Coreocarpus parthenioidesCoreocarpus parthenioides is a species of flowering plant in the family Asteraceae. It is found from northwest Mexico. It has 3 varieties: var. parthenioides, var. heterocarpus and var. ''involutus.''TaxonomyCoreocarpus parthenioides was first named and described in 1844 by George Bentham.Varieties, Plants of the World Online accepts 3 varieties of this taxon:Coreocarpus parthenioides var. parthenioidesCoreocarpus parthenioides var. heterocarpus Coreocarpus parthenioides var. ''involutus''