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
Canada- Chamalières
- Royat
98
France- Benítsai
- Gastoúrion
- Kynopiástai
- Virós
Ionian Islands- Filótion
South Aegean
Greece- Syfteland
Hordaland
Norway- Santa Cruz de Tenerife
- Sauzal
- Tacoronte
Canary Islands
Spain- Şalinfah
Latakia
Syrian Arab Republic- Inverness
California- East Hampton
Connecticut- Grand Marais
Minnesota- Bellingham
- Long Beach
Washington
United States