Physcomitrium pyriforme

Autoicous. Asexual propagules absent. Turves on soil. Stems simple or branched once, 2–11 mm long, yellowish or reddish brown, covered in rhizoids, with a well-defined central strand. Leaves oblong-obovate, 2–5 mm long, 0.8–2 mm wide, plane or weakly concave adaxially, inrolled and somewhat contorted when dry; costa subpercurrent; apex acute, without hairpoint; margins bluntly serrate near apex by projecting cell ends or occasionally almost entire, plane, with marginal cells longer and narrower but not forming a distinct border; laminal cells oblong or oblong-hexagonal, c. 45–69 μm long, 26–30 μm wide; alar cells 4–6 in angles, inflated but poorly differentiated. Seta 3–15 mm long, reddish brown. Capsule exserted, globose-pyriform, vertical, straight, 1–1.5 (–1.8) mm long. Operculum plano-convex, shortly and obtusely rostrate, c. 0.6 mm long.