Home/Species/ Single-spored Map Lichen

Rhizocarpon disporum

(Naeg. ex Hepp) Mull. Arg.

Single-spored Map Lichen

G4Apparently Secure (G4G5) Found in 1 roadless area NatureServe Explorer →

G4Apparently SecureGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.126822

Element CodeNLT0025760

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryFungus

Endemicoccurs (regularly, as a native taxon) in multiple nations

KingdomFungi

PhylumAscomycota

ClassLecanoromycetes

OrderLecanorales

FamilyRhizocarpaceae

GenusRhizocarpon

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.

Conservation Status

Review Date2001-11-26

Change Date2002-05-30

Edition Date2001-11-26

Edition AuthorsK. McConnell

Rank Reasons

This lichen occurs throughout the western U.S. and Canada where it usually grows in relatively open sites on siliceous rocks.

Ecology & Habitat

Other Nations (2)

United StatesNNR

Province	Rank	Native
Montana	SNR	Yes
Minnesota	SNR	Yes
Wyoming	SNR	Yes
Colorado	SNR	Yes

CanadaN4

Province	Rank	Native
Ontario	S4	Yes
Nova Scotia	SU	Yes
Nunavut	S3	Yes
Yukon Territory	SU	Yes
Saskatchewan	S3	Yes
Island of Newfoundland	SNR	Yes
Labrador	SNR	Yes
Northwest Territories	SU	Yes
Alberta	SU	Yes
Quebec	SNR	Yes
Manitoba	S3	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (1)

California (1)

Area	Forest	Acres
Cactus Springs B	San Bernardino National Forest	3,106

References (4)

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.
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