Ophioglossum pendulum

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Noun1.Ophioglossum pendulum - epiphytic fern with straplike usually twisted fronds of tropical Asia and Polynesia and America
adder's tongue, adder's tongue fern - ferns with fertile spikes shaped like a snake's tongue
References in periodicals archive ?
palmatum gave inconclusive results, this study using spores from the other epiphytic species of the genus, Ophioglossum pendulum L.
On the prothalli of Ophioglossum pendulum and Helminthostachys zeylandica.