Lecidea
| Lecidea | |
|---|---|
 |
|
| 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) |
|
| Synonyms | |
|
Stereonema Kütz. (1836) |
|
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. Lichens that have such a black exciple are called lecideine, meaning "like Lecidea, even if they are not in this genus. Members of the genus are commonly called disk lichens or tile lichens.
According to the Dictionary of the Fungi (10th edition, 2008), the widespread genus contains an estimated 427 species.
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