| Platanthera bifolia (L.) Rich. | Dmitrieva, S. A. & V. I. Parfenov. 1985. Kariologicheskaja kharakteristika nekotorykh vidov poleznykh rastenij flory Belorussii. Izv. Akad. Nauk Belorussk. SSR, Ser. Biol. Nauk 6: 3–8. | 84-85 | | 42 |
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| Platanthera bifolia (L.) Rich. | Arohonka, T. 1982. Chromosome counts of vascular plants of the island Seili in Nauvo, southwestern Finland. Ann. Univ. Turku., Ser. A, Biol.-Geogr. 3: 1–12. | 84-85 | | 42 |
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| Platanthera bifolia (L.) Rich. | Averyanov, L. V., E. L. Averyanova & A. N. Lavrenko. 1982. Karyosystematic study of orchids (Orchidaceae) on the territory of the Komi ASSR. Bot. Zhurn. 67 (11): 1491–1499. (In Russian). | 82-83 | | 42 |
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| Platanthera bifolia (L.) Rich. | Cauwet-Marc, A. M. & M. Balayer. 1986. Les Orchidees du bassin Mediterraneen. Contribution a l'etude caryolgique des especes des Pyrenees-orientales (France) et contrees limitrophes. II -- tribu des Ophrydae Lindl. pro parte. Bull. Soc. Bot. France, Lett. Bot. 133: 265–277. | 86-87 | | 42 |
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| Platanthera bifolia (L.) Rich. | Semerenko, L. V. 1989. Chromosome numbers in some members of the families Asteraceae, Fabaceae, Orchidaceae and Poaceae from the Berezinsky Biosphere Reservation (Byelorussia) flora. Bot. Zhurn. (Moscow & Leningrad) 74: 1671–1673. | 88-89 | | 42 |
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| Platanthera bifolia (L.) Rich. | Verlaque, R., M. Seidenbinder & P. Donadille. 1987. Recherches cytotaxonomiques sur la spéciation en région Méditerranéenne I: espèces a nombre chromosomique stable. Biol.-Ecol. Medit. 10: 273–289. | 88-89 | | 42 |
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| Platanthera bifolia (L.) Rich. | Malakhova, L. A. 1990. Kariologocheskij analiz prirodnykh populjacij redkich i ischezajushchikh rastenij na juge Tomskoj Oblasti. Bjulleten' Glavnogo Botaničeskogo Sada 155: 60–66. | 90-91 | | 42 |
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| Platanthera bifolia (L.) Rich. | Murín, A. & J. Májovský. 1987. Karyological study of the Slovak flora XIX. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 34: 3–20. | 92-93 | | 42 |
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| Platanthera bifolia (L.) Rich. | Ruiz, L. 1995. Mediterranean chromosome number reports 5 (559--589). Fl. Medit. 5: 363–373. | 94-95 | | 42 |
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| Platanthera bifolia (L.) Rich. | Stepanov, N. V. 1994. Chromosome numbers of some higher plants taxa of the flora of Krasnoyarsk region. Bot. Zhurn. (Moscow & Leningrad) 79(2): 135–139. | 94-95 | | 16 |
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| Platanthera bifolia (L.) Rich. | Malakhova, L. A. & G. A. Markova. 1994. Chromosome numbers in the flowering plants of Tomsk region. Monocotyledones. Bot. Zhurn. (Moscow & Leningrad) 79(7): 134–135. | 94-95 | | 42 |
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| Platanthera bifolia (L.) Rich. | Averyanov, L. V. 1979. Chromosome numbers of some species of Orchidaceae from the northwestern part of the USSR. Bot. Zhurn. 64 (6): 863–877. | 79-81 | | 40,42 |
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