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
Scientific classification Edit this 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

edit
  1. ^ Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
  2. ^ a b c d Aspicilia pacifica, Lichen Flora of the Greater Sonoran Desert Region. Vol 3, Nash, T.H., Ryan, B.D., Gries, C., Bugartz, F., (eds.) 2001, [1]