Verrucaria nigrescens
species of lichen in the family Verrucariaceae
Domain: Eukaryota • Regnum: Fungi • Phylum: Ascomycota • Subphylum: Pezizomycotina • Classis: Eurotiomycetes • Subclassis: Chaetothyriomycetidae • Ordo: Verrucariales • Familia: Verrucariaceae • Genus: Verrucaria • Species: Verrucaria nigrescens Pers. 1795
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Verrucaria nigrescens
Germany - Schwäbische Alb