Gyalecta truncigena

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Taxonavigation: Gyalectales 

Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Lecanoromycetes
Subclassis: Ostropomycetidae
Ordo: Gyalectales

Familia: Gyalectaceae
Genus: Gyalecta
Species: Gyalecta truncigena


Gyalecta truncigena (Ach.) Hepp, 1853

Substrate and ecology: Usually on nutrient-rich bark of mature trees, mostly Acer, Ulmus and Fraxinus, but also Quercus or Salix; sometimes on wood

World distribution: Probably circum-boreal-temperate in the Northen Hemisphere, in Europe, Greenland and North America

  • Gyalecta wahlenbergiana var. truncigena Ach., 1810


  • Gyalecta wahlenbergiana var. truncigena Ach., Lich. univ. (1810)
  • Lecidea truncigena (Ach.) Nyl., Mém. Soc. Imp. Sci. Nat. Cherbourg 3: 132 (1855)
  • Lichen truncigenus (Ach.) Lam., 1813


Primary references[edit]

  • Hepp, Flecht. Europ.: no. 27 (1853)
  • Hepp (1853) Das Flechtensystem von Ph. Hepp und Naegeli. - In: Die Flechten Europas in getrockneten mikroskopisch untersuchten Exemplaren (12 vols. with 716 nrs., 1853-1864). Bd. I. \Zürich.   **[Mattick Rec.# 33183] - (Recent Literature on Lichens - Mattick No.)**

Additional references[edit]

  • Dobson, F.S. (2000) (Fourth edition) Gyalecta (pp. 164-165) In, Lichens: An illustrated guide to the British and Irish species. The Richmond Publishing Co., Ltd., Slough, England, 431 pp.   **[RLL List # 184 / Rec.# 22402] - (Recent Literature on Lichens)** (Discussion of Gyalecta truncigena: pp. 164-165; map: p. 165)
  • James, P.W. and Woods, R.G. (1992) Gyalecta Ach. (1808) (pp. 259-262) In: Purvis, O.W., Coppins, B.J., Hawksworth, D.L., James, P.W. and Moore, D.M. (eds.) The Lichen Flora of Great Britain and Ireland. London: Natural History Museum Publication, 710 pp.   **[RLL List # 151 / Rec.# 15105] - (Recent Literature on Lichens)** (Discussion of Gyalecta truncigena, p. 261; diagram of ascospores: p. 269, fig. 14b)
  • Ryan, B.D. and Nimis (2004) Gyalecta (pp. 122-125) In: Nash III, T.H.; Ryan, B.D.; Diederich, P.; Gries, C. and 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.# 25902] - (Recent Literature on Lichens)** (Discussion of Gyalecta truncigena:p 125)
  • Thomson, J.W. (1997) Gyalecta Ach. (pp. 237-242) 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 Gyalecta truncigena: p. 242)
  • Thomson, J.W. (2003) Gyalecta Ach. (p. 106) In, Lichens of Wisconsin. Wisconsin State Herbarium, University of Wisconsin-Madison, 386 pages.   **[RLL List # 190 / Rec.# 24161] - (Recent Literature on Lichens)** (Discussion of Gyalecta truncigena: p. 106)
  • Wirth, V. (1995) Gyalecta Ach. (pp. 407-413) - Teil 1) In, Die Flechten Baden-Württembergs, Teil 1 & 2. Eugen Ulmer GmbH & Co., Stuttgart. 1006 pp.; in German.   **[RLL List # 159 / Rec.# 20405] - (Recent Literature on Lichens)** (Discussion of Gyalecta truncigena: p. 412)


Links to photos[edit]

Vernacular names[edit]

English: Dimple lichen