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CCDB → Angiosperms → Caprifoliaceae → Lonicera → Lonicera japonica Thunb.

22 chromosome counts in Lonicera japonica Thunb.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	Slovakia Database	Baranec T. & Murín A., 2003: Karyological analyses of some Korean woody plants. - Biologia (Bratislava) 58/4: 797-804.
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	flora of NW Europe	http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3817
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	Flora Europaea	LBve, i n e d .
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	IPCN online	Chatterjee, T. 1968. Study of the structure and behaviour of chromosomes of different taxa of Caprifoliaceae. J. Cytol. Genet. 3: 60–65.
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	IPCN online	Hashimoto, K. 1981. Lonicera group. Shin Kaki (New Fl.). 111: 60–64.
		Lonicera japonica Thunb.	Lonicera japonica Thunb.	9		IPCN online	Bedi, Y. S., S. S. Bir & B. S. Gill. 1982. Cytological studies in certain woody members of family Caprifoliaceae. J. Tree Sci. 1: 27–34.
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	IPCN online	Benko-Iseppon, A. M. 1992. Karyologische Untersuchung der Caprifoliaceae s.l. und möglicher verwandter Familien. Wien, Formal– und Naturwiss. Fak. Univ. Wien. (Dissertation.).
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	IPCN online	Hill, L. M. 1995. IOPB chromosome data 10. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 25: 8–9.
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	IPCN online	Guo, Z. h., M. Wang & S. x. Li. 1993. A study on the karyotype of honeysuckle (Lonicera japonica). J. Hebei Agric. Univ. 16(1): 33–35.
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	IPCN online	Hommel, P. W. F. M. & J. H. Wieffering. 1979. In IOPB chromosome number reports LXIII. Taxon 28: 277–278.
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	IPCN online	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.
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.		36	IPCN online	Zhang, Z. y., Z. K. Zhou & Z. j. Gu. 2002. Karyomorphology of Heptacodium (Caprifoliaceae s. str.) and its phylogenetic implications. Taxon 51: 499–505.
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	IPCN online	Baranec, T. & A. Murin. 2003. Karyological analyses of some Korean woody plants. Biologia (Bratislava) 58(4): 797–804.
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	IPCN66	Ferguson 1966a
!		Lonicera japonica var. repens (Siebold) Rehder	Lonicera japonica Thunb.	9	18	IPCN67-71	RUDENBERG, L . & P.S. GREEN. 1969. A karyological survey of Lonicera, II. J. Arnold Arb. 50: 449-461.
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	Kumar, 1987	Sax, K. & Kribs, D.A. 1930 ; Janaki. Ammal, E.K. & Saunders, B. 1952 ; Ferguson, I.K. 1966 ; Hommel, P.W.F.M. & Wieffering, J.H. 1979
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	eFlora
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	Darlington, 1955
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.	9		CromoCat 2015	Bedi, Y. S., Bir, S. S. & Gill, B. S. (1982). Cytological studies in certain woody members of family Caprifoliaceae. Journal of Tree Sciences 1: 27-34
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.	0	36	CromoCat 2015	Zhang, Z. y., Z. K. Zhou & Z. j. Gu. (2002). Karyomorphology of Heptacodium (Caprifoliaceae s. str.) and its phylogenetic implications. Taxon 51: 499–505.
!		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	CromoCat 2015	Hill, L. M. (1995a). IOPB Chromosome Data 10 (ed. C.A. Stace). Int. Organ. Pl. Biosyst. Newslett. 25: 8-9.
		Lonicera japonica Thunb.	Lonicera japonica Thunb.		18	CromoCat 2015	Hommel, P. W. F. M. & Wieffering, J. H. (1979). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXIII]. Taxon 28(1, 2/3): 277-278.