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Project Noah Nature School
Porpidia crustulata
A crustose lichen with a thin thallus that has an orange tinge. Apothecia - black and abundant, 0.5-1.5 mm diam., scattered or in small clusters or aligned, disc flat.
Spotted on a rock along the Huckleberry trail at Sunrise, Mount Rainier National Park. Exposed to the sun.
Spotted on Jul 13, 2019
Submitted on Jul 14, 2019
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