English: The crustose lichen Fuscidea appalachensis Fryday, photographed in Oak Mountain State Park, Shelby Co., Alabama, USA. Notes: "Based on chemical features: medulla UV+ yellow-white; TLC indicates divaricatic acid present (strong spot running high in solvent C: UV+ bluish-white before charring, strong yellow-orange with grayish halo and fluorescing green after charring) in addition to atranorin"
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