| Lecidea laboriosa | |
|---|---|
| |
| Lecidea laboriosa on granite | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Lecideales |
| Family: | Lecideaceae |
| Genus: | Lecidea |
| Species: | L. laboriosa
|
| Binomial name | |
| Lecidea laboriosa | |
Lecidea laboriosa is a species of lichen that grows inside solid rock (endolithic), with only the small black disc-like fruiting bodies (apothecia) visible above the rock surface.[2]: 301 [3] Unlike other members of the genus Lecidea, the apothecia are not lecideine in that they either lack black margins (exciples) or have gray vertically striated margins.[2]: 301 It grows all over the world in all climates.[3] It might be the most common endolithic lichen in California.[2]: 301
It is similar in appearance to Catillaria lenticularis, Polyspora simplex, and Sarcogyne clavus.[2]: 301
It is negative to lichen spot tests, K−, P−, C−.[2]: 301 [3]
- ^ Cite error: The named reference
Müller 1874was invoked but never defined (see the help page). - ^ a b c d e Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
- ^ a b c Lichen Flora of the Greater Sonoran Desert Region. Vol 2, Nash, T.H., Ryan, B.D., Gries, C., Bugartz, F., (eds.) 2001, [1]