Aposeris is a genus of flowering plants in the family Asteraceae.Cassini. 1827. Dictionnaire des Sciences Naturelles [Second edition] 48: 427 in FrenchTropicos, Aposeris Necker ex Cassini
There is only one known species, Aposeris foetida, widespread across much of Europe.Altervista Flora Italiana, Lattuga fetida, Aposeris foetida (L.) Less. includes photos and distribution map
The name was coined by Necker in 1790, but all names in that publication have been declared rejected. Therefore Cassini's 1827 usage is considered the validation of the name. Cassini did not, however, did not validly republish Necker's species name, so Lessing is credited with the formal recombination
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