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CCDB → Pteridophytes → Dryopteridaceae → Polystichum → Polystichum × hokurikuense (X)

2 chromosome counts in Polystichum × hokurikuense (X):

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Polystichum × hokurikuense (X)	Polystichum × hokurikuense Kurata		123	IPCN73-74	DAIGOBO, S. 1974. Chromosome numbers of the fern genus Polystichum (2). J. Jap. Bot. 49: 371-378
!		Polystichum × hokurikuense (X)	Polystichum × hokurikuense Kurata		c.120	IPCN73-74	MITUI, K. 1974. On the perispore formation of some Polystichurn species (Filicales). Bull. Nippon Dental Coll. Gen. Educ. 103 118.