Dioicous. Matted tufts on damp rock. Plants dull-yellow or dull-green. Stems simple or branched, 15–40 mm tall, reddish, with dense tomentum of yellow-brown rhizoids. Leaves erecto-patent when moist, appressed, incurved and twisted when dry, lanceolate or linear-lanceolate, 1–1.5 mm long, 0.15–0.25 mm wide, carinate; apex finely acute or acuminate; costa subpercurrent to shortly excurrent; margin serrulate near base by projecting prorate cell walls, otherwise entire, plane, without a border; laminal cells in the apical half subquadrate, isodiametric, 7–10 μm wide, pluripapillose; basal laminal cells rectangular, 7–35 μm long, 2.5–8 μm wide, longest near costa, grading into papillose cells away from costa, smooth, extending further up costa, c. 1/5–1/4 leaf length. Seta c. 10 mm long, red. Capsules erect, ellipsoid or oblong, with the neck usually tapered, straight, 0.8–1.5 mm long. Operculum obique-rostrate.
VVP, GGr. Known in Victoria from near Byaduk in the south-west on continuously shaded, cool and moist basalt walls of deep lava tubes near where they surface. Also WA. New Zealand.
