Asplenium lunulatum sw. var. barteri (Hook.) bonap.
Asplenium sherburgense Baker
Asplenium barteri Hook. var. acuta Hieron.

Rhizome erect, short; rhizome scales dark brown, to 4 mm long, narrowly triangular in outline, apex abruptly narrowedinto a tapering point, margin pale brown with few hair-like lobes. Fronds monomorphic, tufted, pinnate, proliferous, subcoriaceous. Stipe 10–30 cm long, greyish, with few narrow, black scales to 3 mm long. Lamina ovate-lanceolate in outline, 14–30 x 4–6 cm, with 13-18 pairs of pinnae, basal pinnae not or only slightly reduced, apical pinnae abruptly narrowed into a linear lobed terminal pinna, at its base often proliferous; pinnae ovate or elliptic in outline, apex shortly tapering to point or rounded, base unequal, often slightly auriculate on the acroscopic side, margin slightly crenate-dentate, 2–4 x 0.5–1.2 cm, sessile, closely spaced; rhachis scaly; veins mostly simple, . Sori in 6–7 pairs on each side of the costa, at angle of 45°, 2–4 mm long; indusium linear, membranous, entire, 0.4–0.5 mm wide.

A. barteri has pinnate, proliferous fronds; rhizome scales up to 4 mm long with marginal protuberances.

barteri: named after Charles Barter (1829/30-1859), foreman of the Regent's Park gardens of the Royal Botanic Society, London, was natural history collector on the second Niger expedition of William Balfour Baikie (1857-1859).

Moist forest, close to river, on schist.

See African distribution.

Angola, Benin, Cameroon, Central African Republic, Congo, Dem. Republic of Congo, Equatorial Guinea (incl. Bioko), Gabon, Ghana, Guinea, Ivory Coast, Kenya, Liberia, Nigeria, Sierra Leone, Sudan and South Sudan, Tanzania , Uganda.

Epiphytic.