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CCDB → Angiosperms → Compositae → Carduus → Carduus pycnocephalus L.

45 chromosome counts in Carduus pycnocephalus L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	CHROBASE	BELLOMARIA B., HRUSKA K. - 1984 (1983). Numeri cromosomici per la flora italiana:962-966.. Inform. Bot. Ital. , 15(1): 53-57.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	Flora Iberica	Contribucin al estudio cariolgico del gnero Carduus en la Pennsula Ibrica. Devesa, J. A.Lagascalia10(1): 65-80(1981).
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	Flora Iberica	Cytotaxonomy of spanish plants. IV.-Dicotyledons: Caesalpinacea-Asteracea. Lve, A. & E. Kjellqvist.Lagascalia4(2): 153-211(1974).
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		62-64	Flora Iberica	Studies on the flora of the Balearic Islands, I. Dahlgren, R., Th. Karlsson & P. Lassen.Bot. Not.124: 249-269(1971).
!		Carduus pycnocephalus L.	Carduus pycnocephalus L.		54	flora of NW Europe	http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3851
!		Carduus pycnocephalus L.	Carduus pycnocephalus L.		62-64	Flora Europaea	Dahlgren et al.,
		Carduus pycnocephalus L.	Carduus pycnocephalus L.	31(1)	60(1)	Asteracea	Powell et al. 1974 Amer. J. Bot.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		54	IPCN online	Kuzmanov, B. A., S. B. Georgieva & V. A. Nikolova. 1986. Chromosome numbers of Bulgarian flowering plants. I. Fam. Asteraceae. Fitologija 31: 71–74.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	IPCN online	Bellomaria, B. & K. Hru;abska. 1983. Numeri cromosomici per la Flora Italiana: 962-966. Inform. Bot. Ital. 15: 53–57.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.	31		IPCN online	Ghaffari, S. M. 1989. Chromosome studies in Iranian Compositae. Iran. J. Bot. 4: 189–196.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		60	IPCN online	Díaz Lifante, Z., T. Luque & C. S. Bárbara. 1992. Chromosome numbers of plants collected during Iter Mediterraneum II in Israel. Bocconea 3: 229–250.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		c.60	IPCN online	Oberprieler, C. & R. Vogt. 1993. Chromosome numbers of north African phanerogams. II. Willdenowia 23: 211–238.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		32, 54	IPCN online	Kuzmanov, B. A., S. B. Geogieva & V. T. Nikolova. 1991. Karyological study of Bulgarian plants from the family Compositae. IV. Tribus Cardueae Cass. Fitologija 39: 3–22.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		54	IPCN online	Kamel, E. A. 1999. Karyological studies on some taxa of the Asteraceae in Egypt. Compositae Newslett. 33: 1–18.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	IPCN online	Devesa, J. A. 1981. Contribucion al estudio cariologico del genero Carduus en la peninsula Iberica. Lagascalia 10: 65–81.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		32	IPCN online	Kliphuis, E. & Y. I. Barkoudah. 1977. Chromosome numbers in some Syrian angiosperms. Acta Bot. Neerl. 26: 239–249.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		54	IPCN online	Kamel. 2004. Cytotaxonomical investigations of the Egyptian Compositae (Asteraceae): I---Cardueae and Cichorieae. Compositae Newslett. 41: 9–28.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	IPCN72	KRAMER, K.U., L.Y TH.WESTRA, E. KLIPHUIS, & T.W.J. GADELLA. 1972. Floristic and cytotaxonomic notes on the flora of the Maltese islands. Acta Bot. Neerl. 21: 54-66 .
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		80	IPCN73-74	BORGEN, L. 1974. Chromosome numbers of Macaronesian flowering plants! II. Norwegian J. Bot. 21: 195-210.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		"62-64"	IPCN73-74	DAHLGREN, R., TH. KARLSSON, & P. LASSEN. 1971. Studies on the flora I < the Balearic Islands. I. Chromosome numbers in Balearic angiosperms. sot. Notiser 124: 249~269.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	IPCN73-74	LOEVE, A., & E. KJELLQVIST. 1974. Cytotaxonomy of Spanish plants. IV. Dicotyledons: Caesalpiniaceae- Asteraceae. Lagascalia 4: 153-211.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.	31	60	IPCN73-74	POWELL, A.M., D.W. KYHOS, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. X. Amer. J. Bot. 61: 909-913.
!		Carduus pycnocephalus L.	Carduus pycnocephalus L.		54	Kumar, 1987	Moore, R.J. & Frankton, C. 1962
!		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	Kumar, 1987	Kramer, K.U. et al. 1912
		Carduus pycnocephalus subsp. pycnocephalus	Carduus pycnocephalus L.		54	eFlora
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		51	Fedorov, 1974	Moore R. J., Frankton 1962a
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		c.54	Cave1962	Moore & F. 1962a
		Carduus pycnocephalus L.	Carduus pycnocephalus L.	31		CromoCat 2015	Powell, A. M., D. W. Kyhos & P. H. Raven. (1974). Chromosome numbers in Compositae. X. Amer. J. Bot. 61: 909-913.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.	31	0	CromoCat 2015	Ghaffari, S. M. (1989). Chromosome studies in Iranian Compositae. Iranian J. Bot. 4: 189-196.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.	30		CromoCat 2015	Powell, A. M., D. W. Kyhos & P. H. Raven. (1974). Chromosome numbers in Compositae. X. Amer. J. Bot. 61: 909-913.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.	0	54	CromoCat 2015	Kamel (2004). Cytotaxonomical investigations of the Egyptian Compositae (Asteraceae): I—Cardueae and Cichorieae. Compositae Newslett. 41: 9–28.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		18	CromoCat 2015	Loon van, J. C. & de Jong, H. (1978). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIX]. Taxon 27(1): 56-61.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		32	CromoCat 2015	Kliphuis, E. & Barkoudah, Y. I. (1977). Chromosome numbers in some Syrian Angiosperms. Acta Bot. Neerl. 26: 239-249.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		32	CromoCat 2015	Kuzmanov, B., Georgieva, S. & Nikolova, M. (1991). Kariologicno izsledvane na balgarski Sloznocvetni. IV. Tribus Carduae Cass. Fitologija 39: 3-22.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		32	CromoCat 2015	Kuzmanov, B., Georgieva, S. & Nikolova, V. (1986). Chromosome numbers of Bulgarian flowering plants. I, Fam. Asteraceae. Fitologija 31: 71-74.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		53	CromoCat 2015	Kuzmanov, B., Georgieva, S. & Nikolova, V. (1986). Chromosome numbers of Bulgarian flowering plants. I, Fam. Asteraceae. Fitologija 31: 71-74.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		54	CromoCat 2015	Kuzmanov, B., Georgieva, S. & Nikolova, M. (1991). Kariologicno izsledvane na balgarski Sloznocvetni. IV. Tribus Carduae Cass. Fitologija 39: 3-22.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		60	CromoCat 2015	Díaz Lifante, Z., Luque, T. & Santa Bárbara, C. (1992). Chromosome numbers of plants collected during Iter Mediterraneum II in Israel. Bocconea 3: 229-250.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		62-64	CromoCat 2015	Dahlgren, R., Karlsson, Th. & Lassen, P. (1971). Studies on the Flora of the Balearic Islands, I. Chromosome numbers in Balearic Angiosperms. Bot. Not. 124(1): 249-269.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	CromoCat 2015	Bellomaria, B. & Hruska, K. (1983). Numeri cromosomici per la flora italiana: 962-966. Inf. Bot. Ital. 15: 53-57.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	CromoCat 2015	Devesa, J. A. (1981b). Contribución al estudio cariológico del género Carduus en la Península Ibérica. Lagascalia 10(1): 65-81.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		64	CromoCat 2015	Löve, A. & Kjellqvist, E. (1974b). Cytotaxonomy of Spanish plants. IV.-Dicotyledons: Caesalpinaceae-Asteraceae. Lagascalia 4(2): 153-211.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		80	CromoCat 2015	Borgen, L. (1974). Chromosome numbers of Macaronesian flowering plants II. Norweg. J. Bot. 21: 195-210.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		c.54	CromoCat 2015	Moore, R. J. & C. Frankton. (1962). Cytotaxonomic studies in the tribe Cynareae (Compositae). Canad. J. Bot. 40(2): 281-299.
		Carduus pycnocephalus L.	Carduus pycnocephalus L.		c.60	CromoCat 2015	Oberprieler, C. & R. Vogt. (1993). Chromosome numbers of north African phanerogams. II. Willdenowia 23: 211-238.