Pseudocrossidium is a small genus of mosses of which Tasmania has two representatives, P. crinitum and P. hornschuchianum (previously Barbula crinita and B. hornschuchiana respectively).

P. crinitum is a common soil or rock dwelling moss in dry areas. It is best recognized by the leaf hairpoint which is long, thick and golden.

P. hornschuchianum is a terrestrial or rock-dwelling turfed moss with stems c. 5mm. The leaves are 1-1.5 mm and are ovate-deltoid to short-lanceolate. The leaf margins are revolute and the leaf apex is narrowly acute. The nerve extends beyond the leaf apex. Capsule are held on a stak c. 1cm high. The capsule is c. 1.7 mm long and bears a peristome of 32 linear, yellow teeth.