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CCDB → Angiosperms → Compositae → Achillea → Achillea atrata L.

9 chromosome counts in Achillea atrata L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Achillea atrata L.	Achillea atrata L.		18	Flora Europaea	Favarger &
		Achillea atrata L.	Achillea atrata L.		18(1)	Asteracea	Reese 1952b Ber. Deutsch. Bot. Gesells. Berlin
		Achillea atrata L.	Achillea atrata L.		18	IPCN72	LOVKA, M., F. SUSNIK, A. LOEVE, & D. LOEVE. 1972. In IOPB chromosome number reports XXXVI. Taxon 21: 333-346.
		Achillea atrata L.	Achillea atrata L.		18	IPCN67-71	LOVKA, M., F. SUSNIK, A. LOEVE, & D. LOEVE. 1971. In IOPB chromosome number reports XXXIV. Taxon 20: 785-797:-
		Achillea atrata L.	Achillea atrata L.		18	Fedorov, 1974	Favarger 1950
		Achillea atrata L.	Achillea atrata L.		18	Fedorov, 1974	L. 1961)
		Achillea atrata L.	Achillea atrata L.		18	Fedorov, 1974	Reese 1952b
!		Achillea atrata L.	Achillea atrata L.		18	Darlington, 1955	Reese 1952a
!		Achillea atrata L.	Achillea atrata L.		2n = 18	Austria_checklist	Reese, G. 1951. Erg?nzende Mitteilungen ?ber die Chromosomenzahlen mitteleurop?ischer Gef??pflanzen I. Ber.Deutsch.Bot.Ges. 64[9], 240-255.°