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Lecidea fuscoatra 98284.jpg
Lecidea fuscoatra
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Lecanoromycetes
Order: incertae sedis
Family: Lecideaceae
Genus: Lecidea
Ach. (1803)
Type species
Lecidea fuscoatra
(L.) Ach. (1803)

Stereonema Kütz. (1836)
Sporoacania A.Massal. (1855)
Cladopycnidium H.Magn. (1940)
Lecideomyces E.A.Thomas ex Cif. & Tomas. (1953)
Nothoporpidia Hertel (1984)
Zosterodiscus Hertel (1984)

Lecidea is a genus of crustose lichens with a carbon black ring or outer margin (exciple) around the fruiting body disc (apothecium), usually (or always) found growing on (saxicolous) or in (endolithic) rock.[2]:298 Lichens that have such a black exciple are called lecideine, meaning "like Lecidea, even if they are not in this genus.[2]:14 Members of the genus are commonly called disk lichens or tile lichens.[2]:298

Selected species[edit]

According to the Dictionary of the Fungi (10th edition, 2008), the widespread genus contains an estimated 427 species.[3]


  1. ^ "Lecidea Ach. 1803". MycoBank. International Mycological Association. Retrieved 2011-04-29. 
  2. ^ a b c Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
  3. ^ Kirk PM, Cannon PF, Minter DW, Stalpers JA (2008). Dictionary of the Fungi (10th ed.). Wallingford, UK: CABI. p. 366. ISBN 978-0-85199-826-8. 

External links[edit]