Placidium michelii

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Taxonavigation: Verrucariales 

Superregnum: Eukaryota
Regnum: Fungi
Subregnum: Dikarya
Divisio: Ascomycota
Subdivisio: Pezizomycotina
Classis: Eurotiomycetes
Subclassis: Chaetothyriomycetidae
Ordo: Verrucariales

Familia: Verrucariaceae
Genus: Placidium
Species: Placidium michelii


Placidium michelii A. Massal., 1856

World distribution: Widely distributed but scattered in Europe, Asia and North America, but not known for the Southern Hemisphere.

Homotypic synonyms[edit]

  • Catapyrenium michelii (A. Massal.) R. Sant., in Hawksworth, James & Coppins, Lichenologist 12 (1): 106 (1980)
  • Dermatocarpon michelii (A. Massal.) Zwackh, Flora, Jena 45: 537 (1862)
  • Endocarpon michelii (A. Massal.) Bausch, (1869)
  • Endopyrenium michelii (A. Massal.) Körb., (1863)



  • A. Massal., Sched. Crit. Lich. 5: 100 (1856)


  • Breuss, O. (2002) Placidium (pp. 384-393) 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.# 23103] - (Recent Literature on Lichens)** (Discussion of Placidium michelii: p. 390)
  • Prieto, M.; Aragón, G. and Martínez, I. (2010) The genus Catapyrenium s. lat. (Verrucariaceae) in the Iberian Peninsula and the Balearic Islands. The Lichenologist 42 (6): 637–684.   **[RLL List # 221 / Rec.# 32491] - (Recent Literature on Lichens)** (doi:10.1017/S0024282910000319) (Placidium michelii is a new record for Portugal)


Vernacular names[edit]