| Eupatorium cannabinum L. | 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. | 90-91 | | 20 |
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| Eupatorium cannabinum L. | Kiehn, M., E. Vitek, E. Hellmayr, J. Walter, J. Tschenett, C. Justin & M. Mann. 1991. Beiträge zur Flora von Österreich: Chromosomenzählungen. Verh. Zool.-Bot. Ges. Wien 128: 19–39. | 90-91 | | 20 |
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| Eupatorium cannabinum L. | Hollingsworth, P. M., R. J. Gornall & J. P. Bailey. 1992. Contribution to a cytological catalogue of the British and Irish flora, 2. Watsonia 19: 134–137. | 92-93 | | 20 |
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| Eupatorium cannabinum L. | Druskovic, B. & M. Lovka. 1995. IOPB chromosome data 9. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 24: 15–19. | 94-95 | | 20 |
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| Eupatorium cannabinum L. | Albers, F. & W. Pröbsting. 1998. In R. Wisskirchen & H. Haeupler, Standardliste der Farn- und Blütenpflanzen Deutschlands. Bundesamt für Naturschutz & Verlag Eugen Ulmer, Stuttgart. | 98-00 | | 20 |
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| Eupatorium cannabinum L. | Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42. | 98-00 | | 20 |
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| Eupatorium cannabinum L. | Strid, A. & R. Franzen. 1981. In Chromosome number reports LXXIII. Taxon 30: 829–842. | 79-81 | | 20 |
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| Eupatorium cannabinum L. | Van Den Brand, C., F. C. M. V. Meel & J. H. Wieffering. 1979. In IOPB chromosome number reports LXIV. Taxon 28: 395–397. | 79-81 | | 20 |
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| Eupatorium cannabinum L. | Morton, J. K. 1977. A cytological study of the Compositae (excluding Hieracium and Taraxacum) of the British Isles. Watsonia 11: 211–223. | 75-78 | | 20 |
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| Eupatorium cannabinum L. | Kuzmanov, B. A. 1975. In IOPB chromosome number reports XLIX. Taxon 24: 501–516. | 75-78 | | 20 |
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