Heterotheca marginata, the Sonora false goldenaster, is a rare North American species of flowering plant in the family Asteraceae. It grows in Arizona in the southwestern United States. It has been found in only three counties in the south-central part of the state: Maricopa, Pinal, and Gila.Biota of North America Program 2014 county distribution mapSEINet, Southwestern Biodiversity, Arizona chapter photos, distribution map, descriptionUniversity of Waterloo (Canada), Astereae Lab, Heterotheca marginata photos, drawings, distribution mapFlora of North America, Heterotheca marginata Semple, 1996.
References
External links Photo of herbarium specimen at Missouri Botanical Garden, collected in Maricopa County in 1993, isotype of Heterotheca marginata