1. Barreda, Viviana Dora Palazzesi, Luis Tellería, María Cristina Olivero, Eduardo B. Raine, J. Ian Forest, Félix (2015): Data from: Early evolution of the angiosperm clade Asteraceae in the Cretaceous of Antarctica
Universidad Nacional de La Plata
http://sedici.unlp.edu.ar/handle/10915/105823