| Butomus umbellatus L. | Bhattacharya, G. N. & D. K. Ghosh. 1979. Cytotypes of some members of Helobiae. J. Cytol. Genet. 14: 159–162. | 86-87 | | 20, 26 |
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| Butomus umbellatus L. | Pandita, T. K. & P. N. MEHRA. 1984. Cytological studies of some Helobiales of Kashmir Himalayas II. Families: Butomaceae and Hydrocharitaceae. Cytologia 49: 305–312. | 84-85 | 13 | 26 |
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| Butomus umbellatus L. | Kartashova, N. N., L. A. MALAKHOVA, Koslova & N. A. Dubrova. 1974. Chisla chromosom u rjada polesnykh rastenij is prirodnykh populjacij flory Priob'ja. Biol. Biofis. Tomsk. 47–53. | 84-85 | | 24, 30 |
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| Butomus umbellatus L. | Murin, A. 1976. In: Index of chromosome numbers of Slovian flora. Part 4. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 25: 1–18. | | | 26 |
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| Butomus umbellatus L. | Krahulcová, A. & V. Jarolímová. 1993. Ecology of two cytotypes of Butomus umbellatus. I. Karyology and breeding behaviour. Folia Geobot. Phytotax. 28: 385–411. | 92-93 | | 26, 39 |
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| Butomus umbellatus L. | Dobea, C. & B. Hahn. 1997. IOPB chromosome data 11. Newslett. Int. Organ. Pl. Biosyst. (Oslo) 26/27: 15–18. | 96-97 | | 39 |
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| Butomus umbellatus L. | Jav|0urková-Jarolímová, V. 1992. In J. M|3esí|3ccek & V. Jav@0urková-Jarolímová, List of Chromosome Numbers of the Czech Vascular Plants. Academia, Praha. | 96-97 | | 26, 39 |
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| Butomus umbellatus L. | Krahulcová, A. 1992. In J. M|3esí|3ccek & V. Jav@0urková-Jarolímová, List of Chromosome Numbers of the Czech Vascular Plants. Academia, Praha. | 96-97 | | 26, 39 |
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| Butomus umbellatus L. | Niklas, L. 2000. In C. Dobea & E.Vitek, Documented Chromosome Number Checklist of Ausrian Vascular Plants. Verlag des Naturhistorischen Museums Wien, Vienna. | 98-00 | 13, 14, 17-21 | c.28, c.40 |
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| Butomus umbellatus L. | Mehra, P. N. & T. K. Pandita. 1979. In IOPB chromosome number reports LXIV. Taxon 28: 405. | 79-81 | | 39 |
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| Butomus umbellatus L. | Pandita, T. K. 1979. Cytological investigations of some monocots of Kashmir. Ph.D. Thesis, Chandigarh 1979. | 79-81 | | 26,39 |
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| Butomus umbellatus L. | Love, A. & D. Love. 1980. In Chromosome number reports LXIX. Taxon 29: 707–709. | 79-81 | | 26 |
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| Butomus umbellatus L. | Mehra, P. N. & T. K. Pandita. 1978. In IOPB chromosome number reports LXI. Taxon 27: 375–392. | | | 26 |
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| Butomus umbellatus L. | KARTASHOVA, N. N., L. A. MALAKHOVA & A. A. KOZLOVA. 1974. Study of the chromosomes of the representatives of the Ob region flora. I. Number of chromosomes of the Tomsk district. Biol. Nauki (Moscow) 4: 114–119. | | | 24,30 |
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