Silphium solidaginoides Linnaeus
Silphium solidaginoides Linnaeus is a synonym sensu TROPICOS of:
Heliopsis helianthoides (Linnaeus) Sweet var. helianthoides, an accepted variety name sensu FNA Ed. Comm., 2006c.
Silphium solidaginoides Linnaeus is a synonym sensu TROPICOS of:
Heliopsis helianthoides (Linnaeus) Sweet var. helianthoides, an accepted variety name sensu FNA Ed. Comm., 2006c.