• Species: Ramalina polymorpha (Lilj.) Ach.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• ranna-rihmsamblik

• Species: Ramalina siliquosa (Huds.) A.L. Sm.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• kivi-rihmsamblik

• Species: Ramalina sinensis Jatta
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• hiina rihmsamblik

• Species: Ramalina subfarinacea (Nyl. ex Cromb.) Nyl.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• kitsas rihmsamblik

• Species: Ramalina thrausta (Ach.) Nyl.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• niitjas rihmsamblik

• Species: Ramboldia insidiosa (Th. Fr.) Hafellner
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Ramonia luteola Vězda
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Refractohilum peltigerae (Keissl.) D. Hawksw.
• Remark:
• Fungus type: lichenicolous
• Treatment in Estonia: certain

• Species: Reichlingia leopoldii Diederich & Scheid.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon badioatrum (Flörke ex Spreng.) Th. Fr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain extinct

• Species: Rhizocarpon cinereovirens (Müll. Arg.) Vain.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon disporum (Nägeli ex Hepp) Müll. Arg.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: doubtful extinct

• Species: Rhizocarpon distinctum Th. Fr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon geminatum Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon geographicum (L.) DC.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain
• harilik kaartsamblik

• Species: Rhizocarpon grande (Flörke ex Flot.) Arnold
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon lavatum (Fr.) Hazsl.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon lecanorinum Anders
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon macrosporum Räsänen
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon obscuratum (Ach.) A. Massal.
• Remark: see: Rhizocarpon reductum
• Fungus type: lichenized
• Treatment in Estonia: synonym

• Species: Rhizocarpon oederi (Weber) Körb.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon petraeum (Wulfen) A. Massal.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon polycarpum (Hepp) Th. Fr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon reductum Th. Fr.
• Remark: earlier under Rhizocarpon obscuratum (Ach.) A. Massal.
• Fungus type: lichenized
• Treatment in Estonia: certain

• Species: Rhizocarpon richardii (Lamy ex Nyl.) Zahlbr.
• Remark:
• Fungus type: lichenized
• Treatment in Estonia: certain

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