Oreogrammitis albosetosa

Polypodiaceae

Oreogrammitis albosetosa (F.M.Bailey) Parris

Link to Australian Plant Name Index for publication details and synonyms: https://id.biodiversity.org.au/name/apni/215194

Rhizome erect to short-creeping. Fronds 0.2–0.3 mm apart. Stipe with whitish to pale red-brown simple 0.2–0.8 mm long eglandular hairs and whitish simple c. 0.1 mm long glandular hairs. Lamina 2–3.9 (–5.7) cm long, 3–6 mm wide, thinly coriaceous; hairs whitish to pale red-brown, simple, eglandular, 0.7–2.2 mm long, on both surfaces of lamina and midvein; veins not visible in transmitted light, sometimes with hydathodes. Sori rounded to broadly elliptic, 2–8 (–12) pairs in distal one-sixth to half of lamina. Sporangia setose; thickened annulus cells 9–14. Spores 23–32 µm diam.

Endemic to mountain peaks of NE QLD between Mt Finnegan and Majors Mt.

Epiphytic or lithophytic in upper-montane rainforest and microphyll vine fern thicket in high-rainfall areas.