ORDINARY MOSS : Brachythecium rutabulum
What a catchy name.
This is the one that you are most likely to see in your garden or on walks around West Dunbartonshire. It grows in lawns, but also on logs and rocks.
it is usually dark green, but can be tinged yellow. It has branching stems that taper, with shiny, oval, pointed leaves that have fine teeth on their edges.
NATURE SCOTLAND : https://www.nature.scot/plants-animals-and-fungi/mosses-and-liverworts