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CCDB → Angiosperms → Fagaceae → Quercus → Quercus garryana Douglas ex Hook.

4 chromosome counts in Quercus garryana Douglas ex Hook.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Quercus garryana Douglas ex Hook.	Quercus garryana Douglas ex Hook.	12		IPCN online	Taylor, R. L. & S. Taylor. 1977. Chromosome numbers of vascular plants of British Columbia. Syesis 10: 125–138.
		Quercus garryana Douglas ex Hook.	Quercus garryana Douglas ex Hook.	12		IPCN75-78	Taylor & Taylor 1977
!		Quercus garryana Douglas ex Hook.	Quercus garryana Douglas ex Hook.		24	eFlora
!		Quercus garryana Douglas ex Hook.	Quercus garryana Douglas ex Hook.		24	Fedorov, 1974	Duffield 1940