. "*Helenium macranthum (Rydb.)" . . "*Helenium montanum (Nutt.)" . "*Helenium parviflorum (Nutt.)" . . . . "*Heleniastrum autumnale (L.) Kuntze)" . . "Helenium autumnale is a North American species of flowering plants in the sunflower family. Common names include common sneezeweed and large-flowered sneezeweed."@en . . . "*Helenium canaliculatum (Lam.)" . . . . "*Helenium latifolium (Mill.)" .