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The Pleurophascaceae is represented by a single endemic species
Pleurophascum glandiglobum in Tasmania. The biogeography of the
family is interesting. There is a related species in Western
Australia and another in New Zealand. P. glandiglobum is
moss largely restricted to buttongrass sedgeland or moorland
habitats.
The leaves are concave, nerveless and overlapping. They may have
blunt apices but sometimes also with a short corkscrewed hairpoint.
When fruiting, this moss is unmistakable. The capsules are large
and round and turns reddish when ripening. Also, the capsules have
no peristome, a conditioned known as being cleistocarpus. The
family placement of this genus is requiring of further study.
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