Psora pacifica

Taxonavigation

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

Familia: Psoraceae
Genus: Psora
Species: Psora pacifica

Name

Psora pacifica Timdal, 1986

Diagnosis: Squamae ad 3 mm diam., elongatae, vulgo adscendentes, badiae vel castaneae, vulgo pruinosae, vulgo laeves, margine concolori. Apothecia laminalia, ad 1.3 mm diam., plana vel modice convexa vel interdum valde convexa, brunnea, vulgo epruinosa. Thallus acidum gyrophoricum et vulgo acidum lecanoricum et acidum ignotum continens.

Type: U.S.A., California, Santa Barbara Co., Santa Cruz Island, upper end of Islay Canyon, a few mi SW of the University of California Research Station, on bare earth, alt. 300m, 8 January 1986, Weber & Bratt s. n.; Weber, Lich. Exs. COLO No. 664 (holotype, O).

Distribution: U.S.A., California; MEXICO, Baja California

References

Primary references

• Timdal, Bryologist 89 (4): 268 (1987) [1986]

• 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. 12] Psora pacifica: pp. 268-269; black-and-white photo: p. 268, Fig. 22; distribution map: p. 263, Fig. 15)

References

• 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 pacifica and distribution map for North America: p. 602; color photo: p. 603, plate 729)

• 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 pacifica: pp. 426-427; distribution map for the Sonoran region: p. 427)

Links

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

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

• Psora pacifica in Index Fungorum.

• Psora pacifica in MycoBank.

Links to photos

• Stephen Sharnoff's Lichen Photos - Psora pacifica

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

Vernacular names

English: Pacific scale lichen,   Pacific fishscale lichen