Powdery axil-bristle lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Lecanorales
- family: Parmeliaceae
- genus: Myelochroa
- species: Myelochroa aurulenta
Bells Corners
Ontario
CanadaHashtpar
Gīlān
Iran, Islamic Republic OfEast Hampton
ConnecticutMount Carmel
IllinoisPineville
KentuckyGray Summit
Ironton
Riverview
MissouriBarnegat
Cinnaminson
Olivet
Ringwood
Riverton
White Horse
New JerseyCarmel
Dover Plains
Pound Ridge
New YorkDanbury
Gatesville
Lake Waccamaw
North CarolinaPeninsula
OhioHershey
Kulpmont
Leesport
Mountainhome
Tinicum
Towamensing Trails
PennsylvaniaManchester
TennesseeRuckersville
Williamsburg
VirginiaWinfield
West VirginiaMount Horeb
Wisconsin
United States