Vargas OM, Ortiz EM, Simpson BB. 2017. Conflicting phylogenomic signals reveal a pattern of reticulate evolution in a recent high-Andean diversification (Asteraceae: Astereae: Diplostephium). New Phytologist 214:1736–1750. doi: 10.1111/nph.14530 [pdf]

Avila F, Funk VA, Diazgranados M, Díaz-Piedrahíta S, Vargas OM. 2016. Asteraceae. in: Bernal R, Gradstein SR, Celis M, eds. Catálago de líquenes y plantas de Colombia v. 1. Bogotá, Colombia: Editorial Universidad Nacional de Colombia, 795–908.

Vargas OM, Madriñán S. 2012. Preliminary Phylogeny of Diplostephium (Asteraceae): Speciation Rate and Character Evolution. Lundellia 15: 1–15. [pdf]

Vargas OM. 2011. A nomenclator of Diplostephium (Asteraceae: Astereae): a list of species with their synonyms and distributions by country. Lundellia 14: 32–51. [pdf]

Vargas OM, Madriñán S. 2006. Clave para la indentificación de las especies de Diplostephium (Asteraceae, Astereae) en Colombia. Revista de la Academia Colombiana de Ciencias Exactas Físicas y Naturales 30(117): 489-494. [pdf]

Accepted and/or in press:

Vargas OM. Revisión del género Diplostephium (Asteraceae, Astereae) para Colombia. Flora de Colombia. Universidad Nacional de Colombia, Instituto de Ciencias Naturales, Bogota.

Brown JW, Parins-Fukuchi C, Stull GW, Vargas OM, Smith SA. Bayesian and likelihood phylogenetic reconstructions of morphological traits are not discordant when taking uncertainty into consideration. A comment on Puttick et al. Proceedings of the Royal Society B.


Vargas OM. Reinstatement of the genus Piofontia: a phylogenomic-based study reveals the biphyletic nature of Diplostephium (Asteraceae: Astereae). Systematic Botany.

Lundellia cover

Lundellia cover