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CCDB → Angiosperms → Compositae → Aphanostephus → Aphanostephus skirrhobasis

18 chromosome counts in Aphanostephus skirrhobasis:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Aphanostephus kidderi S. F. Blake	Aphanostephus skirrhobasis var. kidderi (S. F. Blake) B. L. Turner		6	Fedorov, 1974	Turner, Crammer 1964
!		Aphanostephus skirrhobasis	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	3II(23)		Asteracea	Turner 1984 Phytologia
!		Aphanostephus skirrhobasis	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner		6(1)	Asteracea	Zhao ＆ T. 1993 Sida (= J. Bot. Res. Inst. Texas)
!		Aphanostephus skirrhobasis	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	c.3II+1-2II		IPCN online	Semple, J. C. & J. G. Chmielewski. 1987. Chromosome number determinations in fam. Compositae, tribe Astereae. II. Additional counts. Rhodora 89: 319–325.
!		Aphanostephus skirrhobasis	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	3II		IPCN online	Semple, J. C., J. G. Chmielewski & M. E. Lane. 1989. Chromosome number determinations in fam. Compositae, tribe Astereae. III. Additional counts and comments on generic limits and ancestral base numbers. Rhodora 91: 296–314.
!		Aphanostephus skirrhobasis	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner		6	IPCN online	Zhao, Z. & B. L. Turner. 1993. Documented chromosome numbers 1993: 3. Miscellaneous U.S.A. and Mexican species, mostly Asteraceae. Sida 15: 649–653.
!		Aphanostephus skirrhobasis	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	3		IPCN online	Semple, J. C. 1980. In Chromosome number reports LXVII. Taxon 29: 357–358.
!		Aphanostephus skirrhobasis	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	4		IPCN online	Keil, D. J. & D. J. Pinkava. 1976. Chromosome counts and taxonomic notes for Compositae from the United States and Mexico. Amer. J. Bot. 63: 1393–1403.
!		Aphanostephus skirrhobasis	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner		6	eFlora
!		Aphanostephus skirrhobasis (DC) Trelease	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner		6	Fedorov, 1974	Turner, Crawmer 1964
!		Aphanostephus skirrhobasis (DC) Trelease	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner		6	Fedorov, 1974	Turner, Mabry 1964
!		Aphanostephus skirrhobasis (DC) Trelease	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner		14	Fedorov, 1974	Smith E. B., Johnson 1964 ch
		Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	3II(1)		Asteracea	Lane & L. 1993 Sida (= J. Bot. Res. Inst. Texas)
		Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	3II		IPCN online	Lane, M. A. & J. Li. 1993. Documented chromosome numbers 1993: 1. Chromosome number reports in Compositae with emphasis on tribe Astereae of the southwestern United States and Mexico. Sida 15: 539–546.
!		Aphanostephus skirrhobasis var. hallii (A. Gray) S. F. Blake	Aphanostephus skirrhobasis (DC.) Trel. ex Coville & Branner	4II(1)		Asteracea	Keil & P. 1976 Amer. J. Bot.
		Aphanostephus skirrhobasis var. kidderi (S. F. Blake) B. L. Turner	Aphanostephus skirrhobasis var. kidderi (S. F. Blake) B. L. Turner	3II(3)		Asteracea	Turner 1984 Phytologia
		Aphanostephus skirrhobasis var. kidderi (S. F. Blake) B. L. Turner	Aphanostephus skirrhobasis var. kidderi (S. F. Blake) B. L. Turner	3(1)		Asteracea	Turner & C. 1964 Amer. J. Bot.
!		Aphanostephus skirrhobasis var. kidderi (S. F. Blake) B. L. Turner	Aphanostephus skirrhobasis var. kidderi (S. F. Blake) B. L. Turner		6	eFlora