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
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Binomial name | |
Aspicilia pacifica Owe-Larss. & A.Nordin (2007)
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