Grammitis pseudomarginella (Bonap.) Ching
Polypodium kyimbilense Brause ex Brause & Hieron.
Polypodium pseudomarginellum Bonap.

Rhizome short-creeping, sometimes branched; rhizome scales narrowly lanceolate to linear-lanceolate in outline, medium to dark red-brown, glabrous apart from 1–2 pale to dark red-brown simple eglandular hairs at apex. Fronds simple, closely spaced, stipes 0.2–1.6 mm apart in each row. Stipe 6–50 mm long with translucent to pale red-brown hairs 0.1–0.7 mm long. Lamina narrowly elliptic, linear-elliptic or narrowly lanceolate in outline, 2.7–15.5+ x 0.3–0.8 cm, apex rounded to pointed, base cuneate to long-tapering, with dark brown to blackish sclerotic margin 0.1–0.2 mm wide, with translucent to pale red-brown hairs 0.1–1.6 mm long on margin; lateral veins 1–(2-) forked, branch endings without hydathodes on adaxial surface of lamina. Sori in middle to apical 1/8 to ± throughout lamina, 1–31+ in each row.

kyimbilensis: from Kyimbila; the type specimen was collected in Kyimbila, a mission nearby Tukuyu in the highland Rungwe District of southern Tanzania.

Tree trunks or on upper branches of tall trees, in montane forest, on granitic rocks.

Africa, Madagascar.

Tanzania .

Epiphytic, lithophytic.