About the genus of Tanacetum L. (Asteraceae) in the flora of Azerbaijan

Structure of the Tanacetum L. and Pyrethrum Zinn. genera in Azerbaijan has been critically revised. It was found that all of the Pyrethrum species were transformed to the Tanacetum genus, which is represented by 27 species belonging to 2 sections. A new key has been proposed to determine the Tanacetum species and they have been briefly reviewed