limestone fern limestone • limestone salamander · · · Info · Definitions · Synonyms · Characters · · limestone fern · · Text Common · · Latin · · Scripts 14 · · Length 4 · · Syllables Definitions · · · (noun) yellow-green fern of rocky areas of northern hemisphere. Synonyms: limestone fern, northern oak fern, Gymnocarpium robertianum. · · Noun Definition 1 Synonyms · · · northern oak fern · · Synonym 1 gymnocarpium robertianum · · Synonym 2 Characters · · space U+0020 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074