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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.
Lat: 46.95, Long: -119.23
Spotted on Jul 8, 2019
Submitted on Jul 20, 2019