Platismatia tuckermanii is a foliose lichen in the Parmeliaceae. It commonly grows on the branches and trunks of conifers (spruce, pines) in forests.
Marginal pycnidia; strongly wrinkled and pitted; patterned surface; undersurface very pale to white
Similar species: Lecanorales
By Gary B
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Uploaded Apr 8, 2019. Captured May 23, 2016 16:49 in Forest Rte 471, Tower, MN 55790, USA.