Hymenophyllum sibthorpioides (Bory ex Willd.) Mett. ex Kuhn

sibthorpioides: sibthorpia is a genus of European herbs within the Scrophulariaceae which has leaves of similar appearance to the fronds of this fern.

Rhizome wiry. Fronds spaced apart (up to 2.5 cm). Stipe up to 3 cm long, wiry, not winged, glabrous. Lamina almost circular in outline, up to 1.5 cm in radius, flabellate, palmately divided into up to 30 linear lobes. Lobes up to 4 × 1.5 mm, margins entire, apices rounded, venation repeatedly dichotomously branched, glabrous. Sori at the apices of the lobes, obconic to subcircular, c. 1 mm in diameter, indusial valves erose-dentate, ovate; lower part of sorus winged by lamina.

Rare

Comoro and Mascarene islands, Madagascar, Malawi, Mozambique, Tanzania, Zimbabwe.