Taxonavigation

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Taxonavigation: Lecanorales 

Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Lecanoromycetes
Subclassis: Lecanoromycetidae
Ordo: Lecanorales

Familia: Psoraceae
Genus: Psora
Species: Psora tenuifolia

Name

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Psora tenufolia Timdal, 1986


Diagnosis: Squamae ad 4 mm diam., mox elongatae, adscendentes, tenues, brunneae, vulgo pruinosae, margine albo. Apothecia laminalia, ad 1.3 mm diam., mox valde convexa, immarginata, atrobrunnea, epruinosa. Thallus acidum norsticticum et zeorinum continens.

Type: U.S.A., Alaska, valley of Okpilak River at Okpilak Lake near Mt. Michelson, 69o34'N, 144o05'W, August 1998, Thomson & Shushan 5777 (holotype, WIS)

Distribution: CANADA, Northwest Territories; U.S.A, Alaska

References

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Primary references

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  • Timdal, Bryologist 89 (4): 272 (1987) [1986]
  • Timdal, E. (1986) A revision of Psora (Lecideaceae) in North America. - The Bryologist 89 (4): 253–275.   **[RLL List # 131 / Rec.# 18653] - (Recent Literature on Lichens)** (JSTOR) (PDF file - 47 MB) (Discussion of [No. 16] Psora tenuifolia: pp. 272-273; black-and-white photo: p. 273, Fig. 30; distribution map: p. 270, Fig. 27)

References

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  • 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 tenuifolia: pp. 511 & 513; distribution map for the American arctic: p. 512)
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Vernacular names

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English: Fishscale lichen