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CCDB → Angiosperms → Compositae → Erigeron → Erigeron grandiflorus Hook.

16 chromosome counts in Erigeron grandiflorus Hook.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Erigeron simplex Greene	Erigeron grandiflorus Hook.		18	IAPT/IOPB	IAPT/IOPB Chromosome Data 11
		Erigeron grandiflorus Hook.	Erigeron grandiflorus Hook.		27(1)	Asteracea	Sponberg 1973 Rhodora
		Erigeron grandiflorus Hook.	Erigeron grandiflorus Hook.		18(1)	Asteracea	Semple ＆ C. 1987 Rhodora
		Erigeron grandiflorus Hook.	Erigeron grandiflorus Hook.	9(1)		Asteracea	Wiens & H. 1962 Botaniska Notiser
		Erigeron grandiflorus Hook.	Erigeron grandiflorus Hook.		36	IPCN online	Dawe, J. C. & D. F. Murray. 1981. Chromosome numbers of selected Alaskan vascular plants. Canad. J. Bot. 59: 1373–1381.
		Erigeron simplex Greene	Erigeron grandiflorus Hook.		18	IPCN online	Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527.
		Erigeron simplex Greene	Erigeron grandiflorus Hook.		18	IPCN online	Wade, R. K. 1986. Chromosome Number Reports 90. Taxon 35: 195.
		Erigeron simplex Greene	Erigeron grandiflorus Hook.	9II		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.
		Erigeron simplex Greene	Erigeron grandiflorus Hook.		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 simplex Greene	Erigeron grandiflorus Hook.		18	IPCN online	Kovanda, M. 1978. Chromosome numbers of miscellaneous United States dicotyledons. Rhodora 80: 431–440.
		Erigeron simplex Greene	Erigeron grandiflorus Hook.		18	IPCN online	Kovanda, M. 1978. Chromosome numbers of miscellaneous United States l: Dicotyledons. Rhodora 80: 431–440.
		Erigeron simplex Greene	Erigeron grandiflorus Hook.		36	IPCN66	Taylor & Brockman 1966
!		Erigeron grandiflorus subsp. grandiflorus	Erigeron grandiflorus Hook.		18	IPCN67-71	CHOUKSANOVA, N.A., L.I. SVESHNIKOVA, & T.V. ALEXANDROVA. 1968. A new evidence on chromosome numbers in species of the family Compositae Giseke. Citologija 10: 381-386.
		Erigeron simplex Greene	Erigeron grandiflorus Hook.		18	IPCN67-71	LOEVE, A, D. LOEVE, & B.M. KAPOOR. 1971. Cytotaxonomy of a century of Rocky Mountain orophytes. Arctic & Alpine Res. 3: 139-165.
		Erigeron simplex Greene	Erigeron grandiflorus Hook.	9		IPCN73-74	ANDERSON, L.C., D.W. KYHOS, T. MOSQUIN, A.M. POWEL~, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. IX Haplopappus and other Astereae. Amer. J. Bot. 61: 665-671.
		Erigeron simplex Greene	Erigeron grandiflorus Hook.	9		Cave1962	Wiens & H. 1962