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CCDB → Pteridophytes → Ophioglossaceae → Ophioglossum → Ophioglossum petiolatum Hook.

14 chromosome counts in Ophioglossum petiolatum Hook.:

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Median Minimum Max Distribution

		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.	510-520	c.1100*	IPCN65	Walker 1964-65
		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.	c.470		IPCN online	Manickam, V. S. 1984. Cytology of thirty species of ferns from the Palni Hills (South India). Cytologia 49: 49–59.
		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.	480		IPCN online	Wang, Z. r. 1986. The polymorphy of fronds and chromosome number of Ophioglossum petiolatum Hook. Acta Bot. Sin. 28: 472–476.
		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.	100, 108, 112, 120, 124		IPCN online	Khandelwal, S. 1990. Chromosome evolution in the genus Ophioglossum L. Bot. J. Linn. Soc. 102(3): 205–217.
		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.	c.240		IPCN online	Takamiya, M. 1995. Chromosomal studies of ferns and fern-allies in the Republics of Fiji and Vanuatu, South Pacific I. Psilotaceae, Ophioglossaceae, Marattiaceae and Schizaeaceae. Acta Phytotax. Geobot. 46: 137–145.
		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.		c.960	IPCN online	Obermayer, R., I. J. Leitch, L. Hanson & M. D. Bennett. 2002. Nuclear DNA C-values in 30 species double the familial representation in pteridophytes. Ann. Bot. (Oxford) 90: 209–217.
!		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.		960	Love, 1977	Kurita & Nishida 1967
!		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.		960	Love, 1977	Mitui 1973
!		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.		c.1020	Love, 1977	Manton & Sledge 1954
!		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.	480		IPCN73-74	MITUI, K. 1973. A cytological survey on the Pteridophytes of the Bon Islands. J. Jap. Bot. 48: 247-253.
!		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.		960	eFlora
		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.	510-515		Cave1956	Verma
		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.	c.510		Cave1956supp	Manton & Sledge 1954
!		Ophioglossum petiolatum Hook.	Ophioglossum petiolatum Hook.		960	Automatic manuscript search	R. J. Dyer,J. Pellicer,V. Savolainen,I. Leitch and H. Schneider. 2013. "Genome size expansion and the relationship between nuclear DNA content and spore size in the Asplenium monanthes fern complex (Aspleniaceae)". BMC Plant Biology 13:219-219.