- butterweed, ragwort, Senecio glabellus - American ragwort with yellow flowers
--1 is a kind of wildflower, wild flower
--1 is a member of Senecio, genus Senecio - butterweed - any of several yellow-flowered plants of the genus Packer; often placed in genus Senecio
--2 is a kind of herb, herbaceous plant
--2 is a member of Packera, genus Packera