Tephromela eviolacea is a species of corticolous, crustose lichen in the family Tephromelataceae.

[1] Found the Pacific Northwest of the United States[2] at middle elevations,[3] this lichen usually grows on bark of maple trees, but has also has been reported from pines, Douglas fir, and Umbellularia californica.

[3] Typically lichen in the genus Tephromela have violet coloration of their hymenium; T. eviolacea is distinguishable for being the only lichen in this region lacking this trait.

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