• Species: Bachmanniomyces uncialicola (Zopf) D. Hawksw.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Bacidia adastra Sparrius & Aptroot
• Remark: see: Bacidina adastra
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Bacidia arceutina (Ach.) Arnold
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bacidia bagliettoana (A. Massal. & De Not.) Jatta
• Remark: see: Toniniopsis bagliettoana (A. Massal. & De Not.) Kistenich & Timdal
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Bacidia beckhausii Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bacidia biatorina (Körb.) Vain.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• tera-mõhnsamblik

• Species: Bacidia caligans (Nyl.) A.L. Sm.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bacidia circumspecta (Nyl.) Malme
• Remark: see: Scutula circumspecta (Nyl. ex Vain.) Kistenich, Timdal, Bendiksby & S. Ekman
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Bacidia fraxinea Lönnr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• saare-mõhnsamblik

• Species: Bacidia fuscoviridis (Anzi) Lettau
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain extinct

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