P

Papaveraceae

Parnassiaceae

Passifloraceae

Paulowniaceae

Penthoraceae

Phrymaceae

Phyllanthaceae

Phytolaccaceae

Plantaginaceae (In Part)

Poaceae

Polemoniaceae

Polygalaceae

Polygonaceae (In Part)

Pontederiaceae

Portulacaceae

Potamogetonaceae

Primulaceae (In Part)