usnic acid; didymic acid; squamatic acid; Eastman Thin Layer Chromagram Sheet 13181, n. 431-7; Benzene-dioxane-glacial acetic acid (90:25:4); Herbarium of the University of Michigan
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R. C. Harris
10707
1967-05-12
1967-5-12
U.S.A., Tennessee, Carter, Dennis Cove Campground c. 4 mi SE of Hampton