Asplenium laserpitiifolium Lam.

Epiphytic or lithophytic fern with semi-erect or pendent fronds. Rhizomes erect, scaly. Stipe and rachis almost black, sparsely scaly, smooth; stipe 10–50 cm long, 1–4 mm diam. Lamina ovate, 3–4-pinnate at base, 22–75 cm long, 7.5–60 cm wide, glossy green, sparsely scaly. Primary pinnae in 15–25 pairs, ovate or triangular; apices acuminate; longest pinnae below middle, 4–33 cm long, 2.2–13 cm wide. Secondary pinnae ovate, mostly stalked; longest pinnae 1.4–8.5 cm long, 1–3.5 cm wide. Tertiary pinnae elliptic or obovate; bases unequally cuneate; margins entire; apices obtuse or truncate and toothed; longest pinnae 12–16 mm long, 5–12 mm wide, sometimes divided into quaternary pinnae up to 10 mm long and 5 mm wide. Sori to 4 mm long. Perispores pale with smooth broad ridges and smooth lacunae; exospores 30.5–31.5 × 19–19.5 µm (means).

Epiphytic on tree trunks, from the bases of bird's nest Asplenium or Platycerium Desv., or on mossy boulders in rainforest.