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CCDB → Angiosperms → Compositae → Arnica → Arnica unalaschcensis Less.

8 chromosome counts in Arnica unalaschcensis Less.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Arnica unalaschcensis Less.	Arnica unalaschcensis Less.	19(1)		Asteracea	Barker, W. W. 1966 Ph. D. Thesis, University of Washington, Seattle 1966.
		Arnica unalaschcensis Less.	Arnica unalaschcensis Less.		38	IPCN online	Nishikawa, T. 1986. Chromosome counts of flowering plants of Hokkaido (10). J. Hokkaido Univ. Educ., Sect. 2B 37: 5–17.
!		Arnica unalaschcensis Less.	Arnica unalaschcensis Less.		38	IPCN67-71	SOKOLOVSKAYA, A.P. 1968. A karyological investigation Of the flora of the Korjakian Land. (In Russian) Bot. Zurn. 53: 99-105.
!		Arnica unalaschcensis Less.	Arnica unalaschcensis Less.		38	eFlora
!		Arnica unalaschcensis	Arnica unalaschcensis Less.		38	Fedorov, 1974	Arano 1963b
!		Arnica unalaschcensis	Arnica unalaschcensis Less.		~40	Fedorov, 1974	Sakai K. 1934
!		Arnica unalaschcensis	Arnica unalaschcensis Less.		c.40	Darlington, 1955	Sakai 1934
!		Arnica unalaschcensis None	Arnica unalaschcensis Less.		38	Cave1963	Arano 1963b