adder's tongue fern

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Noun

adder's tongue fern - ferns with fertile spikes shaped like a snake's tongue

fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores

genus Ophioglossum, Ophioglossum - the type genus of the fern family Ophioglossaceae

Ophioglossum pendulum, ribbon fern - epiphytic fern with straplike usually twisted fronds of tropical Asia and Polynesia and America

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References in periodicals archive ?

crotalophoroides Walter--BULBOUS ADDER'S TONGUE FERN. Figure 8e, 8f.

Pteridophytes of southeast Alabama: Dichotomous keys, illustrations and distribution maps

These include grasslands which have not been subject to artificial fertilisers and are home to meadow flowers and plants such as adder's tongue fern, which grows a single oval "leaf" every year, encasing a tongue-like spike.