Flora of the U.S.S.R.: Volume 26: Compositae: Tribes Anthemideae, Senecioneae and Calenduleae

摘要

The twenty-sixth volume includes descriptions of 53 genera and 680 numbered species based on a critical examination of materials of four tribes of the family Compositae. In this volume the vast majority of the specie belong to the tribes Anthemidaee and Senecioneae. The work on the Anthemideae in particular required much time and effort because of the complexity of its classification. As a result, about 15 new genera were established, making it possible to define precisely many hitherto poorly delimited genera. In the process nearly 100 new species were described. Considerable new information has also been added to the sysetematics of the genera belongings to the tribe Senecioneae.