• Rana
    • Rana Missing - Chybi esculenta [Známka 2588] [Stamp 2588]
    • Rana Missing - Chybi esculenta [Kupon 563] [Coupon 563]
    • Rana Missing - Chybi dalmatina [Kupon 604] [Coupon 604]
  • Rapunculoides
  • Rebus
    • Violentia rebus Missing - Chybi omnia sponte fluant absit [Známka 931] [Stamp 931]
  • Recurvirostra
  • Rediviva
  • Reginae
    • Strelizia reginae Missing - Chybi [Známka 2447] [Stamp 2447]
  • Regis
    • Proiectus Georgii Regis Missing - Chybi Bohemiae [Známka 1368] [Stamp 1368]
    • Proiectus Georgii Regis Missing - Chybi Bohemiae [Známka 2863] [Stamp 2863]
  • Religiosa
  • Remiz
    • Remiz Missing - Chybi pendulinus [Známka 1590] [Stamp 1590]
  • Repertam
    • Quingentesimus post Americam repertam Missing - Chybi annus [Aršik 3006] [Souvenir Sheet 3006]
  • Restrepia
    • Restrepia Missing - Chybi antennifera [Aršik 730] [Souvenir Sheet 730]
  • Reticulata
  • Reuss
    • Pulsatilla slavica Reuss Missing - Chybi [Známka 1153] [Stamp 1153]
  • Rhamni
    • Gonepteryx rhamni Missing - Chybi L. [Známka 1225] [Stamp 1225]
  • Rhinolophus
    • Rhinolophus Missing - Chybi hipposideros [Aršik 773] [Souvenir Sheet 773]
  • Rhodocatus
  • Rhoeas
    • Lapaver rhoeas Missing - Chybi L. [Známka 1382] [Stamp 1382]
    • Papaver rhoeas Missing - Chybi L. [Známka 1491] [Stamp 1491]
  • Rica
    • Paidia rica Missing - Chybi [Aršik 773] [Souvenir Sheet 773]
  • Rivularis
    • Neptis rivularis Missing - Chybi [Aršik 563] [Souvenir Sheet 563]
  • Robur
    • Quercus robur Missing - Chybi [Známka 23] [Stamp 23]
    • Quercus robur Missing - Chybi [Aršik 563] [Souvenir Sheet 563]
  • Rosa
    • Rosa Missing - Chybi canina [Známka 1495] [Stamp 1495]
    • Rosa Missing - Chybi canina [Známka 1915] [Stamp 1915]
    • Rosa Missing - Chybi [Známka 2037] [Stamp 2037]
    • Rosa Missing - Chybi gallica [Známka 776] [Stamp 776]
  • Rosalia
    • Rosalia Missing - Chybi alpina (L.) [Známka 1283] [Stamp 1283]
    • Leontopithecus rosalia Missing - Chybi [Aršik 894] [Souvenir Sheet 894]
  • Rubecula
    • Erithacus rubecula Missing - Chybi rubecula L. [Známka 1405] [Stamp 1405]
  • Rubra
    • Cephalanthere rubra Missing - Chybi [Kupon 528] [Coupon 528]
  • Rubus
    • Rubus Missing - Chybi chamaemorus [Kupon 439] [Coupon 439]
  • Rufescens
    • Krombholzia rufescens Missing - Chybi [Známka 1020] [Stamp 1020]
  • Rufina
    • Netta rufina Missing - Chybi [Známka 566] [Stamp 566]
  • Rupicapra