This week's critter has been described as "the essence of the Goblin Forest". Unsea lichens has many other names, such as tree dandruff, woman's long hair and beard lichens.
It was also used in that past by Māori to make nappies and sanitary pads. DOC's Nic Toki explains to Jesse just how clever that was given the antiseptic properties the lichen has.
Beard Lichen/Tree's Dandruff/Woman's long hair/Usnea lichens Photo: T Cegy CC BY-SA 3.0
