Source : WordNet®

ribbon fern
     n 1: 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}]