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CCDB → Angiosperms → Hypericaceae → Hypericum → Hypericum tetrapterum Fr.

31 chromosome counts in Hypericum tetrapterum Fr.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	Slovakia Database	Májovský J. et al., 1970b: Index of chromosome numbers of Slovakian flora Part 2. - Acta Fac. Rerum Nat. Univ. Comen., Bot. 18: 45-60.
		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	Slovakia Database	Májovský J. et al., 1978: Index of chromosome numbers of Slovakian flora (Part 6). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 26: 1-42.
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	British Isles cytology	Chattaway, M.M. Brit. J. Exp. Biol. : (1926)
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	British Isles cytology	Parnell, J.A.N. Watsonia 16: 82-83 (1986)
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	British Isles cytology	Robson, N.K.B. (1956)
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	British Isles cytology	Bailey, J.P., Gornall, R.J. Irish Naturalists' J. : ()
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	flora of NW Europe	http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=2121
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	Flora Europaea	Polya, 1950
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.	8		IPCN online	Parnell, J. 1986. Chromosome numbers of Irish plants. 1. Watsonia 16: 82–83.
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	IPCN online	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.
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	IPCN online	Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42.
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	IPCN online	Murin, A. 1978. In Index of chromosome numbers of Slovakian flora. Part 6. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 26: 1–42.
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	IPCN online	Pilsl, P., H. Wittmann & G. Nowotny. 2002. Beiträge zur Flora des Bundeslandes Salzburg III. Linzer Biol. Beitr. 34(1): 5–165.
		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	IPCN67-71	MAJOVSKY, J., ET. AL. 1970. Index of chromosome numbers of Slovakian flora. (Part 2). Acta Fae. Rerum Nat. Univ. Comenianae Bot. 18: 45-60.
		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	IPCN67-71	GADELLA, Th. W. J., & E. KLIPHUIS. 1966.' Chromosome numbers of flowering plants in the Netherlands II. Proc. Roy. Neth. Acad. Sci. Ser. C. 69: 541-556.
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	IPCN75-78	Murin 1978
		Hypericum acutum Moench	Hypericum tetrapterum Fr.		16	Fedorov, 1974	Nielsen 1924
		Hypericum acutum Moench	Hypericum tetrapterum Fr.		16	Fedorov, 1974	Noack 1939
		Hypericum acutum Moench	Hypericum tetrapterum Fr.		16	Fedorov, 1974	Gustafsson 1947a
		Hypericum quadrangulum L.	Hypericum tetrapterum Fr.		16	Fedorov, 1974	Winge 1925
		Hypericum quadrangulum L.	Hypericum tetrapterum Fr.		16	Fedorov, 1974	Chattaway 1926
		Hypericum quadrangulum L.	Hypericum tetrapterum Fr.		16	Fedorov, 1974	Noack 1939
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	Fedorov, 1974	Winge 1925
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	Fedorov, 1974	Su!iura 1940d
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	Fedorov, 1974	Ga ella, Kliphuis 1966
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	Darlington, 1955	Noack 1939
		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	CromoCat 2015	M?sí?ek J. et Jarolímová-Jav?rková V. (1992). List of chromosome numbers of the Czech vascular plants. Academia, Praha. p. 1-144.
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.	8		CromoCat 2015	Javurková-Jarolímová, V. (1992). List of Chromosome Numbers of the Czech Vascular Plants. In J. Mesíccek & V. Javurková-Jarolímová. Academia, Praha Praha
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.	8		CromoCat 2015	Parnell, J. (1986). Chromosome numbers of Irish plants. 1. Watsonia 16: 82-83.
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	CromoCat 2015	Javurková-Jarolímová, V. (1992). List of Chromosome Numbers of the Czech Vascular Plants. In J. Mesíccek & V. Javurková-Jarolímová. Academia, Praha Praha
!		Hypericum tetrapterum Fr.	Hypericum tetrapterum Fr.		16	CromoCat 2015	Parnell, J. (1986). Chromosome numbers of Irish plants. 1. Watsonia 16: 82-83.