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CCDB → Angiosperms → Compositae → Erigeron → Erigeron formosissimus Greene

15 chromosome counts in Erigeron formosissimus Greene:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Erigeron formosissimus Greene	Erigeron formosissimus Greene		18	IAPT/IOPB	IAPT/IOPB Chromosome Data 11
!		Erigeron formosissimus var. viscidus (Rydb.) Cronquist	Erigeron formosissimus Greene	9II, 18II(2, 1)	18(1)	Asteracea	Nesom 1978 Sida (= J. Bot. Res. Inst. Texas)
		Erigeron formosissimus Greene	Erigeron formosissimus Greene	9(1)		Asteracea	Schaack & M. 1986 Taxon
!		Erigeron formosissimus var. formosissimus	Erigeron formosissimus Greene	9II(2)		Asteracea	Nesom 1978 Sida (= J. Bot. Res. Inst. Texas)
		Erigeron formosissimus Greene	Erigeron formosissimus Greene	9		IPCN online	Schaack, C. G. & J. D. Morefield. 1986. Chromosome Number Reports 90. Taxon 35: 196.
		Erigeron formosissimus var. formosissimus	Erigeron formosissimus Greene	9II		IPCN online	Nesom, G. L. 1978. Chromosome numbers in Erigeron and Conyza (Compositae). Sida 7: 375–381.
		Erigeron formosissimus var. formosissimus	Erigeron formosissimus Greene		9	IPCN online	Nesom, G. L. 1978. Chromosome numbers in Erigeron and Conyza (Compositae). Sida 7: 375–381.
		Erigeron formosissimus var. formosissimus	Erigeron formosissimus Greene		18	IPCN online	Semple, J. C. & J. G. Chmielewski. 1987. Chromosome number determinations in fam. Compositae, tribe Astereae. II. Additional counts. Rhodora 89: 319–325.
		Erigeron formosissimus var. formosissimus	Erigeron formosissimus Greene	9II		IPCN online	Keil, D. J., M. A. Luckow & D. J. Pinkava. 1988. Chromosome studies in Asteraceae from the United States, Mexico, the West Indies, and South America. Amer. J. Bot. 75: 652–668.
		Erigeron formosissimus var. formosissimus	Erigeron formosissimus Greene		18	IPCN online	Semple, J. C., J. G. Chmielewski & C. Xiang. 1992. Chromosome number determinations in fam. Compositae, tribe Astereae. IV. Additional reports and comments on the cytogeography and status of some species of Aster and Solidago. Rhodora 94: 48–62.
		Erigeron formosissimus var. formosissimus	Erigeron formosissimus Greene	9		IPCN online	Keil, D. J. 1979. In IOPB chromosome number reports LXIII. Taxon 28: 271–273.
		Erigeron formosissimus var. viscidus (Rydb.) Cronquist	Erigeron formosissimus Greene	9II, 18II		IPCN online	Nesom, G. L. 1978. Chromosome numbers in Erigeron and Conyza (Compositae). Sida 7: 375–381.
		Erigeron formosissimus var. viscidus (Rydb.) Cronquist	Erigeron formosissimus Greene		9,18	IPCN online	Nesom, G. L. 1978. Chromosome numbers in Erigeron and Conyza (Compositae). Sida 7: 375–381.
		Erigeron formosissimus var. viscidus (Rydb.) Cronquist	Erigeron formosissimus Greene		18	IPCN online	Semple, J. C., J. G. Chmielewski & C. Xiang. 1992. Chromosome number determinations in fam. Compositae, tribe Astereae. IV. Additional reports and comments on the cytogeography and status of some species of Aster and Solidago. Rhodora 94: 48–62.
		Erigeron formosissimus var. viscidus (Rydb.) Cronquist	Erigeron formosissimus Greene	18		IPCN online	Keil, D. J. 1979. In IOPB chromosome number reports LXIII. Taxon 28: 271–273.