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Home/Species/ Blue-gray Rosette Lichen

Physcia caesia

(Hoffman) Furnr.

Blue-gray Rosette Lichen

G5Secure Found in 11 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.126717
Element CodeNLTES11530
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryFungus
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomFungi
PhylumAscomycota
ClassLecanoromycetes
OrderLecanorales
FamilyPhysciaceae
GenusPhyscia
Other Common Names
Blue-headed Rosette Lichen (EN) Physcie gris bleuâtre (FR) Powder-back Rosette (EN)
Concept Reference
Esslinger, T.L. and R.S. Egan. 1995. A sixth checklist of the lichen-forming, lichenicolous, and allied fungi of the continental United States and Canada. The Bryologist 98(4): 467-549.
Taxonomic Comments
See J. Thomson, 1963., R. Moberg, 1990., M. Hale, 1979. Distinct.
Conservation Status
Rank MethodPre-2010 methodology converted to 2011 data model
Review Date2013-06-15
Change Date2001-01-21
Edition Date2000-12-13
Edition AuthorsMcDonald, L.
Rank Reasons
"Physcia caesia can be found on rocks, boulders, and cliffs in fairly exposed areas in eastern Canada, the Great Lakes region and New England southward to New York" (Flenniken 1999).
Ecology & Habitat
Other Nations (2)
United StatesNNR
ProvinceRankNative
MontanaSNRYes
MinnesotaSNRYes
PennsylvaniaSNRYes
ColoradoSNRYes
WyomingSNRYes
CanadaN5
ProvinceRankNative
British ColumbiaS5Yes
Yukon TerritoryS4Yes
AlbertaS3Yes
ManitobaS4Yes
NunavutS4Yes
Island of NewfoundlandSUYes
LabradorS3Yes
New BrunswickSUYes
OntarioS4Yes
Nova ScotiaS3Yes
SaskatchewanS4Yes
Northwest TerritoriesS4Yes
QuebecS5Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (11)
Alaska (11)
AreaForestAcres
Chilkat-West Lynn CanalTongass National Forest199,772
Freshwater BayTongass National Forest44,933
Game CreekTongass National Forest54,469
MadanTongass National Forest68,553
Middle KruzofTongass National Forest14,724
North KruzofTongass National Forest33,146
North WrangellTongass National Forest8,091
Prince William Sound Is.Chugach National Forest118,698
Sitka SoundTongass National Forest13,459
South KruzofTongass National Forest55,193
Tenakee RidgeTongass National Forest20,527
References (4)
  1. Esslinger, T. L. 2018. A cumulative checklist for the lichen-forming, lichenicolous and allied fungi of the continental United States and Canada, Version 22. Opuscula Philolichenum 17:6-268. [http://sweetgum.nybg.org/philolichenum/]
  2. Esslinger, T.L. and R.S. Egan. 1995. A sixth checklist of the lichen-forming, lichenicolous, and allied fungi of the continental United States and Canada. The Bryologist 98(4): 467-549.
  3. Flenniken, D.G. The Macrolichens in West Virginia. Carlisle Printing, Ohio.
  4. Hutten, M., U. Arup, O. Breuss, T. L. Esslinger, A. M. Fryday, K. Knudsen, J. C. Lendemer, C. Printzen, H. T. Root, M. Schultz, J. Sheard, T. Tønsberg, and B. McCune. 2013. Lichens and Lichenicolous Fungi of Yosemite National Park, California. North American Fungi 8(11): 1-47. doi: http://dx.doi:10.2509/naf2013.008.011