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CCDB → Angiosperms → Betulaceae → Betula → Betula cordifolia Regel

4 chromosome counts in Betula cordifolia Regel:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Betula cordifolia Regel	Betula papyrifera var. cordifolia (Regel) Regel		56, 70, 84	IPCN65	Brittain & G. 1965
		Betula cordifolia Regel	Betula papyrifera var. cordifolia (Regel) Regel		28	IPCN66	Love & Love 1966b
		Betula cordifolia Regel	Betula papyrifera var. cordifolia (Regel) Regel		28	IPCN67-71	BRITTAIN, W.H . & W.F. GRANT. 1969. Observations on the Canadian birch (Betula) collections at the Morgan Arboretum. VIII. Betula from Grand Manan Island, New Brunswick. Canad. Field-Naturalist 83: 361-383.
!		Betula cordifolia Regel	Betula papyrifera var. cordifolia (Regel) Regel		28	eFlora