Page author: Crow Vecchio
Arthonia radiata

Distribution: West of Cascades crest in Washington; Southern California and Arizona, Minnesota, Iowa, Missouri, Wisconsin, Michigan, Illinois, Indiana, New York, Maine, Vermont, New Hampshire, Massachusetts, Rhode Island, Connecticut; west of Cascades in British Columbia, northeastern Canada.

Habitat: In forest.

Substrate: On bark, esp. hardwood.

Conservation Status: Not of concern


Thallus white to pale green, occurring in small patches. Ascomata black, branching, <1.5 mm in length, 0.1-0.2 mm in width, forming asteriated clusters.

Accepted Name:
Arthonia radiata (Pers.) Ach.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Arthonia radiata in the Consortium of Pacific Northwest Herbaria database.

CalPhotos: Arthonia radiata photos.

USDA Plants: Arthonia radiata information.

1 photographs:
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