rock tripe


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rock tripe

Canadian any of various edible lichens, esp of the genus Umbilicaria, that grow on rocks and are used in the North as a survival food
References in periodicals archive ?
And Canadian trappers sometimes ate a kind of lichen called "rock tripe" when they ran out of other food.
Hand lenses at the ready, we inch along the first lichenated rocks we meet, glassing Blistered Rock Tripe and Smooth Rock Tripe.