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CCDB → Angiosperms → Rosaceae → Physocarpus → Physocarpus opulifolius var. intermedius (Rydb.) B. L. Rob.

2 chromosome counts in Physocarpus opulifolius var. intermedius (Rydb.) B. L. Rob.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Physocarpus intermedius (Rydb.) C. K. Schneid.	Physocarpus opulifolius var. intermedius (Rydb.) B. L. Rob.		18	Fedorov, 1974	Sax K. 1931a
!		Physocarpus intermedius (Rydb.) C. K. Schneid.	Physocarpus opulifolius var. intermedius (Rydb.) B. L. Rob.		18	Darlington, 1955