UNEP-WCMC. 12 December, 2012. UNEP-WCMC Species Database: CITES-Listed Species (http://www.cites.org/eng/resources/species.html)
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While recent phylogenetic studies (Korall et al. 2006, 2007) support recognition of four clades within family Cyatheaceae (Sphaeropteris, Alsophila, Gymnosphaera, and Cyathea), taxonomic nomenclature does not currently fully reflect these clades. Here all species are treated within genus Cyathea. However, combinations within Cyathea have not been published for some taxa; these taxa are placed in hierarchy under genus Cyathea but retain their most recently recognized combinations for the present
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ITIS taxonomy is based on the latest scientific consensus available,
and is provided as a general reference source for interested parties.
However, it is not a legal authority for statutory or regulatory purposes.
While every effort has been made to provide the most reliable and up-to-date
information available, ultimate legal requirements with respect to species
are contained in provisions of treaties to which the United States is a
party, wildlife statutes, regulations, and any applicable notices that have
been published in the Federal Register. For further information on U.S.
legal requirements with respect to protected taxa, please contact the
U.S. Fish and Wildlife Service.