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Verrucaria viridula (Schrader) Ach.  
Family: Verrucariaceae
[Amphoridium leightonii (A. Massal.) Arnold,  more]
Verrucaria viridula image
Gerhard Neuwirth  
Verrucaria viridula image
Othmar Breuss  
Verrucaria viridula image
Othmar Breuss  
Verrucaria viridula image
Verrucaria viridula image
Verrucaria viridula image
Verrucaria viridula image
Verrucaria viridula image
Verrucaria viridula image
Verrucaria viridula image
Verrucaria viridula image