The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • 2000. database, The PLANTS Database
  • 2011. Germplasm Resources Information Network (GRIN)
  • CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.
  • Killeen, T. J., E. García Estigarribia & S. G. Beck. (eds.) 1993. Guía Árb. Bolivia 1–958. Herbario Nacional de Bolivia & Missouri Botanical Garden, Edit. Quipus srl., La Paz.
  • Marticorena C & R Rodríguez . 1995-2005. Flora de Chile. Vols 1, 2(1-3). Ed. Universidad de Concepción, Concepción. 351 pp., 99 pp., 93 pp., 128 pp. Matthei O. 1995. Manual de las malezas que crecen en Chile. Alfabeta Impresores. 545 p.
  • Nasir, E. & S. I. Ali (eds). 1980-2005. Fl. Pakistan Univ. of Karachi, Karachi.
  • Orrell T. (custodian) (2015). ITIS Regional: The Integrated Taxonomic Information System (version Dec 2014). In: Species 2000 & ITIS Catalogue of Life, 26th August 2015 (Roskov Y., Abucay L., Orrell T., Nicolson D., Kunze T., Flann C., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., eds). Digital resource at Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-8858.
  • Sp. Pl. 4(2): 994. 1806. (Sp. Pl.)
  • Species Plantarum 2: 1043. 1753. (1 May 1753) (Sp. Pl.)
  • Ulmaceae and Cannabaceae of North America Update


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