Hymenophyllum falklandicum, the Falklands filmy fern, is a plant in the fern family Hymenophyllaceae. It is native to southern South America and some subantarctic islands.
Hymenophyllum falklandicum grows as a very small fern, up to 3cm (01inches) tall. The fronds are dark green, glabrous and serrated. Fronds measure up 2cm (01inches) long and are spaced 2– apart. Spores are contained in brown or black capsules.
Hymenophyllum falklandicum is native to Patagonia, the Juan Fernández Islands, the Falkland Islands, South Georgia and Macquarie Island. It is found widely, growing in rocky crevices or overhangs at altitudes up to 350m (1,150feet), rarely to 500m (1,600feet).