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CCDB → Angiosperms → Compositae → Sonchus → Sonchus angustissimus Hook.

2 chromosome counts in Sonchus angustissimus Hook.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Sonchus angustissimus Hook.	Sonchus oleraceus (L.) L.		18	IPCN online	Renard, R., J. Lambinon, M. Reekmans, P. v. Veken & M. Govaert. 1983. Nombres chromosomiques de quelques Angiospermes du Rwanda, du Burundi et du Kenya. Bull. Jard. Bot. Nat. Belg. 53: 342–371.
!		Sonchus angustissimus Hook.	Sonchus oleraceus (L.) L.		18	IPCN online	Morton, J. K. 1993. Chromosome numbers and polyploidy in the flora of Cameroon Mountain. Opera Bot. 121: 159–172.