• 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: Agonimia gelatinosa (Ach.) M. Brand & Diederich
• Remark: earlier under Polyblastia gelatinosa (Ach.) Th. Fr.
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Agonimia globulifera M. Brand & Diederich
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Agonimia tristicula (Nyl.) Zahlbr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Alectoria sarmentosa (Ach.) Ach.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• oksa-tuustsamblik

• Species: Amandinea cacuminum (Th. Fr.) H. Mayrhofer & Sheard
• Remark: earlier under Rinodina cacuminum (Th. Fr.) Malme
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Amandinea coniops (Wahlenb.) Scheid. & H. Mayrhofer
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Amandinea punctata (Hoffm.) Coppins & Scheid.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Amygdalaria panaeola (Ach.) Hertel & Brodo
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain extinct

• Species: Anaptychia ciliaris (L.) Körb. var. ciliaris
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: synonym
• harilik ripssamblik

• Species: Anaptychia ciliaris var. melanosticta (Ach.) Boistel
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: synonym
• meri-ripssamblik

• Species: Anaptychia runcinata (With.) J.R. Laundon
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• tõmmu ripssamblik

• Species: Anisomeridium biforme (Borrer) R.C. Harris
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Anisomeridium polypori (Ellis & Everh.) M.E. Barr
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Arctoparmelia centrifuga (L.) Hale
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• sõõr-põhjasamblik

• Species: Arctoparmelia incurva (Pers.) Hale
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• pais-põhjasamblik

• Species: Arthonia apatetica (A. Massal.) Th. Fr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Arthonia byssacea (Weigel) Almq.
• Remark: see: Inoderma byssaceum (Weigel) Gray
• Fungus type: lichenized
• Treatment in Estonia: synonym
• rant-tähnsamblik

• Species: Arthonia caerulescens (Almq.) R. Sant.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Arthonia cinnabarina (DC.) Wallr.
• Remark: see: Coniocarpon cinnabarinum DC.
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Arthonia didyma Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

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