Senecio genus --- Aster Subfamily 4
Hall's ragwort (Senecio bigelovii var. hallii) -- in July -- Herman Gulch, Clear Creek County, CO yellow & orange
Hall's ragwort (Senecio bigelovii var. hallii) -- in July -- San Isabel National Forest, CO
Hall's ragwort (Senecio bigelovii var. hallii) -- in July -- Boreas Pass Road, Summit County, CO
bashful ragwort (Senecio pudicus) -- in July -- Cub Lake Trail, Rocky Mountain National Park, CO yellow & orange
open-woods ragwort (Senecio rapifolius) -- in August -- Twin Sisters Peak Trail, RMNP yellow & orange
open-woods ragwort (Senecio rapifolius) -- in July -- Lumpy Ridge Trail, RMNP, Larimer County, CO