| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Abgliophragma | 1 | 0 | 0 |
| Abgliophragma setosum R. Y. Roy & Gujarati 1966 | 0 | 2 | 0 |
| Abrothallaceae | 1 | 0 | 0 |
| Abrothallales | 1 | 0 | 0 |
| Abrothallus | 1 | 0 | 0 |
| Abrothallus bertianus De Not. 1849 | 0 | 2 | 0 |
| Abrothallus caerulescens I. Kotte 1909 | 0 | 2 | 0 |
| Abrothallus cetrariae I. Kotte 1909 | 0 | 2 | 0 |
| Abrothallus cladoniae R. Sant. & D. Hawksw. 1990 | 0 | 2 | 0 |
| Abrothallus curreyi Linds. 1867 | 0 | 2 | 0 |
| Abrothallus microspermus Tul. 1852 | 0 | 2 | 0 |
| Abrothallus parmeliarum (Sommerf.) Nyl. 1869 | 0 | 2 | 0 |
| Abrothallus parmotrematis Diederich 2011 | 0 | 2 | 0 |
| Abrothallus prodiens (Harm.) Diederich & Hafellner 1990 | 0 | 2 | 0 |
| Abrothallus suecicus (Kirschst.) Nordin 1964 | 0 | 2 | 0 |
