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Cichorioideae

The Cichorioideae are a subfamily of the family Asteraceae of flowering plants. Familiar members of Cichorioideae include lettuce, dandelions, chicory and Gazania species. The subfamily comprises about 240 genera and about 2900 species. It is heterogeneous and hard to characterize except with molecular characters.

Taxonomy
The subfamily as understood in 1998 turned out to be paraphyletic, based on studies of DNA sequences, so a number of tribes were moved to new subfamilies. Names for the new subfamilies were published in 2002. Major works on Asteraceae were published in 2007 and 2009. These were the only comprehensive treatments of the family since 1994. In the 2007 book, Gundelia and Warionia were segregated from the tribe Cichorieae to form the tribe Gundelieae. Eremothamnus, Hoplophyllum, Heterolepis, and Platycarpha were placed incertae sedis in tribe Arctotideae, while Distephanus, Trichospira, Moquinia, and Pseudostifftia were placed in the tribe Vernonieae. Some of this classification was not supported by phylogenetic studies that came out later. Trichospira was placed in the Vernonieae, but its inclusion there is in doubt. ==Phylogeny==
Phylogeny
The following phylogeny is from Systematics, Evolution and Biogeography of the Compositae, except the tribe Gundelieae is recognized and the genus Trichospira is now included in Vernonieae. }} ==References==
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