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

• Species: Bacidia incompta (Borrer ex Hook.) Anzi
• Remark: see: Bellicidia incompta (Borrer) Kistenich, Timdal, Bendiksby & S. Ekman
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Bacidia laurocerasi (Delise ex Duby) Zahlbr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• kirss-mõhnsamblik

• Species: Bacidia polychroa (Th. Fr.) Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bacidia pycnidiata Czarnota & Coppins
• Remark: see: Bacidina pycnidiata
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Bacidia rubella (Hoffm.) A. Massal.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• punakas mõhnsamblik

• Species: Bacidia sabuletorum (Schreb.) Lettau
• Remark: see: Bilimbia sabuletorum
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Bacidia subincompta (Nyl.) Arnold
• Remark: see: Toniniopsis subincompta (Nyl.) Kistenich, Timdal, Bendiksby & S. Ekman
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Bacidia vermifera (Nyl.) Th. Fr.
• Remark: see: Bibbya vermifera
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Bacidina arnoldiana (Körb.) V. Wirth & Vězda
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bacidina chloroticula (Nyl.) Vězda & Poelt
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bacidina egenula (Nyl.) Vězda
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bacidina inundata (Fr.) Vězda
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bacidina phacodes (Körb.) Vězda
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bactrospora dryina (Ach.) A. Massal.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Baeomyces carneus Flörke
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• kahvatu seensamblik

• Species: Baeomyces placophyllus Ach.
• Remark: excluded as misidentification: re-identified as Baeomyces rufus
• Fungus type: lichenized
• Treatment in Estonia: misidentification

• Species: Baeomyces rufus (Huds.) Rebent.
• Remark: includes earlier misidentification of Baeomyces placophyllus Ach.
• Fungus type: lichenized
• Treatment in Estonia: certain
• pruun seensamblik

• Species: Bagliettoa steineri (Kušan) Vězda
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Bellemerea alpina (Sommerf.) Clauzade & Cl. Roux
• Remark: excluded as misidentification: re-identified as Aspicilia cinerea and Lobothallia radiosa
• Fungus type: lichenized
• Treatment in Estonia: misidentification

• Species: Bellemerea cinereorufescens (Ach.) Clauzade & Cl. Roux
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: doubtful extinct

• Species: Biatora chrysantha (Zahlb.) Printzen
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Biatora efflorescens (Hedl.) Räsänen
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Biatora globulosa (Flörke) Fr.
• Remark: earlier under Lecania hyalina (Fr.) R. Sant. and Bacidia globulosa (Flörke) Hafellner & V. Wirth
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Biatora helvola Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

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