Ptychomitrium polyphyllum Glyncorrwg
Ptychomitrium polyphyllum, Abergwynfi
The short, pleated calyptras are a really neat feature. It is probably widespread above the enclosure line throughout the South Wales Coalfield, i.e. it should be as frequent in RCT as it is in NPT, but it may be absent or rare outside the Coalfield.