I have pearlwort and also rue, another protective herb.    From Wordnik.com.  [Check That, A Fairy Preview « Fairegarden] Reference

Sagina procumbens , pearlwort, is said to be a protective herb in case the fairies decided to carry away a member of the family in days of yore.    From Wordnik.com.  [Check That, A Fairy Preview « Fairegarden] Reference

Only four alien species are widespread on the island, but the integrity of the ecosystem has recently been threatened by the invasion of an alien groundcover, procumbent pearlwort Sagina procumbens.    From Wordnik.com.  [Gough Island Wildlife Reserve, United Kingdom] Reference

That small mossy circle would be thick with flowers, not one of them more than an inch high and some barely a centimetre – speedwell and forget-me-not, pearlwort and white flax, stork's-bill, cranesbill and valerianella, several minute purple vetches, and, best of all, a tiny pure-white saxifrage with scarlet leaves and stem.    From Wordnik.com.  [Try Anything Twice] Reference