The nests are sometimes covered with grey moss as a form of camouflage.

Some time soon, there'd be a malfunction the gray moss couldn't handle; then it would all be over.

Even without my sixth sense, I could almost feel the gray moss staring at her.

The ground was covered by a soft, gray moss, pleasant to tread upon.

The trees were twisted, spindling, and overgrown with a gray moss.

The forest floor was covered with a kind of gray moss that looked diseased and unwholesome.

At least the ground was no longer hard beneath his feet; it was covered in a gray, velvety moss.

All this Niall learned as he walked back across the land of gray, velvety moss.

There were patches of light gray moss or lichen in every rock.

A breeze set the gray moss to swaying from the branches of the oak.