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CCDB → Pteridophytes → Dryopteridaceae → Polystichum → Polystichum thomsonii (Hook.) Bedd.

5 chromosome counts in Polystichum thomsonii (Hook.) Bedd.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Polystichum thomsonii (Hook.) Bedd.	Polystichum thomsonii (Hook.) Bedd.	82		IPCN online	Khullar, S. P., S. S. Sharma & S. C. Verma. 1988. SOCGI plant chromosome number reports -- VI. J. Cytol. Genet. 23: 38–52.
!		Polystichum thomsonii (Hook.) Bedd.	Polystichum thomsonii (Hook.) Bedd.	82		IPCN online	Khullar, S. P. & S. C. Gupta. 1978. Cytotaxonomy of the genus Polystichum in the Western Himalayas. Pl. Syst. Evol. 129: 269–275.
		Polystichum thomsonii (Hook.) Bedd.	Polystichum thomsonii (Hook.) Bedd.	82		IPCN67-71	MEHRA, P.N . & S.P. KHULLAR. 1970. In IOPB chromosome number reports XXVII. Taxon 19: 437-442.
!		Polystichum thomsonii Hook.	Polystichum thomsonii (Hook.) Bedd.	82		IPCN75-78	Khullar & Gupta 1978
!		Polystichum thomsonii (Hook.) Bedd.	Polystichum thomsonii (Hook.) Bedd.		164	Love, 1977	Mehra & Khullar (in Love 1970b)