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CCDB → Pteridophytes → Isoëtaceae → Isoetes → Isoetes maritima Underw.

4 chromosome counts in Isoetes maritima Underw.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Isoetes maritima Underw.	Isoetes maritima Underw.		44	IPCN online	Britton, D. M. & D. F. Brunton. 1993. Isoetes xtruncata: a newly considered pentaploid hybrid from western North America. Canad. J. Bot. 71: 1016–1025.
		Isoetes maritima Underw.	Isoetes maritima Underw.		44	IPCN online	Britton, D. M. & D. F. Brunton. 1996. Isoetes x pseudotruncata, a new triploid hybrid from western Canada and Alaska. Canad. J. Bot. 74: 51–59.
		Isoetes maritima Underw.	Isoetes maritima Underw.		44	IPCN online	Britton, D. M., D. F. Brunton & S. S. Talbot. 1999. Isoetes in Alaska and the Aleutians. Amer. Fern J. 89: 133–141.
!		Isoetes maritima Underw.	Isoetes maritima Underw.		22	Cave1962	Love 1962a