Physconia isidiomuscigena
Taxonavigation
edit| Taxonavigation: Caliciales |
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Superregnum: Eukaryota |
Familia: Physciaceae
Genus: Physconia
Species: Physconia isidiomuscigena
Name
editPhysconia isidiomuscigena Essl., 2000
Diagnosis: Thallus foliaceus, usque ad 11 cm diametro, superne griseo-fuscus vel brunneus, pruinosus, sorediatus-isidiatus;
sorediis irregularibus, granulosis et isidiascentibus, marginalibus vel laminalibus; subtus fuscus vel nigrescens, rhizinatus; rhizinis nigrescentibus, squarroso-ramosis.
Type: U.S.A. Arizona. Coconino Co. Grand Canyon National Park, Grandview Trail; 36°00’N, 111°59’W, 1980 m, Nash 30843 (ASU, holotype; TLE, isotype).
Substrate and ecology (Sonoran region:) On rock or mosses over rock; rare on bark
World distribution: western North America: Utah, Colorado, Arizona and California
References
edit- 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 isidiomuscigena: pp. 5-6; black-and-white photos: p. 6, figs. 5 & 6)
- 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 isidiomuscigena: pp. 379-380; distribution map for the Sonoran region: p. 380; black-and-white photo: p. 380, fig. 75)