highland rush
three-leaved rush
juncus trifidus latin

Juncus trifidus is a species of rush known by the common name highland rush.

Also common are grass family members, such as bentgrass, tufted fescue and highland rush.

In volume 3, page 284, the Juncus trifidus - Racomitrium lanuginosum community is referred to as community U11, whereas it is in fact community U9.