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Diagnostic Description

provided by Mushroom Observer

THALLUS: very thin, smooth, whitish to pinkish or yellowish gray
APOTHECIA: to 3 mm; disc pale orange, epruinose; margin thick and smooth
SPORES: ???
CHEMISTRY: disc, margin, and parts of medulla C+ and KC+ red (gyrophoric and olivetoric acids)

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cc-by-nc-sa-3.0
copyright
Jason Hollinger
photographer
Jason Hollinger
original
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Mushroom Observer

General Description

provided by Mushroom Observer

Common Name: Smooth Saucer Lichen

Thin smooth whitish crust lichen with large thick-rimmed apothecia on deciduous trees.

license
cc-by-nc-sa-3.0
copyright
Jason Hollinger
photographer
Jason Hollinger
original
visit source
partner site
Mushroom Observer

Habitat

provided by Mushroom Observer

On deciduous bark, rarely conifers.

license
cc-by-nc-sa-3.0
copyright
Jason Hollinger
photographer
Jason Hollinger
original
visit source
partner site
Mushroom Observer