List of species and infraspecific taxa
- Species: Polyblastia gelatinosa (Ach.) Th. Fr.
- Remark: see: Agonimia gelatinosa
- Fungus type: lichenized
- Treatment in Estonia: synonym
- Species: Polyblastia nidulans (Stenh.) Arnold
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Polychidium muscicola (Sw.) Gray
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- rünk-harjassamblik
- Species: Polycoccum peltigerae (Fuckel) Vězda
- Remark: see: Didymocyrtis peltigerae
- Fungus type: lichenicolous
- Treatment in Estonia: synonym
- Species: Polycoccum pulvinatum (Eitner) R. Sant.
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Polycoccum squamarioides (Mudd) Arnold
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Polysporina simplex (Davies) Vězda
- Remark: see: Acarospora privigna (Ach.) A. Scneid.
- Fungus type: lichenized
- Treatment in Estonia: synonym
- Species: Porina aenea (Wallr.) Zahlbr.
- Remark: see: Pseudosagedia aenea
- Fungus type: lichenized
- Treatment in Estonia: synonym
- Species: Porina chlorotica (Ach.) Müll. Arg.
- Remark: see: Pseudosagedia chlorotica
- Fungus type: lichenized
- Treatment in Estonia: synonym
- Species: Porina linearis (Leight.) Zahlbr.
- Remark: see: Pseudosagedia linearis
- Fungus type: lichenized
- Treatment in Estonia: synonym
- Species: Porpidia cinereoatra (Ach.) Hertel & Knoph
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Porpidia crustulata (Ach.) Hertel & Knoph
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Porpidia macrocarpa (DC.) Hertel & A.J. Schwab
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Porpidia soredizodes (Lamy ex Nyl.) J.R. Laundon
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Porpidia speirea (Ach.) Kremp.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Porpidia tuberculosa (Sm.) Hertel & Knoph
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Pronectria erythrinella (Nyl.) Lowen
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Pronectria leptaleae (J. Steiner) Lowen
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Pronectria robergei (Mont. & Desm.) Lowen
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Pronectria xanthoriae Lowen & Diederich
- Remark:
- Fungus type: lichenicolous
- Treatment in Estonia: certain
- Species: Protoblastenia calva (Dicks.) Zahlbr.
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Protoblastenia incrustans (DC.) J. Steiner
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Protoblastenia rupestris (Scop.) J. Steiner
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain
- Species: Protopannaria pezizoides (Weber) P.M. Jørg. & S. Ekman
- Remark: earlier under Pannaria pezizoides (Weber) Trevis.
- Fungus type: lichenized
- Treatment in Estonia: certain
- harilik sinisamblik
- Species: Protoparmelia atriseda (Fr.) R. Sant. & V. Wirth
- Remark:
- Fungus type: lichenized
- Treatment in Estonia: certain