Plant Family: 9 Genera in Petiveriaceae

Plant Family: Petermanniaceae – Genus Petermannia

Plant Family: Petenaeaceae – Genus Petenaea

Plant Family: 5 Genera in Peraceae

Plant Family: 4 Genera in Peridiscaceae

Plant Family: 30 Genera in Polygalaceae

Plant Family: 27 Genera in Polemoniaceae

Plant Family: 52 Genera in Podostemaceae

Plant Family: 20 Genera in Podocarpaceae

Plant Family: 822 Genera in Poaceae

Plant Family: 21 Genera in Plumbaginaceae

Plant Family: Plocospermataceae – Genus Plocosperma

Plant Family: Platanaceae – 12 Species in Genus Platanus

Plant Family: 106 Genera in Plantaginaceae

Plant Family: 57 Genera in Polygonaceae

Plant Family: 9 Genera in Pittosporaceae

Plant Family: 5 Genera in Piperaceae

Plant Family: 11 Genera in Pinaceae

Plant Family: 25 Genera in Picrodendraceae

Plant Family: 2 Genera in Pontederiaceae

Plant Family: Asteropeiaceae – Genus Asteropeia

Plant Family: 184 Genera in Arecaceae

Plant Family: 41 Genera in Asphodelaceae

Plant Family: 1720 Genera in Asteraceae