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↑ 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.
↑ "The resources which have been built up for aroid research at the Missouri Botanical Garden include one of the largest living collections of aroids and the largest collection of herbarium specimens of neotropical aroids. The living and dried collections include a large percentage of Croat's more than 80,000 personal collections". (Croat Thomas B (1998). “History and Current Status of Systematic Research with Araceae”. Aroideana 21. )
