LOBES: distinctly lobate, lobes plane to concave, grayish to pale yellowish-green to pale greenish-yellow, shiny-waxy texture, epruinose or not
ANATOMY: medulla loose and cottony, algal layer discontinuous
APOTHECIA: packed in center, discs pale yellowish to orangish to brownish, epruinoes; rim distinct, continuous, like thallus
CHEMISTRY: cortex usually KC+ gold (usnic acid)
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