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CCDB → Pteridophytes → Osmundaceae → Osmunda → Osmunda regalis L.

49 chromosome counts in Osmunda regalis L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Osmunda regalis L.	Osmunda regalis L.		44	CHROBASE	TORNADORE N., MARCUCCI R. - 2005. Analisi cariologica e micromorfologica di alcuni taxa del Distretto Euganeo (Padova, NE Italia). Inform. Bot. Ital. , 37(1A): 56-57.
		Osmunda regalis L.	Osmunda regalis L.		44	CHROBASE	BRULLO S., DE LEONARDIS W., PAVONE P. - 1982. Chromosome numbers of some sicilian ferns. 1.. Webbia , 35(2): 275-281.
		Osmunda regalis L.	Osmunda regalis L.	22		ChromoPar	Kempf, C. 1967
		Osmunda regalis L.	Osmunda regalis L.	22		ChromoPar	Dujardin, M. & Tilquin, J. P. 1971
		Osmunda regalis L.	Osmunda regalis L.	22		ChromoPar	Roy, S. K. & Singh, J. B. 1975
		Osmunda regalis L.	Osmunda regalis L.	22		ChromoPar	Ghatak, J. 1977
		Osmunda regalis L.	Osmunda regalis L.	22		ChromoPar	Mahabale, T. S. & Kamble, S. Y. 1981
		Osmunda regalis L.	Osmunda regalis L.	22		ChromoPar	Vasudeva, S. M. & Bir, S. S. 1983
		Osmunda regalis L.	Osmunda regalis L.	22 II		ChromoPar	Smith, A. R. & Mickel, J. T. 1977
		Osmunda regalis L.	Osmunda regalis L.		44	ChromoPar	Roy, S. K. & Singh, J. B. 1975
		Osmunda regalis L.	Osmunda regalis L.		44	ChromoPar	Brullo, S., De Leonardis, W. & Pavone, P. 1982
!		Osmunda regalis	Osmunda regalis L.	22		ChromoPar	Queirs, M. & Nogueira, I. 1989
!		Osmunda regalis	Osmunda regalis L.		44	ChromoPar	Queirs, M. & Ormonde, J. 1987
!		Osmunda regalis L.	Osmunda regalis L.		44	British Isles cytology	Manton, I. Probl. Cytol. Evol. Pterid. (1950)
!		Osmunda regalis L.	Osmunda regalis L.		44	British Isles cytology	Squirrell, J. Watsonia : (1994)
!		Osmunda regalis L.	Osmunda regalis L.		44	flora of NW Europe	http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=1472
!		Osmunda regalis L.	Osmunda regalis L.		44	Flora Europaea	Manton, 1950
		Osmunda regalis L.	Osmunda regalis L.	22		IPCN65	Bir 1965
		Osmunda regalis L.	Osmunda regalis L.	22		IPCN online	Vasudeva, S. M. & S. S. Bir. 1983. Chromosome numbers and evolutionary status of ferns and fern allies of Pachmarhi Hills (Central India).In: S. S. Bir (editor), Pteridophytes: their morphology, cytology, taxonomy and phylogeny. Aspects Pl. Sci. 6: 119–181.
		Osmunda regalis L.	Osmunda regalis L.	22	44	IPCN online	ROY, S. K. & J. B. SINGH. 1975. A note on the chromosome numbers in some ferns from Pachmarhi Hills, Central India. Sci. & Cult. 41: 181–183.
		Osmunda regalis L.	Osmunda regalis L.	22		IPCN online	GHATAK, J. 1977. Biosystematic survey of pteridophytes from Shevaroy Hills, south India. Nucleus 20: 105–108.
		Osmunda regalis L.	Osmunda regalis L.		44	IPCN online	Zenkteler, E. K. 2002. Ex situ breeding and reintroduction of Osmunda regalis L. in Poland. Fern Gaz. 16(6–8): 371–376.
!		Osmunda regalis	Osmunda regalis L.		44	IPCN online	Queirós, M. & J. Ormonde. 1987. Contribuiçao para o conhecimento citotaxonómico da flora dos Açores III. Revista Biol. Univ. Aveiro 1: 31–46.
!		Osmunda regalis	Osmunda regalis L.	22		IPCN online	Queirós, M. & I. Nogueira. 1989. Estudos cromossómicos em Pteridophyta de Portugal. Anales Jard. Bot. Madrid 46(2): 563–569.
!		Osmunda regalis	Osmunda regalis L.	22		IPCN online	Queirós, M. 1998. Estudos cromosómicos em Pteridophyta de Portugal, III. Collect. Bot. (Barcelona) 23: 73–77.
		Osmunda regalis L.	Osmunda regalis L.	22		IPCN67-71	KEMPF. C. 1967. Fougeres d'Alsace. Inf. Ann. Caryosyst. et Cytogenet. 1: 15-16.
		Osmunda regalis L.	Osmunda regalis L.	22		IPCN67-71	DUJARDIN, M., & J.P. TILQUIN. 1971. In IOPB chromosome number reports XXXIII. Taxon 20: 609-614.
		Osmunda regalis L.	Osmunda regalis L.	22		IPCN75-78	Roy & Singh 1975
		Osmunda regalis L.	Osmunda regalis L.	22		IPCN75-78	Ghatak 1977
!		Osmunda regalis L.	Osmunda regalis L.		44	Love, 1977	Manton 1950
		Osmunda regalis L.	Osmunda regalis L.	18		Cave1956	Vazart
!		Osmunda regalis L.	Osmunda regalis L.	22	44	Cave1956	Ninan c
!		Osmunda regalis L.	Osmunda regalis L.		44	Cave1962	Bir 1962b
		Osmunda regalis L.	Osmunda regalis L.	22		CromoCat 2015	Dujardin, M. & Tilquin, J. P. (1971). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XXXIII]. Taxon 20(4): 609-610.
		Osmunda regalis L.	Osmunda regalis L.	22		CromoCat 2015	Kempf, C. (1967). Fougères d'Alsace. Inf. Ann. Caryosyst. et Cytogenet. 1: 15-16.
		Osmunda regalis L.	Osmunda regalis L.	22		CromoCat 2015	Manton, I. (1950). Problems of cytology and evolution in the Pteridophyta. Cambridge
		Osmunda regalis L.	Osmunda regalis L.	22		CromoCat 2015	Smith, A. R. & J. T. Mickel. (1977). Chromosome counts for Mexican ferns. Brittonia 29: 391-398.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Barreau, R. (1956). Contribution à l'étude cytologique d'Osmunda regalis. Botaniste 40: 133-193.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Brullo, S., Leonardis, de, W. & Pavone, P. (1982). Chromosome numbers of some Sicilian ferns. 1. Webbia 35: 275-281.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Litardière, R., de. (1921). Recherches sur l'élément chromosomique dans la caryocinèse somatique des filicinées. Cellule 31: 255-473.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Manton, I. (1932b). Contributions to the cytology of apospory in ferns. I. A case of induced apospory in Osmunda regalis. J. Genet. 25: 423-430.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Manton, I. (1939). Evidence on spiral structure and chromosome pairing in Osmunda regalis L. Philos. Trans., Ser. B 230: 179-215.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Manton, I. (1945). Chromosome length at the early meiotic prophases in Osmunda. Ann. Bot. (London) 9: 155-178.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Ninan, C. A. (1956b). Studies on the cytology and phylogeny of the Pteridophytes. III. Observations on Osmunda regalis L. J. Indian Bot. Soc. 35: 248-251.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Strasburger, E. (1900). Über reduktionsteilung, spindelbildung, centrosomen und cilienbilder in pflanzenreich. Histol. Beitr. 6: 1-224.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Vazart, J. (1956). Étude cytologique de la reproduction sexuée chez quelques Ptéridophytes. Rev. Cytol. Biol. Vég. 17: 263-402.
		Osmunda regalis L.	Osmunda regalis L.		44	CromoCat 2015	Zenkteler, E. K. (2002). Ex situ breeding and reintroduction of Osmunda regalis L. in Poland Fern Gaz. 16(6–8): 371–376
!		Osmunda regalis L.	Osmunda regalis L.	22		CromoCat 2015	Queirós, M. (1997). Estudios cromossómicos em Pteridophyta de Portugal, III. Collect. Bot. (Barcelona) 23: 73-77.
!		Osmunda regalis	Osmunda regalis L.	22		CromoCat 2015	Queirós, M. & I. Nogueira. (1989). Estudos cromossómicos em Pteridophyta de Portugal. Anales Jard. Bot. Madrid 46(2): 563-569.