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Verrucaria fuscoatroides Servít  
Family: Verrucariaceae
Verrucaria fuscoatroides image
Gerhard Neuwirth  
Verrucaria fuscoatroides image
Othmar Breuss  
Verrucaria fuscoatroides image
Jason Hollinger  
Verrucaria fuscoatroides image
Jason Hollinger