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CCDB → Angiosperms → Compositae → Senecio → Senecio fremontii Torr. & A. Gray

7 chromosome counts in Senecio fremontii Torr. & A. Gray:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Senecio fremontii Torr. & A. Gray	Senecio fremontii Torr. & A. Gray	20(1)		Asteracea	Chambers et al. 1998 Newsl. Int. Organ. Plant Biosyst.
!		Senecio fremontii Torr. & A. Gray	Senecio fremontii Torr. & A. Gray	20		IPCN65	Palmblad 1965
		Senecio fremontii Torr. & A. Gray	Senecio fremontii Torr. & A. Gray	20		IPCN online	Chambers, K. L., D. Green, S. Potampa & L. McMahan. 1998. IOPB chromosome data 13. Newslett. Int. Organ. Pl. Biosyst. (Oslo) 29: 18–22.
!		Senecio fremontii Torr. & A. Gray	Senecio fremontii Torr. & A. Gray		40	IPCN67-71	PACKER, J.G. 1968. In IOPB chromosome number reports XVII. Taxon 17: 285-288.
!		Senecio fremontii Torr. & A. Gray	Senecio fremontii Torr. & A. Gray	20		IPCN67-71	ORNDUFF, R., T. MOSQUIN, D. W. KYHOS, & P. H. RAVEN. 1967. Chromosome numbers in Compositae. VI. Senecioneae. II. Am. Jour. Bot. 54: 205-213.
!		Senecio fremontii Torr. & A. Gray	Senecio fremontii Torr. & A. Gray		40	eFlora
!		Senecio fremontii Torr. & A. Gray	Senecio fremontii Torr. & A. Gray	20		Cave1962	Wiens & H. 1962