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CCDB → Angiosperms → Boraginaceae → Onosma → Onosma tubiflora Velen.

2 chromosome counts in Onosma tubiflora Velen.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Onosma tubiflora Velen.	Onosma heterophylla Griseb.	13	26, 28	IPCN67-71	TEPPNER, HERWIG. 1971. Cytosystematik, bimodale Chromosomensatze und permanente Anorthoploidie bei Onosma (Boraginaceae). Oesterr. Bot. z. 119: 196-233.
!		Onosma tubiflora Velen.	Onosma heterophylla Griseb.		26	IPCN73-74	STRID, A. 1971. Chromosome numbers in some Albanian angiosperms. Bot. Notiser 124: 490-496.