| vittaria | (n) tropical epiphytic ferns with straplike fronds, Syn. genus Vittaria |
| vittariaceae | (n) one of a number of families into which Polypodiaceae has been subdivided in some classification systems: genus Vittaria, Syn. family Vittariaceae |
| grass fern | (n) epiphytic fern found in lowland forests of tropical America, Syn. Vittaria lineata, ribbon fern |