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CCDB → Angiosperms → Compositae → Achillea → Achillea impatiens L.

18 chromosome counts in Achillea impatiens L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Ptarmica impatiens (L.) DC.	Achillea impatiens L.		18	IAPT/IOPB	IAPT/IOPB Chromosome Data 9
!		Achillea impatiens L.	Achillea impatiens L.		18	Flora Europaea	Contandriopoulos
		Achillea impatiens L.	Achillea impatiens L.	9(1)		Asteracea	Krasnoborov & R. 1975 Bot. Zhurn. (Moscow & Leningrad)
		Achillea impatiens L.	Achillea impatiens L.		18(1)	Asteracea	Kartashova et al. 1974a Nauch. Dokl. Vyssh. Shkoly., Biol. Nauki
		Achillea impatiens L.	Achillea impatiens L.		18	IPCN online	Krogulevich, R. E. 1978. Kariologicheskij analiz vidov flory Vostochnogo Sajana. V Flora Pribajkal'ja. 19–48. Nauka, Novosibirsk.
		Achillea impatiens L.	Achillea impatiens L.		18	IPCN online	Krogulevich, R. E. 1976. Rol poliploidii v genesise flory Putorana. In: L. I. Malyshev, ed. 1976 Flora Putorana: Materali k Poznaniiu Osobennostei Sostava i Genezisia Gornykh Subarkticheskikh Flor Sibir. Novosibirsk. Nauka, Novosibirsk
		Achillea impatiens L.	Achillea impatiens L.		18	IPCN online	Dabrowska, J. 1989. The chromosome numbers of several taxa of the genus Achillea L. Acta Soc. Bot. Poloniae 58: 163–177.
		Achillea impatiens L.	Achillea impatiens L.	9		IPCN online	Krasnoborov & Rostovtseva. 1975. Chromosome numbers of some plant species from the south of Siberia. Bot. Zhurn. SSSR 60: 853–860.
		Achillea impatiens L.	Achillea impatiens L.		18	IPCN online	Rostovtseva, T. S. 1979a. Chromosome numbers of some species of the family Asteraceae Dumort. Bot. Zhurn. SSSR 64 (4): 582–589.
		Achillea impatiens L.	Achillea impatiens L.		18	IPCN online	Krogulevich, R. E. 1978. Karyological analysis of the species of the flora of eastern Sayana. Pp. 19-48 in L. I. Malyshev & G. A. Peshlcova (eds.) Flora of the Prebaikal. Novosibirsk.
		Ptarmica impatiens (L.) DC.	Achillea impatiens L.		18	IPCN online	Kartashova, N. N., L. A. MALAKHOVA, Koslova & N. A. Dubrova. 1974. Chisla chromosom u rjada polesnykh rastenij is prirodnykh populjacij flory Priob'ja. Biol. Biofis. Tomsk. 47–53.
		Ptarmica impatiens (L.) DC.	Achillea impatiens L.		18	IPCN online	KARTASHOVA, N. N., L. A. MALAKHOVA & A. A. KOZLOVA. 1974. Study of the chromosomes of the representatives of the Ob region flora. I. Number of chromosomes of the Tomsk district. Naucn. Dokl. Vyss. Shkoly, Biol. Nauki 4: 114–119.
!		Ptarmica impatiens (L.) DC.	Achillea impatiens L.		18	IPCN67-71	CHOUKSANOVA, N.A., L.I. SVESHNIKOVA, & T.V. ALEXANDROVA. 1968. A new evidence on chromosome numbers in species of the family Compositae Giseke. Citologija 10: 381-386.
!		Achillea impatiens L.	Achillea impatiens L.		18	eFlora
!		Achillea impatiens L.	Achillea impatiens L.		18	C-values database	Dabrowska J. 1992. Chromosome number and DNA content in taxa of Achillea L. in relation to the distribution of the genus. Prace Botaniczne 49: 1-84.
!		Achillea impatiens L.	Achillea impatiens L.	0	18	CromoCat 2015	Chuksanova, N. A., Sveshnikova, L. I. & Alexandrova, T. V. (1968b). A new evidence on chromosome numbers in species of the family Compositae Giseke Bot. Žurn. 53: 381-386.
!		Achillea impatiens L.	Achillea impatiens L.	0	18	CromoCat 2015	Kartashova, N. N., Malakhova, L. A. & Koslova, A. A. (1974a). Study of the chromosomes of the representatives of the Ob region flora. I. Number of chromosomes fo the Tomsk district. Nauch. Dokl. Vyssh. Shk., Biol. Nauk. 4: 114-119 (In Russian)
!		Achillea impatiens L.	Achillea impatiens L.	0	18	CromoCat 2015	Kartashova, N. N., Malakhova, L. A., Koslova, A. A. & Dubrova, N. A. (1974b). Chisla chromosom u rjada polesnykh rastenij is prirodnykh populjacij flory Priob'ja. Biol. Biofis. Tomsk 47-53.