↑ Bogner, Josef; Johnson, Kirk R.; Kvacek, Zlatko; Upchurch, Garland R. Jr (2007). "New fossil leaves of Araceae from the Late Cretaceous and Paleogene of western North America". Zitteliana. 47: 133–147.
↑ Herrera, F.A.; Jaramillo, C.A.; Dilcher, D.L.; Wing, S.L.; Gómez-N, C. (2007). "Fossil Araceae from a Paleocene neotropical rainforest in Colombia". American Journal of Botany. 95 (12): 1569–1583. doi:10.3732/ajb.0800172. PMID21628164.
