Blue-gray rosette lichen
- kingdom: Fungi
- phylum: Ascomycota
- class: Lecanoromycetes
- order: Teloschistales
- family: Physciaceae
- genus: Physcia
- species: Physcia caesia
- Austria
Horní Stropnice
JihočeskýDolní Dunajovice
South Moravian
Czech RepublicKuusamo
Kymenlaakso
FinlandKirchham
Laufen
Passau
Piding
Tittmoning
BavariaTauer
BrandenburgBleialf
Mützenich
Oberlascheid
Rheinland-Pfalz
GermanySzentgotthárd
Vas
HungaryNoli
Sestri Levante
Spotorno
LiguriaPredoi - Prettau
Trentino-Alto Adige
ItalyKuzma
Kuzma
SloveniaWalzenhausen
Appenzell AusserrhodenRheineck
Saint Gallen
SwitzerlandAlderney
Great Bookham
Whitburn
England
United KingdomWoodside
CaliforniaMilford
ConnecticutCanton
IllinoisSaint Francisville
LouisianaRockland
MaineGranite Falls
MinnesotaDover Plains
New YorkMilwaukie
OregonMilford
PennsylvaniaFriday Harbor
Langley
WashingtonMarlinton
West Virginia
United States