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CCDB → Angiosperms → Compositae → Eupatorium → Eupatorium purpureum L.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Eupatorium purpureum L. | Eupatorium purpureum L. | 10(2) | Asteracea | King et al. 1976 Ann. Missouri Bot. Gard. | |||
| Eupatorium purpureum L. | Eupatorium purpureum L. | 10(1) | Asteracea | Freeman & B. 1988 Sida (= J. Bot. Res. Inst. Texas) | |||
| Eupatorium purpureum L. | Eupatorium purpureum L. | 10 | IPCN online | Freeman, C. C. & R. E. Brooks. 1988. Documented plant chromosome numbers 1988: 1. Chromosome counts for North American plants -- I. Sida 13: 241–250. | |||
| Eupatorium purpureum L. | Eupatorium purpureum L. | 20 | IPCN online | Love, A. & H. E. Connor. 1982. Relationships and taxonomy of New Zealand wheat grasses. New Zealand J. Bot. 20: 169–186. | |||
| Eupatorium purpureum L. | Eupatorium purpureum L. | 20 | IPCN online | Watanabe, K., M. Ito, T. Yahara, V. I. Sullivan, T. Kawahara & D. J. Crawford. 1990. Numerical analyses of karyotype diversity in the genus Eupatorium (Compositae, Eupatorieae). Pl. Syst. Evol. 170: 215–228. | |||
| Eupatorium purpureum L. | Eupatorium purpureum L. | 20 | IPCN online | Lamont, E. E. 1995. Taxonomy of Eupatorium section Verticillata (Asteraceae). Mem. New York Bot. Gard. 72: 1–68. | |||
| ! | Eupatoriadelphus purpureus (L.) R. M. King & H. Rob. | Eupatorium purpureum L. | 10 | IPCN online | King, R. M., D. W. Kyhos, A. M. Powell, P. H. Raven & H. Robinson. 1976 [1977]. Chromosome numbers in Compositae. XIII. Eupatorieae. Ann. Missouri Bot. Gard. 63(4): 862–888. |