She shows how to easily make an edible moss effect for cakes and cupcakes. It's genius really. Luckily, with a few tweaks to Andrea's method.
Edible lichens include: Cetraria islandica (known as Iceland moss); Cladonia rangiferina · Parmelia perlata Umbilicaria. References. icon Food portal.
Edible Cladonia: What's not to Lichen? Lichen can be harder to tell apart than twins in the dark. My guess my picture above is of Cladonia Evansii.