Which of the following is called as "Adder's tongue fern"?
A
Cyathea
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B
Marsilea
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C
Ophioglossum
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D
Adiantum
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Solution
The correct option is D Ophioglossum Ophioglossum, Adder's-tongue fern is an unusual fern, that grows in old grasslands, on hillsides, along woodland rides and on sand dunes. It usually appears between June and August, spending the rest of the year underground as a rhizome. Adder's-tongue are so-called because the spore-bearing stalk is thought to resemble a snake's tongue.