B. pseudofuscescens
Tqwesimáka7
Bitter lichen compounds
Bryoria fremontii
Wila
Edible lichen
Bryoria tortuosa
Toxic vulpinic acid
Selecting edible lichen
Photo by S. Sharnoff
Photo by S. Sharnoff
Photo by S. Sharnoff
A variety of similar-looking species to avoid
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