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This section presents a comprehensive catalogue of chromosome numbers for exotic plant species found in Chile. These species, originating from America, Africa, Asia, Europe, and Oceania, exhibit pronounced invasive behaviour in the country and were identified using the Weed Risk Assessment (WRA) process. The species list was compiled from Fuentes et al. (2020), WRA scores were obtained from Fuentes et al. (2010), and chromosome numbers (2n and n) were assigned based on data from Tropicos (www.tropicos.org).
Three divisions 76 families 360 genera 683 species

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Pteridophyta

Pinophyta

Magnoliophyta

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Species name Geographic origin 2n WRA Others
Division: Pinophyta
   Pinaceae
Pinus contorta North America 18
Pinus pinaster Mediterranean Europe 24
Pinus radiata North America 24
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Last database update December 2021

– FUENTES, N., E. UGARTE, I. KUHN & S. KLOTZ. (2010) Alien plants in southern South America. A framework for evaluation and management of mutual risk of invasión between Chile and Argentina. Biological Invasions 12: 3227-3236.

– FUENTES, N., A. MARTICORENA, A. SALDAÑA, V. JEREZ, J. ORTIZ, P. VICTORIANO, R. MORENO, J. LARRAÍN, C. VILLASEÑOR-PARADA, G. PALFNER, P. SÁNCHEZ & A. PAUCHARD. (2020) Multi-taxa inventory of naturalized species in Chile. NeoBiota 60: 25-41.

– Missouri Botanical Garden. www.tropicos.org.

The database should be cited as follows:

The information provided in this database is intended exclusively for academic purposes. It may be consulted, cited, or referenced in scholarly work, provided appropriate credit is given to the authors. Any reproduction, distribution, or use of the data for financial gain is strictly prohibited.
Jara-Seguel P. & Urrutia-Estrada J.

Chilean Plants Cytogenetic Database 2025