| Verbena officinalis L. | Love, A. & D. Love. 1982. In: IOPB chromosome number reports LXXVI. Taxon 31: 583–587. | 82-83 | | 14 |
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| Verbena officinalis L. | García Martín, F. & S. Silvestre. 1985. Números 409-421, in Números cromosómicos para la flora española. 363-434. Lagascalia 13: 313–318. | 84-85 | 7 | |
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| Verbena officinalis L. | Van Loon, J. C. 1982. In IOPB chromosome number reports LXXVII. Taxon 31: 763–764. | 82-83 | | 28 |
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| Verbena officinalis L. | Díez, M. J., J. Pastor & I. Fernández. 1984. Números cromosomáticos de plantas occidentales, 297--306. Anales Jard. Bot. Madrid 41: 191–194. | 86-87 | | 14 |
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| Verbena officinalis L. | Ghaffari, S. M. 1987. Chromosome counts of some angiosperms from Iran II. Iran. J. Bot. 3: 183–188. | 88-89 | 7 | |
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| Verbena officinalis L. | Huang, S. f., Z. f. Zhao, Z. y. Chen, S. j. Chen & X. x. Huang. 1989. Chromosome counts on one hundred species and infraspecific taxa. Acta Bot. Austro Sin. 5: 161–176. | 88-89 | | 42 |
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| Verbena officinalis L. | Vitek, E., M. Kiehn, K. Pascher, F. Starlinger, J. Greimler, U. Stocker, S. Lehner, P. Beinhofer & A. Blaha. 1992. Beiträge zur Flora von Österreich---weitere Chromosomenzählungen. Verh. Zool.-Bot. Ges. Wien 129: 215–226. | 92-93 | | 14 |
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| Verbena officinalis L. | Montgomery, L., M. Khalaf, J. P. Bailey & K. J. Gornal. 1997. Contributions to a cytological catalogue of the British and Irish flora, 5. Watsonia 21: 365–368. | 96-97 | | 14 |
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| Verbena officinalis 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 | | 14 |
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| Verbena officinalis L. | Khatoon, S. & S. I. Ali. 1993. Chromosome Atlas of the Angiosperms of Pakistan. Department of Botany, University of Karachi, Karachi. | 98-00 | 35 | |
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| Verbena officinalis L. | Bir, S. S. & M. I. S. Saggoo. 1979. In IOPB chromosome number reports LXV. Taxon 28: 630–631. | 79-81 | 28 | 28 |
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| Verbena officinalis L. | Van Loon, J. C. & B. Kieft. 1980. In Chromosome number reports LXVIII. Taxon 29: 538–542. | 79-81 | | 14 |
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| Verbena officinalis L. | Aryavand, A. 1980. In chromosome number reports LXIX. Taxon 29:704. | 79-81 | 7 | 14 |
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