Taxonavigation

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Taxonavigation: Caliciales 

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

Familia: Physciaceae
Genus: Physconia
Species: Physconia fallax

Name

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Physconia fallax Essl., 2000


Diagnosis: Thallus foliaceus, usque ad 4 cm diametro, superne griseus vel griseo-fuscus et plus minusve pruinosus, sorediatus; soraliis pro parte marginalibus vel axillaribus, elongatis et cucullatis; subtus fuliginosus vel nigrescens, rhizinatus; rhizinis squarroso-ramosis, nigrescentibus.

Type: U.S.A. California. Ventura Co.: Ozena Campground, Lockwood Valley Road, Los Padres National Forest, Bratt 11189 (DUKE, holotype; GZU, SBBG, TLE, isotypes).

Substrate and ecology (Sonoran region:) On bark, less often rock.

World distribution: western North America: Washington, California and Baja California (Guadalupe Island)

References

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  • Esslinger, T.L. (2000) A Key for the Lichen Genus Physconia in California, with Descriptions for Three New Species Occurring within the State. Bulletin of the California Lichen Society 7 (1): 2–6.   (RLL List # 180 / Rec. # 20982 - Recent Literature on Lichens) (PDF file) (Web site) (Description of Physconia fallax: pp. 4-5; black-and-white photos: p. 4, figs. 3 & 4)
  • Esslinger, T. L. (2002) Physconia (pp. 373-383) 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. # 23101 - Recent Literature on Lichens) (Description of Physconia fallax: pp. 378-379; distribution map for the Sonoran region: p. 379; black-and-white photo: p. 378, fig. 74)

Vernacular names

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