Ditrichum difficile
(Duby) M.Fleisch.Monoicous. Turves on soil. Stems 5–10 (–20) mm long, simple or occasionally singly branched. Leaves wide-spreading, sometimes ±erect, flexuose, occasionally somewhat falcate toward stem apices, gradually tapering to a linear subula from ovate to oblong base, 3–4 (–7) mm long, channelled in subula; apices acute; costae shortly excurrent, occupying most of subula width; margins entire, occasionally slightly denticulate at apex, incurved toward apex, with a hyaline border of more elongate cells near base; cells in subula bistratose, linear, 7–27 μm long, 1–5 μm wide, smooth; cells of base unistratose, linear, 18–60 μm long, 2–9 μm wide, smooth. Setae 1.5–4 cm long, reddish-brown near base, becoming orange to yellowish toward capsule. Capsules inclined, ovoid-cylindric to cylindric, asymmetric and slightly curved, occasionally nearly symmetric in some shorter capsules, 2–5 mm long. Peristome of 16 teeth split almost to base into 2 filaments. Opercula rostrate from conic base, 0.5–1.1 mm long.
GleP, VVP, VRiv, GipP, OtP, WaP, Gold, CVU, GGr, DunT, NIS, EGL, EGU, WPro, HSF, HNF, OtR, Strz, MonT, HFE, VAlp. Widespread and common throughout the inland foothills of the Great Dividing Range from the alpine zone to sea level, mostly in embankments or margins or tracks or watercourses, or on bare soil among rock outcrops among wet and drier vegetation types. Also WA, SA, QLD, NSW, ACT, Tas and Norfolk Island. Southern Africa, the Mascarene Islands and India through to New Zealand.