Umbilicaria decussata

Taxonavigation edit

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

Umbilicaria decussata (Vill.) Zahlbr., 1932

Substrate and ecology: On siliceous rocks, boreal to low alpine vegetation zones, usually under snow in winter

World distribution: Europe, Asia, North and South America, Antarctica

Basionym
- Lichen decussatus Vill., Hist. pl. Dauphiné 3: 964 (1789)
Homotypic
- Agyrophora decussata (Vill.) Gyeln., 1932
- Gyrophora decussata (Vill.) Zahlbr., Cat. Lich. Univers. 4: 678 (1927)
- Omphalodiscus decussatus (Vill.) Schol., 1936

Zahlbruckner, A. 1931–1932. Catalogus Lichenum Universalis 8, page 490. Online.

Brodo, I.M., Sharnoff, S.D. & Sharnoff, S. 2001. Lichens of North America. 795 pp., Yale University Press, New Haven, Conn. London. ISBN 0-300-08249-5 Reference page. Umbilicaria (pp. 696–709). RLL List # 184 / Rec.# 22465] - (Recent Literature on Lichens) (Discussion of Umbilicaria decussata pp. 701–702; distribution map for North America: p. 701; color photo: p. 702, plate 861)
Hestmark, G. 2004. Umbilicaria (pp. 548–556) In: Nash III, T.H., Ryan, B.D., Diederich, P., Gries, C. & Bungartz, F. (eds.), Lichen Flora of the Greater Sonoran Desert Region, Vol. 2. Lichens Unlimited, Arizona State University, Tempe, Arizona, 742 pages. [RLL List # 196 / Rec.# 25973] - (Recent Literature on Lichens) (Discussion of Umbilicaria decussata: p. 551)
St. Clair, L.L. 1999. Umbilicaria Hoffm. (pp. 198–203) 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) (Discussion of Umbilicaria decussata and color photo: p. 200)