Dark brown speck lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Eurotiomycetes
- order: Verrucariales
- family: Verrucariaceae
- genus: Verrucaria
- species: Verrucaria nigrescens
Alland- Bad Pirawarth
- Berndorf
- Bockfließ
- Drösing
- Eschenau
- Fallbach
- Gaweinstal
- Gloggnitz
- Groß-Engersdorf
- Großharras
- Großrußbach
- Günselsdorf
- Hürm
- Kapelln
- Karlstetten
- Kleinzell
- Leiben
- Lengenfeld
- Marchegg
- Mistelbach
- Niederleis
- Ottenthal
- Pottenstein
- Raasdorf
- Rabensburg
- Rohrbach an der Gölsen
- Schwarzenau
- Spannberg
- Spitz
- Stratzing
- Waidhofen an der Ybbs
Lower Austria
Austria
Zlaté Hory
Olomoucký- Dolní Dunajovice
- Hlohovec
- Valtice
South Moravian
Czech Republic
Balderschwang- Kirchham
- Laufen
- Passau
- Piding
- Tittmoning
Bavaria- Heiligengrabe
Brandenburg- Bobenheim am Berg
- Dackenheim
- Herxheim am Berg
- Kallstadt
- Weisenheim am Berg
Rheinland-Pfalz
Germany
Emporeío
South Aegean
Greece
Szentgotthárd
Vas
Hungary
Bratislava
Bratislavský
Slovakia
Kuzma
Kuzma
Slovenia
Collbató
Catalonia
Spain
Varberg
Halland- Borgholm
Kalmar- Hässleholm
Skåne- Axvall
- Brålanda
- Diseröd
- Kvänum
- Källby
- Nossebro
- Olofstorp
- Sjuntorp
- Skepplanda
- Skultorp
- Sollebrunn
- Trollhättan
- Vänersborg
Västra Götaland- Berg
Östergötland
Sweden
Walzenhausen
Appenzell Ausserrhoden- Rheineck
Saint Gallen
Switzerland
Gateshead- Newcastle upon Tyne
England
United Kingdom
Santa Cruz
California- Brownsville
Kentucky- Granite Falls
Minnesota- Van Buren
Missouri- Dover Plains
New York- Spearfish
South Dakota- Prescott
Wisconsin
United States