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CCDB → Angiosperms → Gentianaceae → Swertia → Swertia perennis L.

23 chromosome counts in Swertia perennis L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Swertia perennis L.	Swertia perennis L.		28	Slovakia Database	Májovský J. et al., 1976: Index of chromosome numbers of Slovakian flora (Part 5). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 25: 1-18.
!		Swertia perennis L.	Swertia perennis L.		28	Flora Europaea	Skalinska, et al.,
!		Swertia perennis L.	Swertia perennis L.		28	Poland Database	Skali?ska M., Czapik R., Piotrowicz M. et al. 1959. Further studies in chromosome numbers of Polish Angiosperms (Dicotyledons). Acta Soc. Bot. Pol. 28, 487-529.
		Swertia perennis L.	Swertia perennis L.	14		IPCN online	Post, D. M. 1983. In IOPB chromosome number reports. Taxon 32: 509.
		Swertia perennis L.	Swertia perennis L.		28	IPCN online	Love, A. & D. Love. 1986. Chromosome Number Reports 93. Taxon 35: 897–899.
		Swertia perennis L.	Swertia perennis L.		28	IPCN online	Dawe, J. C. & D. F. Murray. 1979. In IOPB chromosome number reports LXIII. Taxon 28: 265–268.
		Swertia punctata Baumg.	Swertia perennis L.		28	IPCN online	Tan, K. & V. Vladimirov. 2001. Swertia punctata Baumg. (Gentianaceae) in Bulgaria. Bocconea 13: 461–466.
		Swertia perennis L.	Swertia perennis L.		28	IPCN67-71	TAYLOR, R.L., & G.A. MULLIGAN. 1968. Flora of the Queen Charlotte Islands. Part 2. Cytological aspects of the Vascular Plants. Queen's Printer, Ottawa. pp. 148.
		Swertia perennis L.	Swertia perennis L.	14		IPCN67-71	DELAY, J. 1970. Orophytes. Inf. Ann. Caryosyst. et Cytogenet. 4: 1-16.
		Swertia obtusa Ledeb.	Swertia perennis L.		28	Fedorov, 1974	CoKOJIOBCKaH, crpexKOBa, 1940, i948a
!		Swertia perennis L.	Swertia perennis L.		18	Fedorov, 1974	Sakai K. 1935a
!		Swertia perennis L.	Swertia perennis L.		24	Fedorov, 1974	Woycicki 1937
!		Swertia perennis L.	Swertia perennis L.		28	Fedorov, 1974	Favarger 1952b
!		Swertia perennis L.	Swertia perennis L.		28	Fedorov, 1974	Skaliiiska et al. 1959
!		Swertia perennis L.	Swertia perennis L.		18	Darlington, 1955	Sakai 1935
!		Swertia perennis L.	Swertia perennis L.		24	Darlington, 1955	Woycicki 1937
!		Swertia perennis L.	Swertia perennis L.		28	Darlington, 1955	Favarger 1952b
!		Swertia perennis L.	Swertia perennis L.		2n = 28	Austria_checklist	-- 1974b. Chromosomenzahlen und Strukturen der Arbeitskerne diverser Angiospermen. Naturk.Jahrb.Stadt Linz 20, 155-180.°
		Swertia perennis L.	Swertia perennis L.	14		CromoCat 2015	Post, D. M. (1983). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXX]. Taxon 32(3): 509.
		Swertia perennis L.	Swertia perennis L.		28	CromoCat 2015	Dawe, J. C. & Murray, D. F. (1979). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXIII]. Taxon 28(1, 2/3): 265-268.
		Swertia perennis L.	Swertia perennis L.		28	CromoCat 2015	Löve, A. & Löve, D. (1986). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XCIII]. Taxon 35(4): 897-899.
		Swertia perennis L.	Swertia perennis L.		28	CromoCat 2015	Speta, F. (1974a). Chromosomenzahlen und strukturen der arbeitskerne diverser Angiospermen Naturk. Jahrb. Stadt Linz 20: 155-180.
!		Swertia perennis L.	Swertia perennis L.		28	CromoCat 2015	Murín, A. & J. Májovský. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIII]. Taxon 25(4): 487-488.