[Members of the Sunflower Family with Discoid Flower Heads in the Cascade Mountains of Oregon and Washington]

Butterweeds and Groundsels with Discoid Flower Heads in the Cascade Mountains of Oregon and Washington

The Genus Packera

Rayless Alpine Butterweed, Rayless Alpine Groundsel: Packera pauciflora (Synonym: Senecio pauciflorus)

Rayless Alpine Butterweed: Packera pauciflora

Elegant Groundsel, Rayless Mountain Butterweed: Packera indecora (Synonym: Senecio indecorus)

Rayless Alpine Butterweed, Rayless Alpine Groundsel: Packera pauciflora (Synonym: Senecio pauciflorus)

Paul Slichter