Arthonia

Arthonia is a genus of lichens in the family Arthoniaceae.[1] It was circumscribed by Swedish botanist Erik Acharius in 1806.

Arthonia
Arthonia quintaria
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Arthoniomycetes
Order: Arthoniales
Family: Arthoniaceae
Genus: Arthonia
Ach. (1806)
Type species
Arthonia radiata
(Pers.) Ach. (1808)
Species

about 300

It is a genus of thin crustose lichen of widely varying forms, commonly called comma lichens.[2]: 222 

  • Arthonia caesia
    Arthonia caesia
  • Photograph of a cross section of an apothecium of A. caesia taken through a compound microscope, x 400.
    Photograph of a cross section of an apothecium of A. caesia taken through a compound microscope, x 400.
  • Photograph of two spores (3-septate, 4-celled) from Arthonia caesia taken through a compound microscope, x 1000. (spores measure 21 x 5 micrometres)
    Photograph of two spores (3-septate, 4-celled) from Arthonia caesia taken through a compound microscope, x 1000. (spores measure 21 x 5 micrometres)

Selectes species
Main article: List of Arthonia species

References
  1. Lumbsch TH, Huhndorf SM. (December 2007). "Outline of Ascomycota – 2007". Myconet. Chicago, USA: The Field Museum, Department of Botany. 13: 1–58. Archived from the original on 2009-03-18.
  2. Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2
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