Common name (English)
Oenothera glazioviana Large-flowered Evening-primrose
Ononis natrix subsp. natrix Shrubby rest-harrow, Large Yellow Restharrow
Ophrys reinholdii subsp. straussii
Opuntia humifusa Eastern prickly-pear
Origanum onites Cretan oregano; Greek oregano; pot marjoram
Oxalis latifolia Garden Pink-Sorrel
Oxalis pes-caprae Bermuda buttercup
Pandorea jasminoides Bowerplant
Panicum capillare Witch grass, Witch-Grass
Parkinsonia aculeata Jerusalem thorn
Parthenocissus quinquefolia American Ivy
Paspalum dilatatum Bastard Millet Grass
Paulownia tomentosa Empress tree
Perilla frutescens Beefsteak
Phalaris canariensis Canary grass, Canary-Grass
Phillyrea angustifolia Narrow-leaved mock privet
Phoenix canariensis Canary Island Date Palm
Phoenix dactylifera Date palm
Phytolacca americana Pokeweed, American pokeweed
Phytolacca dioica Ombu tree, Belhambra Tree