''Physcia stellaris'' is a species of lichen. It is pale grey, but darker in the centre, and lacks isidia, lobules, soredia and pruina. It tests negative with potassium hydroxide.
Similar species: Lecanorales
By Christine Young
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Uploaded May 20, 2020. Captured Mar 12, 2020 14:07 in 91 Main St, Sharon, CT 06069, USA.
