Add to ORKGSenecio megacephalus Nutt.séneçon à grands capituleslarge-flowered ragwortLocality, associated species and coordinates withheld (rare); contact the University of Lethbridge Herbarium (bain@uleth.ca) for more information.T. ChisholmN.E. facing grassy slope intersepersed with rocks; Arctostaphylos uva-ursi and Juniperus horizontalis as groundcover1788Locality, associated species and coordinates withheld (rare); contact the University of Lethbridge Herbarium (bain@uleth.ca) for more information.>2