• Species: Usnea glabrescens (Vain.) Vain.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• jäik habesamblik

• Species: Usnea hirta (L.) F.H. Wigg.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• kahar habesamblik

• Species: Usnea lapponica Vain.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• lapi habesamblik

• Species: Usnea longissima Ach.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: doubtful extinct
• hiid-habesamblik

• Species: Usnea scabrata Nyl.
• Remark: see: Usnea barbata
• Fungus type: lichenized
• Treatment in Estonia: synonym
• kare habesamblik

• Species: Usnea subfloridana Stirt.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• vars-habesamblik

• Species: Usnea substerilis Motyka
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• laik-habesamblik

• Species: Usnea wasmuthii Räsänen
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• Wasmuthi habesamblik

• Species: Varicellaria rhodocarpa (Körb.) Th. Fr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: doubtful extinct

• Species: Verrucaria acrotella Ach.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

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