Aspicilia pacifica
Aspicilia pacifica (pacific sunken disk lichen) is a white to grayish, brownish, or ocher crustose areolate lichen that commonly grows on siliceous rock or basalt along the seashore and in higher coastal mountains of California and Baja California.[1]: 2** [2] It has numerous small (0.1–.8 mm), round to angular apothecia toward the middle of the thallus, with concave to flat black discs that are sometimes lightened with white pruina.[2] Lichen spot test on the cortex and medulla are I−, K+ yellow to red, P+ orange, and C−.[2] Secondary metabolites include much stictic acid, and some norstictic acid.[2]
| Aspicilia pacifica | |
|---|---|
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Pertusariales |
| Family: | Megasporaceae |
| Genus: | Aspicilia |
| Species: | A. pacifica |
| Binomial name | |
| Aspicilia pacifica Owe-Larss. & A.Nordin (2007) | |
References
- Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
- Aspicilia pacifica, Lichen Flora of the Greater Sonoran Desert Region. Vol 3, Nash, T.H., Ryan, B.D., Gries, C., Bugartz, F., (eds.) 2001,
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