Add to ORKGSenecio megacephalus Nuttalllarge-flowered ragwort;rocky ragwort;Nuttall's ragwort;large-headed groundselséneçon à grands capitulesSenecio megacephalusSofa Mountain, small cirque in middle of north facerocky valley floor and sides6200 feetNatural Areas Data Bank, Alberta Forestry Lands and Wildif