Orobanche rapum-genistae
Greater Broomrape
Orthilia secunda
Serrated Wintergreen
Osmoxylon lineare
Green Aralia
Oxalis acetosella
Wood-sorrel
Oxalis articulata
Pink-sorrel
Oxalis corniculata
Creeping Woodsorrel
Oxalis incarnata
Pale Pink-sorrel
Oxalis triangularis
False Shamrock
Oxybasis glauca
Oak-leaved Goosefoot
Oxybasis rubra
Red Goosefoot
Pachira glabra
French Peanut
Paeonia peregrina
Peony
Pancratium maritimum
Sea Daffodil
Pandanus tectorius
Thatch Screwpine
Papaver cambricum
Welsh Poppy
Papaver dubium
Long-headed Poppy
Papaver lecoqii
Yellow-juiced Poppy
Papaver rhoeas
Common Poppy
Papaver setiferum
Oriental Poppy
Paphiopedilum callosum
Callus Paphiopedilum
Paphiopedilum hirsutissimum
Paphiopedilum spp.
Ladyslipper
Parentucellia viscosa
Yellow Bartsia
Parietaria judaica
Pellitory-of-the-wall
Paris quadrifolia
Herb-paris
Parnassia palustris
Grass-of-Parnassus
Passiflora caerulea
Blue Passionflower
Passiflora capsularis
Passion#Flower#(capsularis)
Passiflora foetida
Stinking Passionflower
Pastinaca sativa
Wild Parsnip
Paulownia tomentosa
Foxglove-tree
Pedicularis foliosa
Leafy Lousewort
Pedicularis palustris
Marsh Lousewort
Pedicularis sylvatica
Lousewort
Pelargonium zonale
Zonal Geranium
Penstemon sp.
Penstemon
Pentaglottis sempervirens
Green Alkanet
Pentas lanceolata
Egyptian Starcluster
Peperomia pellucida
Pepper Elder
Peperomia polybotrya
Raindrop Peperomia
Pereskia aculeata
Barbados Gooseberry
Persicaria amphibia
Amphibious Bistort
Persicaria chinensis
Creeping Smartweed
Persicaria hydropiper
Water-pepper
Persicaria lapathifolia
Pale Persicaria
Persicaria maculosa
Redshank
Persicaria minor
Small Water-pepper
Persicaria mitis
Tasteless Water-pepper
Petasites hybridus
Butterbur
Petasites japonicus
Giant Butterbur
Petasites pyrenaicus
Winter Heliotrope
Petasites spurius
Petrorhagia prolifera
Proliferous Pink
Petrosedum forsterianum
Rock Stonecrop
Petrosedum rupestre
Reflexed Stonecrop
Petroselinum crispum
Garden Parsley
Phacelia tanacetifolia
Phacelia
Phalaenopsis amabilis
Moon Orchid
Phanera kockiana
Orange Bauhinia
Phedimus kamtschaticus
Kamchatka Stonecrop
Phedimus spurius
Caucasian-stonecrop
Phelipanche purpurea
Yarrow Broomrape
Philadelphus
Double Mock-orange
Philadelphus coronarius
Mock-orange
Philodendron burle-marxii
Burle Marx's Philodendron
Philodendron erebuscens
Blushing Philodendron
Philodendron martianum
Pacová
Phlomis russeliana
Turkish Sage
Phoenix dactylifera
Date Palm
Phormium cookianum
Lesser New Zealand Flax