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ribbon fern
  1. n. fern of North Africa and Azores and Canary Islands [syn: spider fern, Pteris serrulata]

  2. epiphytic fern found in lowland forests of tropical America [syn: grass fern, Vittaria lineata]

  3. epiphytic fern with straplike usually twisted fronds of tropical Asia and Polynesia and America [syn: Ophioglossum pendulum]