Small neat bright green cushions growing on granite boulder in car-park.
No interactions present.
Again though these species often occur together, the cushion is Grimmia pulvinata, as examined on site it formed compact humps with seta and capsules that curl back into the plant.
Tortula is much smaller and doesn't form these distinctive cushions.
Lat/Lng: 53.404384, -2.877153
OS grid ref: SJ417900
Parkland location of Merseyside Biobank (LRC) and National Wildflower Centre.