CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.

CCDB → Angiosperms → Compositae → Machaeranthera → Machaeranthera canescens (Pursh) A. Gray

14 chromosome counts in Machaeranthera canescens (Pursh) A. Gray:

Show Statistics    
Export to CSV
Species statistics All fields
   
Export Fasta Counts
Median Minimum Max Distribution

		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray	4		IPCN online	Ward, D. E. 1984. Chromosome counts from New Mexico and Mexico. Phytologia 56(1): 55–60.
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray		4II	IPCN online	Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527.
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray		8	IPCN online	Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527.
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray		8	IPCN online	Chinnappa, C. C. & J. G. Chmielewski. 1987. Documented plant chromosome numbers 1987: 1. Miscellaneous counts from western North America. Sida 12: 409–417.
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray	4II		IPCN online	Semple, J. C. & J. G. Chmielewski. 1987. Chromosome number determinations in fam. Compositae, tribe Astereae. II. Additional counts. Rhodora 89: 319–325.
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray		8	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.
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray	4II		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.
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray	4		IPCN online	Semple, J. C. 1980. In Chromosome number reports LXVII. Taxon 29: 357–358.
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray	4	8	IPCN online	Keil, D. J. 1979. In IOPB chromosome number reports LXIII. Taxon 28: 271–273.
		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray	4		IPCN online	Pinkava, D. J. & D. J. Keil. 1977. Chromosome counts of Compositae from the United States and Mexico. Amer. J. Bot. 64: 680–686.
		Machaeranthera canescens var. canescens	Machaeranthera canescens (Pursh) A. Gray	4II		IPCN online	Turner, B. L. 1987. Taxonomic study of Machaeranthera section Machaeranthera and Hesperastrum (Asteraceae). Phytologia 62: 207–266.
		Machaeranthera canescens var. canescens	Machaeranthera canescens (Pursh) A. Gray	4		IPCN online	Gieschen, L. & B. L. Turner. 1987. Chromosome Number Reports 94. Taxon 36: 283.
!		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray	4		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.
!		Machaeranthera canescens (Pursh) A. Gray	Machaeranthera canescens (Pursh) A. Gray	4		IPCN73-74	WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124.