| button fern | (n) fern of New Zealand and Australia having trailing fronds with dark green buttonlike leaflets, Syn. Pellaea rotundifolia |
| button fern | (n) Jamaican fern having round buttonlike bulbils, Syn. Tectaria cicutaria |
| indian button fern | (n) fern of tropical Asia having round buttonlike bulbils, Syn. Tectaria macrodonta |