Zandera
Zandera is a genus of annual plants in the family Asteraceae.
It is native to Mexico.
Species
There are 3 species accepted by Plants of the World Online;The genus name of Zandera is in honour of Robert Zander, a German botanist and horticulturist in Berlin.
It was first described and published in Haussknechtia, Mitt. Thüring. Bot. Ges. Vol.4 on page 32 in 1988.
It is noted as a possible synonym of Sigesbeckia by the United States Department of Agriculture and the Agricultural Research Service, but they do not list any known species.