• Species: Stigmidium lecidellae Triebel, Cl. Roux & Le Coeur
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

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

• Species: Stigmidium mycobilimbiae Cl. Roux, Triebel & Etayo
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Stigmidium peltideae (Vain.) R. Sant.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Stigmidium pumilum (Lettau) Matzer & Hafellner
• Remark: see: Sphaerellothecium pumilum
• Fungus type: lichenicolous
• Treatment in Estonia: synonym

• Species: Stigmidium solorinarium (Vain.) D. Hawksw.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Stigmidium xanthoparmeliarum Hafellner
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Strangospora moriformis (Ach.) Stein
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Strangospora pinicola (A. Massal.) Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Strigula stigmatella (Ach.) R.C. Harris
• Remark: see:Swinscowia stigmatella (Ach.) S.H. Jiang, Lücking & Sérus.
• Fungus type: lichenized
• Treatment in Estonia: synonym

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