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Arthonia albovirescens Nyl.  
Family: Arthoniaceae
[Arthothelium albovirescens (Nyl.) Fink]
Arthonia albovirescens image
Troy McMullin  
Arthonia albovirescens image
Arthonia albovirescens image
Arthonia albovirescens image
Arthonia albovirescens image
Arthonia albovirescens image
Arthonia albovirescens image
Arthonia albovirescens image
Gary Perlmutter  
Arthonia albovirescens image
Arthonia albovirescens image
Arthonia albovirescens image
Arthonia albovirescens image
Arthonia albovirescens image
Gary Perlmutter  
Arthonia albovirescens image