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CCDB → Angiosperms → Compositae → Helminthotheca → Picris echioides L.

28 chromosome counts in Picris echioides L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	CHROBASE	BRULLO S., MAJORANA G., PAVONE P., TERRASI M.C. - 1977. Numeri cromosomici per la flora italiana:283-298.. Inform. Bot. Ital. , 9(1): 40-54.
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	British Isles cytology	Edmonds, J.M., Sell, P.D., Walters, S.M. Watsonia 10: 159-161 (1974)
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	British Isles cytology	Parker, J.S. (1975)
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	British Isles cytology	Morton, J.K. Watsonia 11: 211-223 (1977)
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	Flora Iberica	Chromosome numbers of plants collected during Iter Mediterraneum I in the SE of Spain. Luque, T. & Z. Daz Lifante.Bocconea1: 303-364(1991).
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	Flora Iberica	Nmeros cromosmicos para la flora espaola, 556-591. Pastor Daz, J. & al.Lagascalia15(2): 269-282(1990).
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	flora of NW Europe	http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3898
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	Flora Europaea	Fernandes & Queiros,
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IPCN online	Nazarova, E. A. 1984. Chromosome numbers in the Caucasian representatives of the families Asteraceae, Brassicaceae, Fabaceae, Limoniaceae. Bot. Zhurn. SSSR 69(7): 972–975. (In Russian).
		Picris echioides L.	Helminthotheca echioides (L.) Holub	10		IPCN online	Pastor, J., J. C. Diosdado, C. S. Bárbara, J. Vique & E. Pérez. 1990. Números cromosómicos para la flora Española. 556--591. Lagascalia 15: 269–282.
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IPCN online	Natarajan, G. 1988. étude caryosystiématique de quelques dicotyledones de la Garrigue Languedocienne. Nat. Monspel. 52: 85–123.
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IPCN online	Luque, T. & Z. D. Lifante. 1991. Chromosome numbers of plants collected during Iter Mediterraneum I in the SE of Spain. Bocconea 1: 303–364.
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IPCN online	Albers, F. & W. Pröbsting. 1998. In R. Wisskirchen & H. Haeupler, Standardliste der Farn- und Blütenpflanzen Deutschlands. Bundesamt für Naturschutz & Verlag Eugen Ulmer, Stuttgart.
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IPCN online	Natarajan, G. 1981. In Chromosome number reports LXXII. Taxon 30: 698–699.
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IPCN online	Van Loon, J. C. & B. Kieft. 1980. In Chromosome number reports LXVIII. Taxon 29: 538–542.
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IPCN online	Morton, J. K. 1977. A cytological study of the Compositae (excluding Hieracium and Taraxacum) of the British Isles. Watsonia 11: 211–223.
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IPCN online	Brullo, S., G. MAJORANA, P. Pavone & M. C. TERRASI. 1977a. Numeri cromosomici per la flora Italiana: 283-298. Inform. Bot. Ital. 9: 40–55.
		Picris echioides L.	Helminthotheca echioides (L.) Holub	5		IPCN online	Keil, D. J. & D. J. Pinkava. 1976. Chromosome counts and taxonomic notes for Compositae from the United States and Mexico. Amer. J. Bot. 63: 1393–1403.
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IPCN73-74	EDMONDS, J.M., P.O. SELL, & S.M. WALTERS. 1974. Some British chromosome counts in the Compositae sub-family Cichorioideae. Watsonia 10: 159-161.
		Picris echioides L.	Helminthotheca echioides (L.) Holub	5	10	IPCN73-74	POWELL, A.M., D.W. KYHOS, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. X. Amer. J. Bot. 61: 909-913.
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	Fedorov, 1974	Bergman 1935c
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	Fedorov, 1974	Schnack, Covas 1947
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	Fedorov, 1974	D. 1955)
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	Fedorov, 1974	Heiser, Whitaker 1948
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	Fedorov, 1974	Perret (L. 1961)
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	Darlington, 1955	Schnack & C. 1947
!		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	C-values database	Bachmann K, Price HJ, Bierweiler B. (pers. comm. 1975).
		Picris echioides L.	Helminthotheca echioides (L.) Holub		10	IAPT/IOPB	IAPT/IOPB Chromosome Data 20