• Species: Acarospora veronensis A. Massal.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Acarospora versicolor Bagl. & Carestia
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Acremonium antarcticum (Speg.) D. Hawksw.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Acrocordia cavata (Ach.) R.C. Harris
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• väike kühmsamblik

• Species: Acrocordia conoidea (Fr.) Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Acrocordia gemmata (Ach.) A. Massal.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• suur kühmsamblik

• Species: Acrocordia salweyi (Keight. Ex Nyl.) A.L. Sm.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Adelococcus alpestris (Zopf) Zopf ex Arnold
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Adelolecia kolaënsis (Nyl.) Hertel & Rambold
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Agonimia allobata (Stizenb.) P. James
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

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