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CCDB → Angiosperms → Compositae → Hieracium → Hieracium atratum Bab.

2 chromosome counts in Hieracium atratum Bab.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Hieracium atratum Bab.	Hieracium atratum Bab.		27	IPCN online	Schuhwerk, F. & W. Lippert. 1999. Chromosomenzahlen von Hieracium (Compositae, Lactuceae) Teil 3. Sendtnera 6: 197–214.
!		Hieracium atratum Bab.	Hieracium atratum Bab.		27	Fedorov, 1974	Jorgensen et al. 1958