Species

Usnea ceratina (Warty beard lichen)

Usnea ceratina. Photo: (c) Jason Hollinger, some rights reserved (CC BY)

Usnea is a genus of mostly pale grayish-green fruticose lichens that grow like leafless mini-shrubs or tassels anchored on bark or twigs.:203 The genus is in the family Parmeliaceae. It grows all over the world.

— Wikipedia

Sightings

Where in Humboldt


Discussion

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