Myriophyllum aquaticum
Parrot's-feather
Myrrhis odorata
Sweet Cicely
Narcissus minor
Lesser Daffodil
Narcissus nobilis
Large-flowered Daffodil
Narcissus obvallaris
Tenby Daffodil
Nepeta x faassenii
Garden Cat-mint
Nicandra physalodes
Apple-of-Peru
Nothofagus alpina
Rauli
Nothoscordum borbonicum
Honeybells
Oenothera biennis
Small-flowered Evening-primrose
Oenothera glazioviana
Large-flowered Evening-primrose
Oenothera stricta
Fragrant Evening-primrose
Olearia macrodonta
New Zealand Holly
Ornithogalum nutans
Drooping Star-of-Bethlehem
Ornithogalum umbellatum
Star-of-Bethlehem
Oxalis articulata
Pink-sorrel
Oxalis incarnata
Pale Pink-sorrel
Pancratium maritimum
Sea Daffodil
Papaver setiferum
Oriental Poppy
Paulownia tomentosa
Foxglove-tree
Pentaglottis sempervirens
Green Alkanet
Petasites japonicus
Giant Butterbur
Petasites pyrenaicus
Winter Heliotrope
Petrorhagia prolifera
Proliferous Pink
Petrosedum rupestre
Reflexed Stonecrop
Phacelia tanacetifolia
Phacelia
Phalaris canariensis
Canary-grass
Phedimus kamtschaticus
Kamchatka Stonecrop
Philadelphus coronarius
Mock-orange
Phlomis russeliana
Turkish Sage
Phormium cookianum
Lesser New Zealand Flax
Phuopsis stylosa
Caucasian Crosswort
Physalis peruviana
Cape-gooseberry
Picea abies
Norway Spruce
Picea omorika
Serbian Spruce
Picea sitchensis
Sitka Spruce
Pilosella aurantiaca
Fox-and-cubs
Pinus nigra
Austrian Pine
Pinus radiata
Monterey Pine
Platanus x hispanica
London Plane
Polygonatum x hybridum
Garden Solomon's-seal
Polypogon viridis
Water Bent
Populus x canadensis
Hybrid Black-poplar
Populus x canescens
Grey Poplar
Potentilla indica
Yellow-flowered Strawberry
Poterium sanguisorba
Fodder Burnet
Prunus cerasifera
Cherry Plum
Prunus domestica
Bullace
Prunus laurocerasus
Cherry Laurel
Pseudofumaria alba
Pale Corydalis
Pseudofumaria lutea
Yellow Corydalis
Pseudotsuga menziesii
Douglas Fir
Pulmonaria officinalis
Lungwort
Pyracantha coccinea
Firethorn
Quercus cerris
Turkey Oak
Quercus ilex
Evergreen Oak
Quercus rubra
Red Oak
Ramonda myconi
Pyrenean-violet
Rhinanthus angustifolius
Greater Yellow-rattle
Rhododendron ponticum
Rhododendron
Ribes nigrum
Black Currant
Ribes sanguineum
Flowering Currant
Ribes uva-crispa
Gooseberry
Robinia pseudoacacia
False-acacia
Rosa multiflora
Many-flowered Rose
Rosa rugosa
Japanese Rose
Rosmarinus officinalis
Rosemary
Rubus spectabilis
Salmonberry
Rubus tricolor
Chinese Bramble
Rumex confertus
Russian Dock