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CCDB → Angiosperms → Compositae → Symphyotrichum → Aster cordifolius L.

18 chromosome counts in Aster cordifolius L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		16, 32	IPCN online	Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		32	IPCN online	Chmielewski, J. G. 1987. Cytogeographic studies of North American Asters. III. Asters of southern Ontario. Rhodora 89: 41–45.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		16,32	IPCN online	Brouillet, L. 1983. Nombres chromosomiques chez les Aster du groupe Heterophylli (Asteraceae-Astereae). Naturaliste Canad. 110: 171–178.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom	16		IPCN online	Hill, L. M. 1983. Chromosomal typification of Sisyrinchium bermudiana L. (Iridaceae). Rhodora 85: 257–258.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		16, 32	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.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		16+0-2B, 27-32	IPCN online	Legault, A. & L. Brouillet. 1989. Cytogéographie de l'Aster cordifolius (Asteraceae: Astereae) au Québec. Canad. J. Bot. 67: 2114–2119.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		16, 16+2-3s, 32, 48	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.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		16	IPCN online	Semple, J. C., J. Zhang & C. Xiang. 1993. Chromosome number determinations in fam. Compositae, tribe Astereae. V. Eastern North American taxa. Rhodora 95: 234–253.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		16	IPCN online	Plante, S. 1995. IOPB chromosome data 10. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 25: 9–10.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom	16	16,32	IPCN online	Morton, J. K. 1981. Chromosome numbers in Compositae from Canada and the U.S.A. Bot. J. Linn. Soc. 82: 357–368.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		16	IPCN online	Semple, J. C. & L. Brouillet. 1980. Chromosome numbers and satellite chromosome morphology in Aster and Lasallea. Amer. J. Bot. 67(7): 1027–1039.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		ca 32	IPCN online	Semple, J. C. & L. Brouillet. 1980. Chromosome numbers and satellite chromosome morphology in Aster and Lasallea. Amer. J. Bot. 67(7): 1027–1039.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom	16	16,32	IPCN online	Jones, A. M. 1977. New data on chromosome numbers in Aster sect. heterophylli (Asteraceae) and their phytogenetic implications. Syst. Bot. 2: 334–347.
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom	18		IPCN73-74	VAN FAASEN, P., & F.F. STERK. 1973. Chromosome numbers in Aster. Rhodora 75: 26-33.
!		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom		18, 36	Darlington, 1955	Avers 1953
!		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom	9		Cave1956supp	Avers 1954a
		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom	9		Cave1958	Avers 1957
!		Aster cordifolius L.	Symphyotrichum cordifolium (L.) G. L. Nesom	9, 18		Cave1963	Van Fassen 1963