Rock tripe
Umbilicaria muehlenbergii
Family: Umbilicariaceae
What it is like
A lichen.
Where it is found
It is a temperate plant.
Countries/locations it is found in
Canada, North America
How it is used for food
It is added to fish soup to thicken the soup.
Edible parts
Lichen
How it is grown
Its other names
Local names
Synonyms
Gyrophila muhlenbergii;