| Subsequent combination | : | Allarthonia caesia Flot. | |
Ref: [Kirk, P.M.] (ed.), present: [23 Dec 2014]. |
| Subsequent combination | : | Arthonia caesia (Flot.) Körb. (1861) | |
Ref: [Kirk, P.M.] (ed.), present: [23 Dec 2014]. |
| Subsequent combination | : | Chrysothrix caesia (Flot.) Ertz & Tehler (2011) | |
Ref: [Kirk, P.M.] (ed.), present: [23 Dec 2014]. |
| Subsequent combination | : | Leprantha caesia (Flot.) Körb. (1855) | |
Ref: [Kirk, P.M.] (ed.), present: [23 Dec 2014]. |
| Subsequent combination | : | Plearthonis caesia (Flot.) Clem. (1909) | |
Ref: [Kirk, P.M.] (ed.), present: [23 Dec 2014]. |