Semantic search
- Plantago coronopus
- Plantago indica
- Plantago lanceolata
- Plantago major
- Plantago maritima
- Plantago media
- Plantago virginica
- Platanus
- Platanus occidentalis
- Plumbago
- Plumbago zeylanica
- Podophyllum
- Podophyllum peltatum
- Polycnemum
- Polycnemum arvense
- Polygala
- Polygala cruciata
- Polygala incarnata
- Polygala lutea
- Polygala sanguinea
- Polygala senega
- Polygala verticillata
- Polygala vulgaris
- Polygonum
- Polygonum aviculare
- Polygonum aviculare subsp. aviculare
- Polygonum erectum
- Polygonum sect. Polygonum
- Polymnia canadensis
- Polypodium
- Polypodium virginianum
- Polypremum
- Polypremum procumbens
- Pontederia
- Pontederia cordata
- Populus
- Populus balsamifera
- Populus heterophylla
- Portulaca
- Portulaca halimoides
- Portulaca oleracea
- Portulaca pilosa
- Potamogeton
- Potamogeton crispus
- Potamogeton gramineus
- Potamogeton natans
- Potamogeton perfoliatus
- Potamogeton pusillus
- Potamogeton pusillus subsp. pusillus
- Potentilla