Eupatorium rugosum Houtt., Nat. Hist. 10: 558. 1779
Eupatorium rugosum, Nat. Hist. 10: 558. 1779
is new name for Eupatorium altissimum, Syst. Veg., ed. 13: 614. 1774
Eupatorium rugosum, Nat. Hist. 10: 558. 1779
Eupatorium rugosum, Nat. Hist. 10: 558. 1779
Taxon for this name