What is of, pertaining to, or obtained from, lichens. Lichenic acid. (a) An organic acid, C14H24O3 obtained from Iceland moss. (b) An old name of fumaric acid called?

lichenic — Of, pertaining to, or obtained from, lichens. Lichenic acid. (a) An organic acid, C14H24O3 obtained from Iceland moss. (b) An old name of fumaric acid. (Webster's 1913.)

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