Photo by Stephen Sharnoff
Eaten in eastern and northern Canada:
Iwa-take
(Umbilicaria esculenta)
 Delicacy in Japan ($100/lb)
 Deep fried, pickled, in soups, etc.
 Boiled several times, eaten in soup, or with fish roe
Also eaten by early European explorers:
Rock Tripe (Umbilicaria spp.)
 Minimal preparation and limited nutrition
Photos by Y. Ohmura
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