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Is that helpful? Hmmm, not so much, still need to see spores. Arg, and Thomson doesn’t even mention which species grow on rock (for the most part) in the key. K test might help a bit, but really there’s no alternative to seeing the spores. You might be able to verify the genus at least just by slicing open an apothecium under a dissecting scope — the large brown spores of Buellia alboatra would be visible as “black pepper” even at 30×.
Created: 2012-11-07 19:22:11 CST (-0500)
Last modified: 2015-12-16 14:47:49 CST (-0500)
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