Prosopis</i>, Section Algarobia) in the Atacama Desert of northern Chile - Fig 2

<p>(A). The modern distribution of <i>Prosopis alba</i> (black dots) and <i>P</i>. <i>flexuosa</i> (red dots) section Algarobia in central South America (GBIF Secretariat: GBIF Backbone Taxonomy. doi:<a href="http://doi.org/10.15468/39omei" target="_blank">10.15468/39omei</a>. Accessed via <a href="http://www.gbif.org/species/5358452" target="_blank">http://www.gbif.org/species/5358452</a> on 2017-04-10; <a href="http://www.gbif.org/species/5358528" target="_blank">http://www.gbif.org/species/5358528</a> on 2017-04-10). Note the widespread distribution in NW Argentina, eastern Paraguay and southern Bolivia compared to the distribution in northern Chile. (B) Algarrobos growing in an oasis of the Atacama Desert (C) Archaeological and palaeoecological sites dated in this study, see also <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0181759#pone.0181759.s004" target="_blank">S3 Table</a> (1. Lluta 13; 2. Tiliviche 1B; 3. Guatacondo 4. Ramaditas; 5. Quebrada de Maní 6. Caleta Huelén 42; 7. Loa W3; 8. Loa River; 9. Salado River/El Sifón; 10. Salado River/Las Juntas; 11. Chiu Chiu 200; 12. Confluencia 1; 13. Confluencia 2; 14. Chiu Chiu Cementerio; 15. Calar 1; 16. Talabre Viejo; 17. Tarajne; 18. Vegas de Tilocalar; 19. Finca Chañaral).