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Cobalt Crust

Terana caerulea


Vibrant, velvet blue saprobic fungus on a fallen tree.


A fallen tree in moist, dense mixed hardwood forest.


The blue pigment responsible for the vibrant hue is thelephoric acid. According to wikipedia: "Thelephoric acid has been shown to inhibit prolyl endopeptidase, an enzyme that has a role in processing proteins (specifically, amyloid precursor protein) in Alzheimer's disease."

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Spotted by

Georgia, USA

Lat: 34.58, Long: -84.69

Spotted on Jul 29, 2017
Submitted on Jul 29, 2017

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