Mustard lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Teloschistales
- family: Physciaceae
- genus: Pyxine
- species: Pyxine sorediata
- Bulahdelah
New South Wales
Australia- Ottawa
Ontario
Canada- Dayan
Yunnan
China- Putla de Guerrero
Oaxaca
Mexico- Nuwara Eliya
Central
Sri Lanka- Auburn
- Bay Minette
- Fairhope
- Redstone Arsenal
Alabama- Berryville
Arkansas- Wilmington
Delaware- Lookout Mountain
Georgia- Greenwood
Louisiana- Athol
Massachusetts- Carlton
Minnesota- Closter
- Demarest
- Harrington Park
- Manahawkin
- Norwood
- Olivet
- Ringwood
New Jersey- Port Jervis
New York- Danbury
- Gatesville
- Winston-Salem
North Carolina- Chattanooga
- Lookout Mountain
- Sewanee
Tennessee- College Station
Texas- Bedford
- Blacksburg
- Marion
- Ruckersville
- Woodlawn
Virginia- Saint Croix Falls
Wisconsin
United States