Located on a fallen oak.
No interactions present.
There are two types of plant in your picture. There are mosses (I.m not expert enough to tell what they are - however they are not Sphagnum)and there are lichens. Lichens often have a blue/green colouration and a wide variety of structures whereas most mosses are green and have recognisable leaves.
If you were to put this id in again in the "fungi and lichens" section you might get an answer to species.
Lat/Lng: 51.7597, -0.176
OS grid ref: TL259083
Located on the edge of a farmland field.