Checklist of lichens of Guernsey (Channel Islands)
Version 31 December 2018
- Cladonia rangiformis Hoffm. - Seaward (2002: 65)
- Flavoparmelia caperata (L.) Hale - Seaward (2002: 65 sub Parmelia caperata)
- Ramalina cuspidata (Ach.) Nyl. - Rhodes (HBG: without number), Seaward (2002: 65)
- Ramalina siliquosa (Huds.) A. L. Sm. - Seaward (2002: 65)
- Roccella fuciformis (L.) DC. - Seaward (2002: 65)