Apsicilia pacifica

Apsicilia pacifica
Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Ascomycetes
Order: Pertusariales
Family: Megasporaceae
Genus: Aspicilia
Species: A. pacifica
Binomial name
Aspicilia pacifica
Owe-Larss. & A. Nordin

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]

References

  1. ↑ Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
  2. 1 2 3 4 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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