Xanthium strumarium var. canadense (Miller) Torrey & A. Gray
Xanthium strumarium var. canadense (Miller) Torrey & A. Gray is a synonym sensu FNA Ed. Comm., 2006c of:
Xanthium strumarium Linnaeus, an accepted species name sensu FNA Ed. Comm., 2006c.
Xanthium strumarium var. canadense (Miller) Torrey & A. Gray is a synonym sensu FNA Ed. Comm., 2006c of:
Xanthium strumarium Linnaeus, an accepted species name sensu FNA Ed. Comm., 2006c.