• Species: Arthonia digitatae Hafellner
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Arthonia dispersa (Schrad.) Nyl.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Arthonia epiphyscia Nyl.
• Remark: see: Bryostigma epiphyscium
• Fungus type: lichenicolous
• Treatment in Estonia: synonym

• Species: Arthonia farinacea (H. Olivier) R. Sant.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Arthonia galactinaria Leight.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Arthonia glaucomaria Nyl.
• Remark: see: Arthonia varians
• Fungus type: lichenicolous
• Treatment in Estonia: synonym

• Species: Arthonia incarnata Almq.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Arthonia intexta Almq.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Arthonia lapidicola (Taylor) Branth. & Rostr.
• Remark: see: Bryostigma lapidicola (Taylor) S.Y. Kondr. & Hur
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Arthonia leucopellaea (Ach.) Almq.
• Remark: see: Felipes leucopellaeus (Ach.) Frisch & G. Thor
• Fungus type: lichenized
• Treatment in Estonia: synonym
• valkjas tähnsamblik

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