[Members of the Sunflower Family with Discoid Flower Heads Found West of the Cascade Mountains]
Butterweeds, Groundsel and Ragworts West of the Cascade Mountains of Oregon and Washington

The Genus Senecio

 

 

Rayless Groundsel: Senecio aronicoides -

Alkali Marsh Butterweed, Alkali Marsh Ragwort, Water Groundsel, Water Ragwort: Senecio hydrophilus -

Woodland Groundsel, Woodland Ragwort, Wood Groundsel: Senecio sylvaticus -

Old Man-in-the-Spring, Common Groundsel: Senecio vulgaris -

Paul Slichter E-mail