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| Rudbeckia laciniata L. | Love, A. & D. Love. 1982. In: A Löve (ed.), IOPB chromosome number reports LXXV. Taxon 31(2): 344–360. | 82-83 | | 38 |
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| Rudbeckia laciniata L. | Pogan, E. 1982. Further studies in chromosome numbers of Polish angiosperms. Part XVI. Acta Biol. Cracov., Ser. Bot. 24: 159–189. | 82-83 | | 76 |
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| Rudbeckia laciniata L. | Hindáková, M. & T. Schwarzov|3. 1987. Karyological study of the Slovak flora XX. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 34: 21–25. | 92-93 | | 76 |
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| Rudbeckia laciniata L. | Hill, L. M. 1995. IOPB chromosome data 10. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 25: 8–9. | 94-95 | | 54 |
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| Rudbeckia laciniata L. | Jose, J. C. & P. M. Mathew. 1995. Chromosome numbers in the south Indian Heliantheae (Compositae). Compositae Newslett. 27: 7–10. | 94-95 | 24 | 48 |
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| Rudbeckia laciniata L. | Pinkava, D. J. & D. J. Keil. 1977. Chromosome counts of Compositae from the United States and Mexico. Amer. J. Bot. 64: 680–686. | 75-78 | 19 | |
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| Rudbeckia laciniata L. | Keil, D. J. & T. F. Stuessy. 1977. Chromosome counts of Compositae from Mexico and the United States. Amer. J. Bot. 64: 791–798. | 75-78 | 19 | |
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| Rudbeckia laciniata L. | Chen, R. y., W. q. Song, X. l. Li, M. x. Li, G. l. Liang & C. b. Chen. 2003. Chromosome Atlas of Major Economic Plants Genome in China, Vol. 3, Chromosome Atlas of Garden Flowering Plants in China. Science Press, Beijing. | 01-03 | | 38 |
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| Rudbeckia laciniata L. | Probatova, N. S., E. G. Rudyka & S. A. Shatalova. 2001. Chromosome numbers in some plant species from the environs of Vladivostok city (Primorsky Region). Bot. Zhurn. (Moscow & Leningrad) 86(1): 168–172. | 01-03 | | 38 |
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