Helminthostachys zeylanica

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Helminthostachys zeylanica

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Ophioglossaceae

In Ophioglossaceae
Helminthostachys zeylanica in Sri Lanka and regions extending from the Himalayas to Queensland, Australia, has sporangia in small groups on both sides of the fertile spike. Mankyua chejuense is endemic to Cheju Island of South Korea
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