Arthonia
| Arthonia | |
|---|---|
 |
|
| Arthonia radiata | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Arthoniomycetes |
| Order: | Arthoniales |
| Family: | Arthoniaceae |
| Genus: |
Arthonia Ach. (1806) |
| Type species | |
|
Arthonia radiata (Pers.) Ach. (1808) |
|
| Species | |
|
See text |
|
See text
Arthonia is a genus of lichens in the family Arthoniaceae. It was circumscribed by Swedish botanist Erik Acharius in 1806.
It is a genus of thin crustose lichen of widely varying forms, commonly called comma lichens.
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)
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