- Radium bromatum (Clarke)
- Radium (Phatak)
- Radium bromatum (Tarkas)
- Radium bromatum (Vitko)
- Radon (Joshi)
- Radon (Sankaran)
- Radon (Scholten)
- Ranunculus acris (Clarke)
- Ranunculus ficaria (Clarke)
- Ranunculus bulbosus (Allen)
- Ranunculus bulbosus (Boger)
- Ranunculus bulbosus (Deriker)
- Ranunculus bulbosus (Kent)
- Ranunculus bulbosus (Phatak)
- Ranunculus bulbosus (Salunke)
- Ranunculus bulbosus (Tarkas)
- Ranunculus bulbosus (Tyler)
- Ranunculus bulbosus (Vitko)
- Ranunculus flammula (Clarke)
- Ranunculus sceleratus (Boericke)
- Ranunculus sceleratus (Deriker)
- Ranunculus sceleratus (Phatak)
- Raphanus (Phatak)
- Raphanus sativus (Borland)
- Raphanus sativus (Clarke)
- Raphanus sativus (Deriker)
- Raphanus sativus (Tarkas)
- Raphanus sativus (Vitko)
- Ratanhia (Allen)
- Ratanhia (Clarke)
- Ratanhia (Deriker)
- Ratanhia (Phatak)
- Ratanhia (Vitko)
- Rattus rattus (Sankaran)
- Red admiral (Maher)
- Renes/ Cuprum (Vogel)
- Rhamnus cathartica (Clarke)
- Rhenium (Sankaran)
- Rhenium (Scholten)
- Rheum (Allen)
- Rheum (Clarke)
- Rheum (Deriker)
- Rheum (Panchal)
- Rheum (Phatak)
- Rheum palmatum (Hahnemann)
- Rheum palmatum (Vitko)
- Rhodium (Clarke)
- Rhodium (Sankaran)
- Rhodium (Scholten)
- Rhododendron (Allen)
- Rhododendron (Boericke)
- Rhododendron (Boger)
- Rhododendron (Clarke)
- Rhododendron (Deriker)
- Rhododendron (Kent)
- Rhododendron (Nash)
- Rhododendron (Phatak)
- Rhododendron (Tyler)
- Rhododendron (Vannier)
- Rhododendron aureum (Vitko)
- Rhus diversiloba (Clarke)
- Rhus (Boger)
- Rhus (Tayler)
- Rhus aromatica (Boericke)
- Rhus aromatica (Clarke)
- Rhus aromatica (Tarkas)
- Rhus glabra (Clarke)
- Rhus glabra (Sankaran)
- Rhus radicans (Deriker)
- Rhus radicans (Tarkas)
- Rhus toxicodendron (Borland)
- Rhus toxicodendron (Clarke)
- Rhus toxicodendron (Deriker)
- Rhus toxicodendron (Farrington)
- Rhus toxicodendron (Hahnemann)
- Rhus toxicodendron (Kent)
- Rhus toxicodendron (Nash)
- Rhus toxicodendron (Phatak)
- Rhus toxicodendron (Sankaran)
- Rhus toxicodendron (Vithoulkas)
- Rhus toxicodendron (Vitko)
- Rhus toxicodendron (William H Burt)
- Rhus venenata (Clarke)
- Rhus venenata (Deriker)
- Rhus venenata (Sankaran)
- Ribonucleicum Acidum (Le Roux)
- Ricinus (Clarke)
- Ringworm (Sankaran)
- Robinia (Phatak)
- Robinia pseudacacia (Clarke)
- Rosa canina (Clarke)
- Rosa damascena (Anne Wirtz)
- Rosa damascena (Boericke)
- Rose (Sankaran)
- Rose quartz (Hodges)
- Rosmarinus (Clarke)
- Rosmarinus (van der Meer)
- Rubidium (Scholten)
- Rumex (Boericke)
- Rumex (Deriker)
- Rumex acetosa (Clarke)
- Rumex crispus (Clarke)
- Rumex crispus (Kent)
- Rumex crispus (Phatak)
- Rumex crispus (Vitko)
- Russula foetens (Clarke)
- Ruta (Hahnemann)
- Ruta graveolens (Boger)
- Ruta graveolens (Clarke)
- Ruta graveolens (Deriker)
- Ruta graveolens (Kent)
- Ruta graveolens (Nash)
- Ruta graveolens (Phatak)
- Ruta graveolens (Tyler)
- Ruta graveolens (Vitko)
- Ruthenium (Sankaran)
- Ruthenium (Scholten)
- Ruthenium (Tibensky)