List of species and infraspecific taxa
- Species: Umbilicaria decussata (Vill.) Zahlbr.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- võrk-kõrvsamblik
- Species: Umbilicaria deusta (L.) Baumg.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- kare kõrvsamblik
- Species: Umbilicaria grisea Hoffm.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: doubtful extinct
- hall kõrvsamblik
- Species: Umbilicaria hyperborea (Ach.) Hoffm.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- põhja-kõrvsamblik
- Species: Umbilicaria nylanderiana (Zahlbr.) H. Magn.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Nylanderi kõrvsamblik
- Species: Umbilicaria polyphylla (L.) Baumg.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- hõlm-kõrvsamblik
- Species: Umbilicaria polyrrhiza (L.) Fr.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- harjas-kõrvsamblik
- Species: Umbilicaria proboscidea (L.) Schrad.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- kurd-kõrvsamblik
- Species: Umbilicaria torrefacta (Lightf.) Schrad.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- pits-kõrvsamblik
- Species: Umbilicaria vellea (L.) Hoffm.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain extinct
- suur kõrvsamblik
- Species: Unguiculariopsis lettaui (Grummann) Coppins
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Usnea articulata (L.) Hoffm.
- Remark: excluded as an erroneus record (no herbarium material)
- Fungus type: lichenized
- Treatment in Estonia: misidentification
- põis-habesamblik
- Species: Usnea barbata (L.) Weber ex F.H. Wigg.
- Remark: earlier under Usnea scabrata Nyl.
- Fungus type: lichenized
- Treatment in Estonia: certain
- kare habesamblik
- Species: Usnea chaetophora Stirt.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- hõre habesamblik
- Species: Usnea dasopoga (Ach.) Nyl.
- Remark: earlier under Usnea filipendula; includes Usnea diplotypus
- Fungus type: lichenized
- Treatment in Estonia: certain
- pikk habesamblik
- Species: Usnea diplotypus Vain.
- Remark: see: Usnea dasopoga
- Fungus type: lichenized
- Treatment in Estonia: included in other taxon
- narmas-habesamblik
- Species: Usnea filipendula Stirt.
- Remark: see: Usnea dasopoga
- Fungus type: lichenized
- Treatment in Estonia: synonym
- pikk habesamblik
- Species: Usnea fulvoreagens (Räsänen) Räsänen
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- värvuv habesamblik
- Species: Usnea glabrata (Ach.) Vain.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- sile habesamblik
- 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