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Project Noah Nature School
Pleopsidium chlorophanum
This crustose lichen is characterized by its bright neon yellow color, cracked thallus and lobed margins. Always found in association with other crustose lichens. Grows in a radiating pattern which sometimes merge together to form a large mosaic (pic 5).
Spotted on exposed vertical basalt rock at the Columbia National Wildlife Refuge.
Spotted on Jul 8, 2019
Submitted on Jul 20, 2019
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