Helianthus pauciflorus Nutt. ssp. subrhomboideus (Rydb.) O. Spring & E. Schilling
Nutt.
Found in 24 states
Species data compiled from the USDA PLANTS Database and other open botanical data sources. Images used under Creative Commons or equivalent licenses. Distribution data from USDA state-level records.
Find cultivated varieties related to Stiff Sunflower