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CCDB → Angiosperms → Compositae → Hieracium → Hieracium horridum Fr.

2 chromosome counts in Hieracium horridum Fr.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Hieracium horridum Fr.	Hieracium horridum Fr.		18(1)	Asteracea	Stebbins et al. 1953 Univ. Calif. Publ. Bot.
!		Hieracium horridum Fr.	Hieracium horridum Fr.		18	Fedorov, 1974	Stebbins et al. 1953