• Species: Dermatocarpon miniatum (L.) W. Mann
• Remark: includes Dermatocarpon arnoldianum and D. leptophyllum
• Fungus type: lichenized
• Treatment in Estonia: certain
• väike nahksamblik

• Species: Dibaeis baeomyces (L. f.) Rambold & Hertel
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• harilik roosasamblik

• Species: Didymellopsis collematum (J. Steiner) Grube & Hafellner
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Dimerella lutea (Dicks.) Trevis.
• Remark: see: Coenogonium luteum (Dicks.) Kalb & Lücking
• Fungus type: lichenized
• Treatment in Estonia: synonym
• kollane virvesamblik

• Species: Dimerella pineti (Ach.) Vězda
• Remark: see: Coenogonium pineti (Ach.) Lücking & Lumbsch
• Fungus type: lichenized
• Treatment in Estonia: synonym
• männi-virvesamblik

• Species: Diploschistes muscorum (Scop.) R. Sant.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• sambla-urnsamblik

• Species: Diploschistes scruposus (Schreb.) Norman
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• kivi-urnsamblik

• Species: Diplotomma alboatrum (Hoffm.) Flot.
• Remark: includes Diplotomma ambiquum (Ach.) Flagey and Diplotomma epipolium (Ach.) Arnold
• Fungus type: lichenized
• Treatment in Estonia: certain
• mustvalge silmsamblik

• Species: Diplotomma ambiquum (Ach.) Flagey
• Remark: included in Diplotomma alboatrum
• Fungus type: lichenized
• Treatment in Estonia: included in other taxon

• Species: Diplotomma epipolium (Ach.) Arnold
• Remark: included in Diplotomma alboatrum
• Fungus type: lichenized
• Treatment in Estonia: included in other taxon

• Species: Diplotomma lutosum (Ach.) Arnold
• Remark: earlier under Buellia subdispersa Mig.
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Diplotomma pharcidium (Ach.) M. Choisy
• Remark: earlier under Buellia pharcidia (Ach.) Malme
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Diplotomma venustum Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Dirina massiliensis f. sorediata (Müll. Arg.) Tehler
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Elixia flexella (Ach.) Lumbsch
• Remark: earlier under Ptychocarpa flexella (Ach.) Coppins
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Endocarpon psorodeum (Nyl.) Blomb. & Forssell
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• hall agusamblik

• Species: Endocarpon pusillum Hedw.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• väike agusamblik

• Species: Endococcus exerrans Nyl.
• Remark: includes earlier misidentification of Endococcus perpusillus Nyl.
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Endococcus nanellus Ohlert
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain extinct

• Species: Endococcus perpusillus Nyl.
• Remark: excluded as misidentification: re-identified as Endococcus exerrans
• Fungus type: lichenicolous
• Treatment in Estonia: misidentification

• Species: Endococcus propinquus (Körb.) D. Hawksw.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Endococcus protoblasteniae Diederich
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Endococcus rugulosus Nyl.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Eopyrenula leucoplaca (Wallr.) R.C. Harris
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Eopyrenula septemseptata Coppins
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

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