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CCDB → Angiosperms → Compositae → Ageratina → Eupatorium urticifolium Reichard
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Eupatorium urticifolium Reichard | Ageratina altissima (L.) R. M. King & H. Rob. | 17 | ChromoPar | Mulligan, G. A. 1984 | |||
| ! | Eupatorium urticifolium Reichard | Ageratina altissima (L.) R. M. King & H. Rob. | 20 | ChromoPar | Cooper, D. C. & Mahony, K. L. 1935 | ||
| ! | Eupatorium urticifolium Reichard | Ageratina altissima (L.) R. M. King & H. Rob. | 20 | ChromoPar | Delay, C. 1947 | ||
| Eupatorium urticifolium Reichard | Ageratina altissima (L.) R. M. King & H. Rob. | 17 | IPCN online | Mulligan, G. A. 1984. Chromosome numbers of some plants native and naturalized in Canada. Naturaliste Canad. 111: 447–449. |