Asteraceae | |
Eupatorium purpureum var. album
| Barratt | Class-book Bot. (ed. 2) 314 | 1847 |
Asteraceae | |
Eupatorium purpureum var. amoenum
| (Pursh) A. Gray | Syn. Fl. N. Amer. 1(pt.2): 96 | 1884 |
Asteraceae | |
Eupatorium purpureum var. angustifolium
| Torr. & A. Gray | Fl. N. Amer. 2(1): 82 | 1841 |
Asteraceae | |
Eupatorium purpureum fo. anomalum
| (Vict.) B. Boivin | Naturaliste Canad. 94(5): 646 | 1967 |
Asteraceae | |
Eupatorium purpureum var. bruneri
| (A. Gray) B.L. Rob. | Proc. Amer. Acad. Arts 42: 44 | 1906 |
Asteraceae | |
Eupatorium purpureum fo. depressum
| Jenn. | Castanea 7(3): 47 | 1942 |
Asteraceae | |
Eupatorium purpureum var. falcatum
| (Michx.) Britton | Mem. Torrey Bot. Club 5(20): 312 | 1894 |
Asteraceae | |
Eupatorium purpureum fo. faxonii
| (Fernald) B. Boivin | Phytologia 23(1): 11 | 1972 |
Asteraceae | |
Eupatorium purpureum var. foliosum
| Fernald | Rhodora 10(113): 86 | 1908 |
Asteraceae | |
Eupatorium purpureum var. holzingeri
| (Rydb.) E.E. Lamont | Phytologia 69(6): 468 | 1990 [1991] |
Asteraceae | |
Eupatorium purpureum fo. laciniatum
| Jenn. | Castanea 7(3): 47–48 | 1942 |
Asteraceae | |
Eupatorium purpureum fo. maculatum
| | | |
Asteraceae | |
Eupatorium purpureum subsp. maculatum
| (L.) Á. Löve & D. Löve | Taxon 31(2): 357 | 1982 |
Asteraceae | |
Eupatorium purpureum var. maculatum
| (L.) Darl. | Fl. Cestr. (ed. 2) 453 | 1837 |
Asteraceae | |
Eupatorium purpureum var. ovatum
| Alph. Wood | Class-book Bot. 184 | 1845 |
Asteraceae | |
Eupatorium purpureum var. purpureum
| | | |
Asteraceae | |
Eupatorium purpureum fo. tegulosum
| (B. Boivin) B. Boivin | Phytologia 23(1): 11 | 1972 |
Asteraceae | |
Eupatorium purpureum var. verticillatum
| (Lam.) Alph. Wood | Class-book Bot. 184 | 1845 |