How many words for hay?

While researching Welsh scything terms I came across the Geiriadur Prifysgol Cymru, a wonderful Welsh dictionary run by the University of Wales. Whilst checking on more mundane words such as “haystack” and “scythe” I came across a rich seam of specific historical terms. Under the word gwair (hay) there were

Establishing Yellow Rattle (Rhinanthus minor)

Spring is well underway, the grass is growing and the Yellow Rattle Rhinanthus minor is germinating in the hay meadows. It is also germinating in profusion in many of the areas that we mulched with grass and hay from Cae Mari Jones last summer and autumn. Yellow Rattle (Rhinanthus minor)