Mustard kidney lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Peltigerales
- family: Nephromataceae
- genus: Nephroma
- species: Nephroma laevigatum
Bowen Island
Oak Bay
Victoria
British Columbia
CanadaChamalières
Royat
98
FranceBenítsai
Gastoúrion
Kynopiástai
Virós
Ionian IslandsFilótion
South Aegean
GreeceSyfteland
Hordaland
NorwaySanta Cruz de Tenerife
Sauzal
Tacoronte
Canary Islands
SpainŞalinfah
Latakia
Syrian Arab RepublicInverness
CaliforniaEast Hampton
ConnecticutGrand Marais
MinnesotaBellingham
Long Beach
Washington
United States