The grass would not have survived intact through nearly a thousand years of burial under ordinary circumstances.

What archaeologists can sometimes detect is the impression or trace of organic material that has decayed, a discoloration or pattern in the soil where vegetable matter once was.

The identification of this as a “grass pillow” reflects archaeological interpretation of such traces.

The two lumps of local chalk placed on either side of the skull to prevent it from rolling are similarly specific and practical.

They reflect a concern for maintaining the correct orientation of the head within the coffin.