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CCDB → Pteridophytes → Ophioglossaceae → Helminthostachys → Helminthostachys zeylanica None

2 chromosome counts in Helminthostachys zeylanica None:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Helminthostachys zeylanica None	Helminthostachys zeylanica (L.) Hook.	94	188	Cave1956	Ninan b
!		Helminthostachys zeylanica None	Helminthostachys zeylanica (L.) Hook.	"92-94"		Cave1956supp	Manton & Sledge 1954