Page author: Crow Vecchio
Cetraria aculeata

Distribution: Washington; Alaska, Idaho, Montana, Wyoming, Colorado; Northern and northwestern Canadian provinces.

Habitat: Among heath in alpine and arctic habitats.

Conservation Status: Not of concern


Thallus brownish-red and spiny, forming cushions. Branches rounded or angular, up to 2 mm in width, longitudinally grooved or ridged, with deep, broad pseudo cyphellae up to 0.6 mm long and 0.3 mm in width.

Accepted Name:
Cetraria aculeata (Schreber) Fr.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Cetraria aculeata in the Consortium of Pacific Northwest Herbaria database.

CalPhotos: Cetraria aculeata photos.

USDA Plants: Cetraria aculeata information.

2 photographs:
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