Caloplaca nashii is an orange[1] crustose lichen found on calcareous rocks in northern Mexico, southern California, and Baja California.[2] It is the most common of many members of the genus Caloplaca found on rocks in Joshua Tree National Park.[1] It may sometimes be slightly endolithic (growing inside solid rock).[2] It does not have elongated lobes like some other crustose lichens.[2] It has no prothallus.[2] It is in the Caloplaca fungus genus of the Teloschistaceae family.[2]
| Caloplaca nashii | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Teloschistales |
| Family: | Teloschistaceae |
| Genus: | Caloplaca |
| Species: | C. nashii
|
| Binomial name | |
| Caloplaca nashii Nav.-Ros., Gaya & Hladún
| |