• Species: Chaenothecopsis savonica (Räsänen) Tibell
• Remark:
• Fungus type: saprotrophic
• Treatment in Estonia: certain

• Species: Chaenothecopsis subparoica (Nyl.) Tibell
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Chaenothecopsis vainioana (Nadv.) Tibell
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Chaenothecopsis viridireagens (Nadv.) A F.W. Schmidt
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Cheiromycina petri D. Hawksw. & Poelt
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Cheiromycina reimeri Printzen
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Chromatochlamys muscorum (Th. Fr.) H. Mayrhofer & Poelt
• Remark: see: Thelenella muscorum
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Chrysothrix candelaris (L.) J.R. Laundon
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• puru-väävelsamblik

• Species: Chrysothrix chlorina (Ach.) J. R. Laundon
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Chrysothrix chrysophthalma (P. James) P. James & J.R. Laundon
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

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