Some versions are much longer than others, the version which I posted was the longest which I could find and contains verses which are not in any other version.
Mault gave the Miller such a blow,
That from [h]is horse he fell full low,
He taught him his master Mault for to know
you neuer saw the like sir.
This particular verse details Barleycorn’s revenge against the miller who grinds him into flour. Until recently I had never read it before.