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CCDB → Angiosperms → Polygonaceae → Polygonum → Polygonum norvegicum Lid

2 chromosome counts in Polygonum norvegicum Lid:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Polygonum raii subsp. norvegicum Sam.	Polygonum norvegicum Lid		28, 30	IPCN online	Yurtseva, O. V. 2002. Chromosome numbers of Polygonum species, section Polygonum (Polygonaceae) from Russia and adjacent countries. Bot. Žhurn. (Moscow & Leningrad) 87(5): 151–153.
!		Polygonum raii subsp. norvegicum Sam.	Polygonum norvegicum Lid		40	IPCN75-78	Love & Love 1975b