Vascular Plants
Includes all flowering plants, conifers, ferns and fern-allies.
Genus names beginning with P:
109 genera
430 species
145 subspecies and varieties
430 species
145 subspecies and varieties
Show only taxa with photos
Packera (12 species)
Paeonia (1 species)
Panicum (3 species)
Papaver (4 species)
Parameconopsis (1 species)
Parapholis (1 species)
Parathelypteris (1 species)
Parietaria (3 species)
Parnassia (5 species)
Parthenocissus (1 species)
Pascopyrum (1 species)
Paspalum (1 species)
Pastinaca (1 species)
Paulownia (1 species)
Paxistima (1 species)
Pectiantia (3 species)
Pectocarya (2 species)
Pedicularis (7 species)
Pediocactus (1 species)
Peganum (1 species)
Pellaea (4 species)
Peltandra (1 species)
Pennisetum (2 species)
Penstemon (31 species)
Pentaglottis (1 species)
Pentagramma (1 species)
Penthorum (1 species)
Perideridia (3 species)
Perilla (1 species)
Peritoma (2 species)
Perovskia (1 species)
Persicaria (9 species)
Petasites (2 species)
Petrophytum (3 species)
Petroselinum (1 species)
Phacelia (15 species)
Phalaris (3 species)
Phegopteris (1 species)
Phemeranthus (2 species)
Philadelphus (1 species)
Phleum (2 species)
Phlox (11 species)
Phoenicaulis (1 species)
Photinia (2 species)
Phragmites (1 species)
Phyllodoce (3 species)
Phyllospadix (3 species)
Physalis (4 species)
Physaria (6 species)
Physocarpus (2 species)
Physostegia (1 species)
Phyteuma (1 species)
Phytolacca (1 species)
Picea (3 species)
Picris (1 species)
Pilularia (1 species)
Pimpinella (1 species)
Pinguicula (1 species)
Pinus (5 species)
Piptatheropsis (1 species)
Pisum (1 species)
Pityopus (1 species)
Plagiobothrys (9 species)
Plantago (10 species)
Platanthera (13 species)
Platanus (1 species)
Plectritis (4 species)
Pleiacanthus (1 species)
Pleuricospora (1 species)
Pleuropogon (1 species)
Poa (32 species)
Podagrostis (3 species)
Polanisia (1 species)
Polemonium (8 species)
Polycarpon (1 species)
Polyctenium (1 species)
Polygala (1 species)
Polygonum (17 species)
Polypodium (4 species)
Polypogon (6 species)
Polystichum (13 species)
Pontederia (1 species)
Populus (7 species)
Portulaca (1 species)
Potamogeton (19 species)
Potentilla (20 species)
Poteridium (1 species)
Poterium (1 species)
Proboscidea (0 species)
Prosartes (3 species)
Prunella (1 species)
Prunus (19 species)
Psathyrostachys (1 species)
Pseudelymus (1 species)
Pseudognaphalium (5 species)
Pseudoroegneria (1 species)
Pseudostellaria (1 species)
Pseudotsuga (1 species)
Psilocarphus (4 species)
Pteridium (1 species)
Pterospora (1 species)
Puccinellia (6 species)
Pueraria (1 species)
Pulmonaria (1 species)
Purshia (1 species)
Pyracantha (2 species)
Pyrola (7 species)
Pyrrocoma (4 species)
Pyrus (3 species)
