| Parthenium alpinum ligulatum M.E.Jones, Contr. W. Bot. 13: 16 (1910) | Parthenium ligulatum (M.E.Jones) Barneby trib. Heliantheae |
| Parthenium alpinum ligulatum M.E.Jones, Contr. W. Bot. 13: 16 (1910) | Parthenium ligulatum (M.E.Jones) Barneby trib. Heliantheae |