• Species: Abrothallus bertianus De Not.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Abrothallus caerulescens Kotte
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Abrothallus parmeliarum (Sommerf.) Arnold
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Abrothallus peyritschii (Stein) Kotte
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Abrothallus prodiens (Harm.) Diederich & Hafellner
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Abrothallus suecicus (Kirscht.) Nordin
• Remark: includes Vouauxiomyces ramalinae (Nordin) D. Hawksw. as anamorph
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Abrothallus usneae Rabenh.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Absconditella celata Döbbeler & Poelt
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Absconditella delutula (Nyl.) Coppins & H. Kilias
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Absconditella lignicola Vězda & Pišút
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species:
• Remark:
• Fungus type:
• Treatment in Estonia: