Placynthium asperellum

Taxonavigation edit

Taxonavigation: Collematineae 

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

Familia: Placynthiaceae
Genus: Placynthium
Species: Placynthium asperellum

Name edit

Placynthium asperellum (Ach.) Trevisan, 1869

Synonyms edit

  • Basionym
    • Collema asperellum Ach., Lichenogr. Univ.: 629 (1810)
  • Homotypic
    • Lecidea asperella (Ach.) Th.Fr., 1857
    • Lecothecium asperellum (Ach.) Th.Fr., 1861
    • Lichen asperellus (Ach.) Wahlenb., 1812
    • Pannaria asperella (Ach.) Nyl., 1891
    • Parmelia aspratilis Ach., Lich. univ. 2: 152 (1810)
    • Patellaria asperella (Ach.) Spreng., 1827
    • Placynthium aspratile (Ach.) Henssen, Can. J. Bot. 41: 1699 (1963)
    • Pterygium asperellum (Ach.) Nyl., 1859 [1858-59]
    • Toninia asperella (Ach.) A.Massal., 1855
  • Heterotypic
  • World distribution: Northern Hemisphere

References edit

Primary references edit

Additional references edit

  • Gilbert, O.L. & James, P.W. 1992. Placynthium (Ach.) Gray 1812. Pp. 476–479 in: Purvis, O.W., Coppins, B.J., Hawksworth, D.L., James, P.W., & 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 Placynthium asperellum: p. 477)
  • Schultz, M. 2002. Placynthium. Pp. 397–399) in: Nash III, T.H., Ryan, B.D., Gries, C. & 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.# 23105] - (Recent Literature on Lichens)** (Discussion of Placynthium asperellum: pp. 397–398)
  • Thomson, J.W. 2003. Placynthium (Ach.) Gray. Pp. 189–190 in: Lichens of Wisconsin. Wisconsin State Herbarium, University of Wisconsin-Madison, 386 pages.   **[RLL List # 190 / Rec.# 24161] - (Recent Literature on Lichens)** (Discussion of Placynthium asperellum: p. 190)
  • Wirth, V. 1995. Placynthium (Ach.) S. Gray (pp. 745-749) - Teil 2 - 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 Placynthium asperellum: p. 746)

Links edit

Links to Photos edit

Vernacular names edit

English: Blackthread lichen