- Paeonia (Clarke)
- Paeonia (Deriker)
- Paeonia (Phatak)
- Paeonia (Tayler)
- Palladium (Deriker)
- Palladium (Farrington)
- Palladium (Phatak)
- Palladium (Sankaran)
- Palladium (Scholten)
- Palladium (Tyler)
- Palladium metallicum (Vitko)
- Pancreatinum (Clarke)
- Panthera onca (Fatula)
- Panthera pardus (Fatula)
- Panthera tigris (Sankaran)
- Paraffinum (Clarke)
- Pareira brava (Boericke )
- Pareira brava (Clarke)
- Pareira brava (Deriker)
- Pareira brava (Phatak)
- Parietaria (Clarke)
- Paris (Sankaran)
- Paris grandiflora (Salunke)
- Paris quadrifolia (Deriker)
- Paris quadrifolia (Phatak)
- Parotidinum (Clarke)
- Parthenium hysterophorus (Clarke)
- Passer domesticus (Geraghty)
- Passiflora (Clarke)
- Passiflora incarnata (Boericke)
- Passiflora incarnata (Vitko)
- Pastina casativa (Clarke)
- Paulinia timbo (Deriker)
- Paullinia pinnata (Clarke)
- Pearl immersion (Adam)
- Pearl immersion (Tumminello)
- Pecten (Clarke)
- Pediculus (Clarke)
- Pediculus capitis (Deriker)
- Peganum harmala (Clarke)
- Penthorum (Clarke)
- Persica (Clarke)
- Pertussinum (Clarke)
- Petiveria tetrandra (Clarke)
- Petroleum (Allen)
- Petroleum (Boericke)
- Petroleum (Boger)
- Petroleum (Borland)
- Petroleum (Clarke)
- Petroleum (Deriker)
- Petroleum (Farrington)
- Petroleum (Grandgeorge)
- Petroleum (Kent)
- Petroleum (Misha Norland)
- Petroleum (Nash)
- Petroleum (Phatak)
- Petroleum (Sankaran)
- Petroleum (Tyler)
- Petroleum (Vitko)
- Petroleum (William H Burt)
- Petroselinum (Allen)
- Petroselinum (Phatak)
- Petroselinum sativum (Deriker)
- Phallus (Clarke)
- Phaseolus (Boericke)
- Phaseolus (Clarke)
- Phaseolus vulgaris (Scholten)
- Phellandrium (Clarke)
- Phellandrium (Deriker)
- Phellandrium (Phatak)
- Phlorizinum (Clarke)
- Phoenicopterus ruber (Joshi)
- Phosphoricum acidum (Bailey)
- Phosphoricum acidum (Boger)
- Phosphoricum acidum (Borland)
- Phosphoricum acidum (Clarke)
- Phosphoricum acidum (Deriker)
- Phosphoricum acidum (Farrington)
- Phosphoricum acidum (Grandgeorge)
- Phosphoricum acidum (Hahnemann)
- Phosphoricum acidum (Kent)
- Phosphoricum acidum (Le Roux)
- Phosphoricum acidum (Phatak)
- Phosphoricum acidum (Sankaran)
- Phosphoricum acidum (Scholten)
- Phosphoricum acidum (Tyler)
- Phosphoricum acidum (Vithoulkas)
- Phosphoricum acidum (Vitko)
- Phosphoricum acidum (William H Burt)
- Phosphorus (Bailey)
- Phosphorus (Boger)
- Phosphorus (Borland)
- Phosphorus (Clarke)
- Phosphorus (Coulter)
- Phosphorus (Deriker)
- Phosphorus (Farrington)
- Phosphorus (Grandgeorge)
- Phosphorus (Kent)
- Phosphorus (Nash)
- Phosphorus (Phatak)
- Phosphorus (Sankaran)
- Phosphorus (Scholten)
- Phosphorus (Tyler)
- Phosphorus (Vithoulkas)
- Phosphorus (Vitko)
- Phsphorus (William H Burt)
- Physalia pelagica (Clarke)
- Physalia pelagica (Ivaniv)
- Physalia physalis (Adam)
- Physalis (Boericke)
- Physostigma (Allen)
- Physostigma (Dak)
- Physostigma (Phatak)
- Physostigma (Tarkas)
- Physostigma venenosum (Vitko)
- Phytolacca (Allen)
- Phytolacca (Boericke)
- Phytolacca (Borland)
- Phytolacca (Clarke)
- Phytolacca (Deriker)
- Phytolacca (Grandgeorge)
- Phytolacca (Kent)
- Phytolacca (Nash)
- Phytolacca (Phatak)
- Phytolacca (William H Burt)
- Phytolacca americana (Vitko)
- Pica pica (Fatula)
- Picric acid (Phatak)
- Picricum acidum (Allen)
- Picricum acidum (Boericke)
- Picricum acidum (Farrington)
- Picricum acidum (Kent)
- Picricum Acidum (Le Roux)
- Picricum acidum (Sankaran)
- Picricum acidum (Tyler)
- Picricum acidum (Vitko)
- Picus viridis (Fatula)
- Pilocarpus (Boericke)
- Pimenta (Clarke)
- Pimpinella (Clarke)
- Pimpinella (Deriker)
- Pinus (Clarke)
- Pinus sylvestrus (Cicchetti)
- Piper methysticum (Boericke)
- Piper methysticum (Clarke)
- Piper methysticum (Sankaran)
- Piper nigrum (Clarke)
- Piper nigrum (Deriker)
- Piscidia (Clarke)
- Pituitarin (Tarkas)
- Pix liquida (Clarke)
- Placenta (Hans Eberle)
- Plantago major (Phatak)
- Plastic (Sankaran)
- Platanus (Clarke)
- Platina (Bailey)
- Platina (Boger)
- Platina (Deriker)
- Platina (Farrington)
- Platina (Grandgeorge)
- Platina (Scholten)
- Platinum (Allen)
- Platinum (Clarke)
- Platinum (Kent)
- Platinum (Nash)
- Platinum (Phatak)
- Platinum (Tyler)
- Platinum (Vithoulkas)
- Platinum (William H Burt)
- Platinum metallicum (Sankaran)
- Platinum metallicum (Vitko)
- Plectranthus (Clarke)
- Plectranthus (Deriker)
- Plumbago littoralis (Clarke)
- Plumbago littoralis (Deriker)
- Plumbum (Allen)
- Plumbum (Boger)
- Plumbum (Borland)
- Plumbum (Deriker)
- Plumbum (Farrington)
- Plumbum (Gibson)
- Plumbum (Grandgeorge)
- Plumbum (Loukas)
- Plumbum (Nash)
- Plumbum (Salunke)
- Plumbum (Sankaran)
- Plumbum (Scholten)
- Plumbum (Tyler)
- Plumbum (Vithoulkas)
- Plumbum (William H Burt)
- Plumbum aceticum (Deriker)
- Plumbum metallicum (Kent)
- Plumbum metallicum (Phatak)
- Plumbum metallicum (Vitko)
- Plumbum muriaticum (Scholten)
- Plumbum phosphoricum (Scholten)
- Plumbum sulphuricum (Chatterjee)
- Plutonium (Morrison)
- Plutonium nitricum (Fayeton)
- Plutonium nitricum (Scholten)
- Plutonium nitricum (Vitko)
- Podophyllum (Allen)
- Podophyllum (Borland)
- Podophyllum (Clarke)
- Podophyllum (Deriker)
- Podophyllum (Kent)
- Podophyllum (Nash)
- Podophyllum (Phatak)
- Podophyllum (William H Burt)
- Podophyllum peltatum (Vitko)
- Polonium (Scholten)
- Polygonum (Clarke)
- Polygonum (Phatak)
- Polygonum punctatum (Boericke)
- Polyporus officinalis (William H Burt)
- Polyporus pinicola (Boericke)
- Polyporus pinicola (Clarke)
- Populus (Clarke)
- Positronium (Jackson)
- Positronium (Joshi)
- Pothos (Deriker)
- Pothos foetidus (Tarkas)
- Praseodymium bromatum (Johnson)
- Praseodymium carbonicum (Scholten)
- Praseodymium fluoratum (Riedener)
- Praseodymium fluoratum (Scholten)
- Praseodymium metallicum (Scholten)
- Praseodymium muriaticum (Scholten)
- Praseodymium sulphuricum (Scholten)
- Primula (Clarke)
- Primula obconica (Boericke)
- Primula veris (Boericke)
- Prinos (Clarke)
- Promethium metallicum (Scholten)
- Prunus padus (Deriker)
- Prunus spinosa (Clarcke)
- Prunus spinosa (Clarke)
- Prunus spinosa (Phatak)
- Pseudotsuga menziesii (Sankaran)
- Psorinum (Allen)
- Psorinum (Boger)
- Psorinum (Borland)
- Psorinum (Borland)
- Psorinum (Clarke)
- Psorinum (Coulter)
- Psorinum (Deriker)
- Psorinum (Farrington)
- Psorinum (Grandgeorge)
- Psorinum (Kent)
- Psorinum (Nash)
- Psorinum (Phatak)
- Psorinum (Tarkas)
- Psorinum (Tyler)
- Psorinum (Vitko)
- Psorinum (William H Burt)
- Ptelea (Nash)
- Ptelea (Phatak)
- Ptelea trifoliaia (Borland)
- Ptelea trifoliata (Clarke)
- Ptelea trifoliata (Tyler)
- Pulex (Phatak)
- Pulex irritans (Boericke)
- Pulmo (Clarke)
- Pulmo/ Mercurius (Vogel)
- Pulmonaria officinalis (Riedener)
- Pulsatilla (Bailey)
- Pulsatilla (Boger)
- Pulsatilla (Borland)
- Pulsatilla (Clarke)
- Pulsatilla (Coulter)
- Pulsatilla (Deriker)
- Pulsatilla (Farokh)
- Pulsatilla (Farrington)
- Pulsatilla (Grandgeorge)
- Pulsatilla (Kent)
- Pulsatilla (Nash)
- Pulsatilla (Phatak)
- Pulsatilla (Sankaran)
- Pulsatilla (Tarkas)
- Pulsatilla (Tyler)
- Pulsatilla (Vijayakar)
- Pulsatilla (Vithoulkas)
- Pulsatilla (William H Burt)
- Pulsatilla pratensis (Vitko)
- Pyrethrum (Clarke)
- Pyrogen (Allen)
- Pyrogen (Phatak)
- Pyrogenium (Grandgeorge)
- Pyrogenium (Kent)
- Pyrogenium (Nash)
- Pyrogenium (Tarkas)
- Pyrogenium (Tyler)
- Pyrogenium (Vitko)
- Pyrogenum (Clarke)
- Pyrogenum (Gibson)
- Pyrus (Clarke)
- Pyrus americanus (Clarke)
- Python (Patel)
- Pulsatilla pratensis (Hahnemann)