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potato fern, Solanopteris bifrons | small epiphytic fern of South America with tuberous swellings along rhizomes ❲Solanopteris bifrons❳ | |
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potato fern, Marattia salicina | large Australasian evergreen fern with an edible rhizome sometimes used as a vegetable by indigenous people ❲Marattia salicina❳ |