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CCDB → Angiosperms → Urticaceae → Urtica → Urtica dubia Forssk.

4 chromosome counts in Urtica dubia Forssk.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Urtica dubia Forssk.	Urtica membranacea Poir. ex Savigny		26	Flora Iberica	Chromosome numbers of vascular plants from Austria, Mallorca and Yugoslavia. Nilsson, O. & P. Lassen.Bot. Not.124: 270-276(1971).
		Urtica dubia Forssk.	Urtica membranacea Poir. ex Savigny		22	Flora Iberica	Studies on the flora of the Balearic Islands, I. Dahlgren, R., Th. Karlsson & P. Lassen.Bot. Not.124: 249-269(1971).
!		Urtica dubia Forssk.	Urtica membranacea Poir. ex Savigny		22	IPCN73-74	DAHLGREN, R., TH. KARLSSON, & P. LASSEN. 1971. Studies on the flora I < the Balearic Islands. I. Chromosome numbers in Balearic angiosperms. sot. Notiser 124: 249~269.
!		Urtica dubia Forssk.	Urtica membranacea Poir. ex Savigny		26	IPCN73-74	NILSSON, Q., & P. LASSEN. 1971. Chromosome numbers of vascular pla from Austria, Mallorca and Yugoslav1a. Bot. Not1ser 124: 270-276. I