Phascum cuspidatum Hedw.
Tortula acaulon, formerly Phascum cuspidatum, the cuspidate earth-moss[1] or toothed phascum moss,[2] is a moss with 3 mm leaves which forms green patches.
It is very common and has a number of varieties in a wide range of habitats.
The variety piliferum occurs on sandy soils near the sea.
This Dicranidae-related article is a stub.