Home/Species/ Chiseled Sunken Disk Lichen

Circinaria contorta

(Hoffm.) A. Nordin, S. Savic & Tibell

Chiseled Sunken Disk Lichen

G5Secure Found in 1 roadless area NatureServe Explorer →

G5SecureGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.127281

Element CodeNLT0003350

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryFungus

KingdomFungi

PhylumAscomycota

ClassLecanoromycetes

OrderPertusariales

FamilyMegasporaceae

GenusCircinaria

Synonyms

Aspicilia contorta(Hoffm.) Krempelh.

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. As supplied by USDA, NRCS from The PLANTS database. National Plant Data Center, Baton Rouge, LA. Version: November 19, 1997.

Taxonomic Comments

Esslinger (2018) transfers Aspicilia contorta to Circinaria contorta; these represent the same concept for the element.

Conservation Status

Review Date2001-10-24

Change Date2002-05-30

Edition Date2001-10-24

Edition AuthorsK. McConnell

Rank Reasons

This lichen, which predominantly grows on rocks, is found throughout the western U.S. from the Great Lakes region west to California and in southern portions of western Canada; It is conspicuously absent from the western-most portions of California and Oregon.

Ecology & Habitat

Other Nations (2)

CanadaN5

Province	Rank	Native
British Columbia	S5	Yes
Ontario	S4	Yes
Saskatchewan	S3	Yes
Alberta	SU	Yes
Yukon Territory	SU	Yes

United StatesNNR

Province	Rank	Native
Kentucky	S2	Yes
Colorado	SNR	Yes
Montana	SNR	Yes
Pennsylvania	SNR	Yes
Wyoming	SNR	Yes
Minnesota	SNR	Yes
Georgia	SNR	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (1)

Washington (1)

Area	Forest	Acres
Bear Creek	Gifford Pinchot National Forest	7,980

References (3)

Brodo, I. M., S. D. Sharnoff and S. Sharnoff. 2001. Lichens of North America. Yale University Press. New Haven and London. 795 pp.
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/]
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. As supplied by USDA, NRCS from The PLANTS database. National Plant Data Center, Baton Rouge, LA. Version: November 19, 1997.