Psora decipiens

Synonyms

• Biatora decipiens (Hedw.) Fr., 1831
• Lecanora decipiens (Hedw.) Ach., Lich. univ. (1810)
• Lecidea decipiens (Hedw.) Ach., Method. Lich.: 80 (1803)
• Lecidea decipiens var. albomarginata (Müll. Arg.) Zahlbr., Cat. Lich. Univers. 3: 871 (1925)
• Lepidoma decipiens (Hedw.) Gray, Nat. Arr. Brit. Pl. (London) 1 (1821)
• Lichen decipiens Hedw., Descr. micr.-anal. musc. frond. 2 : 7 (1789)
• Parmelia decipiens (Hedw.) Mart., 1817
• Patellaria decipiens (Hedw.) Wallr., 1831
• Peltiphylla decipiens (Hedw.) M. Choisy, Bull. mens. Soc. linn. Lyon 19: 160 (1950)
• Peltiphylla decipiens var. albomarginata (Müll. Arg.) M. Choisy, 1950
• Placodium decipiens (Hedw.) Link, 1833
• Psora decipiens var. albomarginata Müll. Arg., Flora, Jena 64: 88 (1881)
• Schaereria decipiens (Hedw.) Gyeln., 1937

Primary references

• Hoffm., Descript. Adumbr. Pl. Lich. 2, 4: 63 (1794)

• Hoffmann, G.F. 1794: Descriptio et Adumbratio plantarum e classe cryptogamica Linnaei, quae Lichenes dicuntur. 2: 681.

References

• Timdal, E. (1986) A revision of Psora (Lecideaceae) in North America. - The Bryologist 89: 253–275.   **[RLL List # 131 / Rec.# 18653] - (Recent Literature on Lichens)** (JSTOR) (PDF file - 47 MB) (Discussion of [No. 4] Psora decipiens: p. 261; black-and-white photo: p. 261, Fig. 9; distribution map for North America: p. 258, Fig. 5)

• Brodo, I.M.; Sharnoff, S.D. and Sharnoff, S. (2001) Psora (p. 597-604) In, Lichens of North America. Yale University Press, New Haven, 795 pages.   **[RLL List # 184 / Rec.# 22402] - (Recent Literature on Lichens)** (Discussion of Psora decipiens and distribution map for North America: p. 599; color photo: p. 600, plate 724)

• Dobson, F.S. (2000) (Fourth edition) Psora (pp. 328-329) In, Lichens: An illustrated guide to the British and Irish species. The Richmond Publishing Co., Ltd., Slough, England, 431 pp.   **[RLL List # 184 / Rec.# 22402] - (Recent Literature on Lichens)** (Description of Psora decipiens, map, and color photo: p. 328)

• Evankow, A., Yin, A., Zulfiqar, R., Ahmad, U.F., Nordenhaug, P., Khalid, A.N., Wang, L. & Timdal, E. 2025. Psora mediterranea (Lecanorales, Psoraceae), a new lichen species from Europe, including a new concept for P. himalayana and a revised key to the European species. Mycological Progress 24: 1–21. DOI: 10.1007/s11557-025-02045-8 Reference page. 

• Hinds, J.W. and Hinds, P.L. (2007) Psora Hoffm., 1796 (pp. 423-425) In, The Macrolichens of New England. - Memoirs of the New York Botanical Garden No. 96. New York Botanical Garden Press, Bronx, New York. 584 pp.   **[RLL List # 210 / Rec.# 30032] - (Recent Literature on Lichens)** (Discussion of Psora decipiens: pp. 423-424; color photo: p. 424, fig. 268)

• Leavitt SD, Westberg M, Nelsen MP, Elix JA, Timdal E, Sohrabi M, St. Clair LL, Williams L, Wedin M, Lumbsch HT. Multiple, distinct intercontinental lineages but isolation of Australian populations in a cosmopolitan lichen-forming fungal taxon, Psora decipiens (Psoraceae, Ascomycota). Frontiers in Microbiology. 2018 Feb 23;9:283. https://doi.org/10.3389/fmicb.2018.00283

• Purvis, O.W. and Timdal, E. (1992) Psora Hoffm. (1796) (pp. 510-512) In: Purvis, O.W., Coppins, B.J., Hawksworth, D.L., James, P.W. and Moore, D.M. (eds.) The Lichen Flora of Great Britain and Ireland. London: Natural History Museum Publication, 710 pp.   **[RLL List # 151 / Rec.# 15105] - (Recent Literature on Lichens)** (Discussion of Psora decipiens: pp. 510-511)

• St. Clair, L.L. (1999) Psora Hoffm. (pp. 164-171) In - A color guidebook to common Rocky Mountain lichens. M.L. Bean Life Science Museum of Brigham Young University Publisher, 242 pp.   **[RLL List # 180 / Rec.# 21417] - (Recent Literature on Lichens)** (Description of Psora decipiens and color photo: p. 167)

• Thomson, J.W. (1997) Psora Hoffm. (pp. 505-513) In, American Arctic Lichens: 2. The Microlichens. The University of Wisconsin Press, 675 pages.   **[RLL List # 170 / Rec.# 18517] - (Recent Literature on Lichens)** (Discussion of Psora decipiens: p. 506; distribution map for the American arctic: p. 507)

• Thomson, J.W. (2003) Psora Hoffm. (pp. 196-197) In, Lichens of Wisconsin. Wisconsin State Herbarium, University of Wisconsin-Madison, 386 pages.   **[RLL List # 190 / Rec.# 24161] - (Recent Literature on Lichens)** (Discussion of Psora decipiens: p. 197)

• Timdal, E. (2002) Psora (pp. 418-430) In: Nash III, T.H.; Ryan, B.D.; Gries, C. and Bungartz, F. (eds.), Lichen Flora of the Greater Sonoran Desert Region, Vol. 1. Lichens Unlimited, Arizona State University, Tempe, Arizona, 532 pages.   **[RLL List # 187 / Rec.# 23117] - (Recent Literature on Lichens)** (PDF file - 27 MB) (Discussion of Psora decipiens and distribution map for the Sonoran region: p. 422)

• Wirth, V. (1995) Psora Hoffm. (pp. 785-787) - Teil 2 - In, Die Flechten Baden-Württembergs, Teil 1 & 2. Eugen Ulmer GmbH & Co., Stuttgart. 1006 pp.; in German.   **[RLL List # 159 / Rec.# 20405] - (Recent Literature on Lichens)** (Discussion of Psora decipiens: p. 787; color photo: p. 786)

Links

• Psora decipiens in United States Department of Agriculture, Natural Resources Conservation Service, PLANTS Database.

• Checklist to Norwegian lichens

• Checklist of the Lichens of Australia and its Island Territories

• North American Lichen Checklist, Version (#16) 18 June 2010.

• Index Fungorum

• MycoBank

Links to photos

• Pictures of tropical lichens - Psora decipiens

• Stephen Sharnoff's Lichen Photos - Psora decipiens

• The Lichen Herbarium, Natural History Museum, University of Oslo, Norway (Photo Gallery) - Psora decipiens

• Lichen Gallery of Leif & Anita Stridvall - Psora decipiens

• Photos of British Lichens - Psora decipiens

• U.S. Forest Service - Lichens Photo Gallery (Photo by Larry St. Clair) - Psora decipiens

• iNaturalist - Psora decipiens