| Arthothelium | |
|---|---|
| Arthothelium spectabile | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Arthoniomycetes |
| Order: | Arthoniales |
| Family: | Arthoniaceae |
| Genus: |
Arthothelium A. Massal. |
| Type species | |
|
Arthothelium scandinavicum Th. Fr. |
|
Arthothelium is a lichenized genus of fungi in the family Arthoniaceae.
Photograph of an ascus from A. spectabile taken through a compound microscope (x1000), showing a ballon-shaped ascus containing eight, hyaline, muriform spores.