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CCDB → Angiosperms → Compositae → Silphium → Silphium radula Nutt.

9 chromosome counts in Silphium radula Nutt.:

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	Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
	Silphium radula var. radula	Silphium radula Nutt.	7(1)		Asteracea	Fisher & C. 1962 Ohio J. Sci.
	Silphium radula Nutt.	Silphium radula Nutt.	8(1)		Asteracea	Smith, E. B. et al. 1992 Sida (= J. Bot. Res. Inst. Texas)
	Silphium radula var. radula	Silphium radula Nutt.		14(1)	Asteracea	Zhao 1996 Sida (= J. Bot. Res. Inst. Texas)
!	Silphium simpsonii var. wrightii L. M. Perry	Silphium radula Nutt.		14	IPCN online	Zhao, Z. 1996. Documented chromosome numbers 1996:2. Miscellaneous U. S. A. and Mexican species, mostly Asteraceae. Sida 17(1): 259–263.
	Silphium radula Nutt.	Silphium radula Nutt.	8		IPCN online	Smith, E. B., P. E. Hyatt & K. D. Golden. 1992. Documented chromosome numbers 1992: 1. Chromosome numbers of some Arkansas flowering plants. Sida 15: 145–146.
!	Silphium reverchonii Bush	Silphium radula Nutt.		14	IPCN67-71	SETTLE, w. J. 1967. The chromosome morphology in the genus Silphium (Compositae). Ohio Jour. Sci. 67: 10-19.
	Silphium radula var. radula	Silphium radula Nutt.		14	eFlora
	Silphium reverchonii Bush	Silphium radula Nutt.		14	Fedorov, 1974	Fisher T. R., Cruden 1962
	Silphium reverchonii Bush	Silphium radula Nutt.	7		Cave1962	Fisher & Cruden 1962

9 chromosome counts in Silphium radula Nutt.: Show Statistics Export to CSV Species statistics All fields Export Fasta Counts Median Minimum Max Distribution

9 chromosome counts in Silphium radula Nutt.:

Show Statistics
Export to CSV
Species statistics All fields

Export Fasta Counts
Median Minimum Max Distribution