Stiff Sunflower (Helianthus pauciflorus) | View Observations
Helianthus pauciflorus, called the stiff sunflower is a North American plant species in the sunflower family. It is widespread across the Great Plains, the Rocky Mountains, and the Great Lakes regions, and naturalized in scattered locations in the eastern United States and in much of southern Canada (from Alberta to Nova Scotia).
Other Names: Armblütige Sonnenblume, Præriesolsikke, Подсолнечник Реснитчатый, Harpalium rigidum, Syysauringonkukka, Hélianthe Raide
Stiff Sunflower (Helianthus pauciflorus ssp. subrhomboideus) | View Observations
Helianthus pauciflorus subrhomboideus is a subspecies of plants with 71 observations
Other Names: Hélianthe Subrhomboïdal, Soikkoauringonkukka
Stiff Sunflower (Helianthus pauciflorus ssp. pauciflorus) | View Observations
Helianthus pauciflorus pauciflorus is a subspecies of plants with 24 observations
Other Names: Hélianthe Raide, Slunečnice Tuhá, Helianthus rigidus
