No interactions present.
This is caused on Juncus species by Livis juncorum, an arthropod. Probably Juncus articulatus.
Here is a very similar post I put up a while ago with a very helpful response from AlanS. Just worth noting possible error in name which should be Livia juncorum...?
Lat/Lng: 50.8621, 0.0008
OS grid ref: TQ409088