• Species: Cladonia borealis S. Stenroos
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• põhja-porosamblik

• Species: Cladonia botrytes (K.G. Hagen) Willd.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• kobar-porosamblik

• Species: Cladonia brevis (Sandst.) Sandst.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• madal porosamblik

• Species: Cladonia caespiticia (Pers.) Flörke
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• mätas-porosamblik

• Species: Cladonia cariosa (Ach.) Spreng.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• kõdu-porosamblik

• Species: Cladonia carneola (Fr.) Vain.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• lihakarva porosamblik

• Species: Cladonia cenotea (Ach.) Schaer.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• lehter-porosamblik

• Species: Cladonia cervicornis (Ach.) Flot.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• hirve-porosamblik

• Species: Cladonia cervicornis ssp. verticillata (Hoffm.) Ahti
• Remark: see: Cladonia verticillata (Hoffm.) Schaer.
• Fungus type: lichenized
• Treatment in Estonia: synonym
• korrus-porosamblik

• Species: Cladonia chlorophaea (Flörke ex Sommerf.) Spreng.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• tera-porosamblik

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