- Pittosporum undulatum
Sweet Pittosporum, Australian Daphne, Victorian Box - Pittosporum viridiflorum
Cape Pittosporum, Cape Cheese Wood - Pityrogramma
Pityrogramma - Planchonia careya
Cocky Apple - Plantago nivalis
Plantain - Platanus hispanica
London Plane Tree - Platanus occidentalis
American Sycamore, American Plane, Buttonwood - Platanus orientalis
Oriental Plane Tree - Platanus racemosa
California Sycamore - Platanus wrightii
Arizona Sycamore - Platycarya strobilacea
Platycarya - Platycerium alcicorne
Staghorn Fern - Platycerium bifurcatum
Elkhorn Fern - Platycerium coronarium
Staghorn Fern - Platycerium elephantotis
Elephant's Ear Fern - Platycerium hillii
Northern Elkhorn Fern - Platycerium superbum
Staghorn Fern - Platycladus orientalis
Oriental Arborvitae - Platycladus orientalis Aurea Nana
Dwarf Golden Arborvitae, Golden Biota - Platycladus orientalis Beverleyensis
Beverley Hills Arborvitae - Platycodon grandiflorus
Balloon Flower - Platylobium formosum
Handsome Flat Pea - Platysace ericoides
Heath Platysace - Platysace linearifolia
Narrow Leaf Platysace - Platystemon californicus
Cream Cups, Californian Poppy - Plecostachys serpyllifolia
Trailiing Licorice Plant, Hottentot Tea - Plectranthus alloplectus
Narrow Leaf Plectranthus - Plectranthus amboinicus
Mexican Mint, Spanish Thyme, Spanish Majoram, Country Borage, Cuban Oregano, Indian Borage - Plectranthus argentatus
Silver Spur Flower - Plectranthus argentatus Silver Shield
Silver Shield Spur Flower - Plectranthus ciliatus
Speckled Spur Flower, African Spur Flower - Plectranthus cremnus
Sticky Cockspur Flower - Plectranthus diversus
Plectranthus - Plectranthus ecklonii Erma
Pink Spur Flower Bush - Plectranthus ecklonii Medley-Wood
Blue Spur Flower Bush - Plectranthus ecklonii Tommy
White Spur Flower Bush - Plectranthus forsteri Marginatus
Variegated Plectranthus - Plectranthus fruticosus
Spur Flower - Plectranthus graveolens
Sticky Cockspur Flower - Plectranthus madagascariensis
Mint Leaf - Plectranthus madagascariensis Variegated Mintleaf
Variegated Mint Leaf - Plectranthus Mona Lavender
Mona Lavender - Plectranthus neochilus
Dogbane, Lobster Flower, Fly Bush, Mosquito Bush - Plectranthus Nicoletta
Nicoletta Plectranthus - Plectranthus oertendahlii
Silver Leaf Spur Flower, Swedish Ivy, Candle Plant, November Lights, Prostrate Coleus - Plectranthus ornatus
Dogbane, Scaredy Cat Plant - Plectranthus parviflorus
Cockspur Flower, Little Spur Flower - Plectranthus parviflorus Blue Spires
Cockspur Flower, Little Spur Flower - Plectranthus saccatus
Stoep Jacaranda - Plectranthus scutellarioides
Coleus, Painted Nettle - Plectranthus thyrsoideus
Plectranthus - Plectranthus verticillatus
Gossip Spur Flower, Money Plant, Whorled Plectranthus, Swedish Ivy - Pleioblastus argenteostriatus
Dwarf Bamboo - Pleioblastus fortunei Variegatus
Dwarf White-Stripe Bamboo - Pleioblastus humilis
Bamboo - Pleioblastus pygmaeus
Pygmy Bamboo, Dwarf Fern Leaf Bamboo - Pleioblastus simonii Variegatus
Bamboo - Pleioblastus viridistriatus
Dwarf Greenstripe Bamboo, Kamuro-zasa - Pleione Kublai Khan
Kublai Khan Pleione - Pleiospilos compactus
Split Rock Plant, Mimicry Plant - Pleroma granulosum
Purple Glory Bush, Lasiandra - Pleroma granulosum Kathleen
Pink Glory Bush, Lasiandra - Pleroma urvilleanum
Purple Glory Bush, Lasiandra, Princess Flower - Plumbago auriculata
Plumbago, Cape Leadwort - Plumbago auriculata alba
Plumbago - Plumbago auriculata Royal Cape
Plumbago - Plumbago indica
Scarlet Leadwort - Plumbago zeylanica
White Leadwort - Plumeria alba
West Indian Jasmine - Plumeria obtusa
Evergreen Frangipani, Evergreen Plumeria - Plumeria pudica
Everlasting Love, Bridal Bouquet, Bashful Frangipani - Plumeria rubra
Frangipani, Temple Tree, Plumeria - Plumeria rubra acutifolia
Frangipani - Plumeria rubra Black Red
Frangipani, Temple Tree, Plumeria - Plumeria stenophylla
Plumeria - Poa alpina
Alpine Meadow Grass - Poa chaixii
Meadow Grass - Poa labillardieri
Silver Tussock Grass, Large Tussock Grass - Poa labillardieri Eskdale
Eskdale Tussock Grass - Podalyria calyptrata
Sweet Pea Bush, Water Blossom Pea - Podalyria sericea
Silver Sweet Pea Bush, Silky Podalyria - Podocarpus elatus
Plum Pine - Podocarpus lawrencei
Mountain Plum Pine, Tasmanian Podocarp - Podocarpus macrophyllus
Yew Plum Pine, Shrubby Yew Podocarpus, Buddhist Pine - Podocarpus nivalis
Alpine Totara - Podocarpus salignus
Willow Leaf Podocarp - Podolepis hieracioides
Long Podolepis - Podolepis jaceoides
Showy Copper Wire Daisy - Podolobium ilicifolium
Holly Shaggy Pea - Podolobium scandens
Netted Shaggy Pea - Podophyllum hexandrum
Himalayan May Apple - Podophyllum peltatum
May Apple, Devil's Apple, Hog Apple, Indian Apple, American Mandrake, Raccoon Berry, Umbrella Leaf, Wild Jalap, Wild Lemon - Podophyllum pleianthum
Chinese May Apple - Podranea ricasoliana
Pink Trumpet Vine, Port St John Vine - Pogonatherum paniceum
Malay Pygmy Bamboo, Baby Panda Bamboo - Polemonium pulcherrimum Blue Dove
Jacob's Ladder, Blue Dove, Skunk Leaf Polemonium, Western Sky Pilot - Polianthes geminiflora
Polianthes - Polianthes tuberosa
Tuberose - Poliothyrsis sinensis
Chinese Pearl Bloom Tree - Pollia crispata
Pollia - Polygala calcarea
Milkwort - Polygala chamaebuxus
Box Leaf Milkwort, Bastard Box, Shrubby Milkwort - Polygala chamaebuxus Fairy Lights
Fairy Lights Milkwort - Polygala dalmaisiana Grandiflora
Sweet Pea Shrub, Myrtle Leaf Milkwort, Bellarine Pea, Butterfly Bush - Polygala Little Charmer
Little Charmer Milkwort - Polygonatum biflorum
Giant Solomon Seal - Polygonatum hirtum
Solomon's Seal - Polygonatum humile
Solomon's Seal - Polygonatum hybridum
Solomon's Seal - Polygonatum hybridum Striatum
Variegated Solomon's Seal - Polygonatum multiflorum
Solomon's Seal - Polygonatum odoratum
Scented Solomon's Seal - Polygonatum odoratum pluriflorum Variegatum
Variegated Solomon's Seal - Polygonatum stewartianum
Solomon's Seal - Polygonatum verticillatum
Whorled Solomon's Seal - Polymeria calycina
Bindweed - Polypodium cambricum
Southern Polypody - Polypodium formosanum
Grub Fern, Caterpillar Fern, Green Caterpillar Fern - Polypodium glycyrrhiza
Licorice Fern - Polypodium polypodioides
Resurrection Fern - Polypodium scouleri
Leathery Polypody - Polypodium virginianum
Rockcap Fern - Polypodium vulgare
Common Polypody, Wall Fern - Polyscias elegans
Celery Wood, Black Pencil Cedar, Silver Bass Wood - Polyscias filicifolia
Fern Leaf Aralia, Chotito - Polyscias guilfoylei
Coffee Tree, Geranium Aralia, Hedge Panax - Polyscias guilfoylei Victoriae
Variegated Lace Aralia, Ming Aralia, Geranium Aralia - Polyscias murrayi
Pencil Cedar, Umbrella Tree, White Bass Wood - Polyscias sambucifolia decomposita
Ferny Elderberry Panax - Polyscias sambucifolia leptophylla
Elderberry Panax - Polyscias sambucifolia sambucifolia
Elderberry Panax - Polyspora axillaris
Fried Egg Plant, Gordonia - Polystichum acrostichoides
Holly Fern - Polystichum aculeatum
Hard Shield Fern - Polystichum munitum
Western Sword Fern - Polystichum polyblepharum
Japanese Tassel Fern, Korean Tassel Fern, Japanese Lace Fern - Polystichum proliferum
Mother Shield Fern - Polystichum rigens
Shield Fern - Polystichum setiferum
Soft Shield Fern - Polystichum setiferum Divisilobum Group
Feathery Soft Shield Fern - Polystichum setiferum Foliosum Group
Soft Shield Fern - Polystichum setiferum Grandidens
Soft Shield Fern - Polystichum tsussimense
Korean Rock Fern - Pomaderris andromedifolia
Pomaderris - Pomaderris discolor
Eastern Pomaderris - Pomaderris elliptica
Pomaderris - Pomaderris ferruginea
Rusty Pomaderris - Pomaderris intermedia
Pomaderris - Pomaderris lanigera
Woolly Pomaderris - Pomaderris ligustrina
Privet Pomaderris - Poncirus trifoliata
Japanese Bitter Orange, Trifoliate Orange - Pontederia cordata
Pickerel Weed - Pontederia cordata Alba
White Pickerel Weed - Populus alba
White Poplar, Silver Poplar - Populus balsamifera
Western Balsam Poplar, Black Cottonwood - Populus berolinensis
Berlin Poplar - Populus canadensis
Canadian Poplar - Populus canadensis Aurea
Canadian Poplar - Populus canadensis Serotina
Canadian Poplar - Populus canescens
Grey Poplar - Populus deltoides
American Cottonwood, Eastern Cottonwood, Broad Leaf Poplar, Carolina Poplar, Match Poplar, Necklace Poplar - Populus fremontii
Western Cottonwood - Populus grandidentata
Big Tooth Aspen - Populus jacquemontii glauca
Poplar - Populus lasiocarpa
Chinese Necklace Poplar - Populus maximowiczii
Japanese Poplar, Asian Poplar - Populus nigra
Black Poplar - Populus nigra Italica
Lombardy Poplar - Populus tremula
European Aspen, Quaking Aspen - Populus tremula Erecta
Upright European Aspen, Swedish Upright Aspen - Populus tremula Pendula
Weeping Aspen - Populus tremuloides
Quaking Aspen - Populus trichocarpa
Black Cottonwood, Western Balsam Poplar - Poranopsis paniculata
Snow in the Jungle, White Corallita - Poranthera corymbosa
Poranthera - Portea petropolitana Extensa
Bromeliad - Portlandia grandiflora
Glorious Flower of Cuba, Bell Flower - Portulaca grandiflora
Sun Plant, Moss Rose - Portulaca Hot Spots
Sun Plant, Moss Rose - Portulacaria afra
Jade Plant, Elephant Bush - Portulacaria afra Variegata
Variegated Jade Plant - Posoqueria latifolia
Tree Jasmine, Needle Flower Tree, Brazilian Oak - Posoqueria longiflora
Needle Flower - Posoqueria multiflora
Needle Flower - Potamogeton cheesemanii
Pondweed - Potamogeton crispus
Curly Pondweed - Potamogeton tricarinatus
Floating Pondweed - Potentilla alba
Cinquefoil - Potentilla atrosanguinea
Himalayan Cinquefoil, Ruby Cinquefoil - Potentilla aurea
Cinquefoil - Potentilla erecta
Erect Cinquefoil - Potentilla eriocarpa
Cinquefoil - Potentilla fruticosa
Cinquefoil, Shrubby Five-Finger - Potentilla indica
Indian Strawberry - Potentilla nepalensis
Cinquefoil - Potentilla palustris
Marsh Cinquefoil | - Potentilla recta
Cinquefoil - Pouteria australis
Black Apple, Native Sapodilla - Pratia pedunculata
Blue Star Creeper, Matted Pratia - Pratia puberula
Trailing Pratia, Alpine Pratia - Primula aureata
Primrose - Primula bhutanica
Primrose - Primula malacoides
Primula, Fairy Primrose - Primula polyantha
Polyanthus - Primula vialii
Orchid Primula, Primrose - Primula vulgaris
English Primrose - Prinsepia uniflora
Prinsepia - Pritchardia gaudichaudii
Pritchardia Palm - Pritchardia munroi
Kamalo Pritchardia - Pritchardia pacifica
Fiji Fan Palm - Pritchardia thurstonii
Thurston's Fan Palm, Lau Fan Palm - Proboscidea fragrans
Proboscis Flower - Proboscidea louisianica
Unicorn Plant, Purple Devil's Claw, Elephant Tusks, Goat Head, Ram's Horn - Proiphys amboinensis
Cardwell Lily - Proiphys cunninghamii
Brisbane Lily - Prosopis cineraria
Ghaf - Prosopis glandulosa
Honey Mesquite - Prosopis velutina
Velvet Mesquite - Prostanthera caerulea
Lilac Mint Bush - Prostanthera cuneata
Alpine Mint Bush - Prostanthera densa
Mint Bush - Prostanthera denticulata
Rough Mint Bush - Prostanthera incana
Velvet Mint Bush - Prostanthera incana White
White Velvet Mint Bush - Prostanthera incisa
Cut Leaf Mint Bush - Prostanthera incisa Variegata
Variegated Cut Leaf Mint Bush - Prostanthera lasianthos
Victorian Christmas Bush, Victorian Dogwood - Prostanthera linearis
Narrow Leaf Mint Bush - Prostanthera nivea induta
Snowy Mint Bush - Prostanthera nivea nivea
Snowy Mint Bush - Prostanthera ovalifolia
Purple Mint Bush - Prostanthera ovalifolia Variegata
Variegated Purple Mint Bush - Prostanthera prunellioides
Prunella Mint Bush - Prostanthera rotundifolia
Round Leaf Mint Bush - Protea compacta
Pink Lady Protea, Bot River Sugar Bush - Protea cynaroides
King Protea - Protea cynaroides King White
White King Protea - Protea cynaroides Little Prince
Little Prince Protea - Protea eximia
Duchess Protea - Protea longifolia
Sir Lowry's Pass Sugar Bush - Protea magnifica
Woolly Bearded Protea - Protea neriifolia
Oleander Leaf Protea, Mink Protea - Protea repens
Real Sugar Bush, Honey Flower - Protea speciosa
Brown Bearded Protea - Prumnopitys andina
Plum Yew - Prumnopitys ladei
Mt Spurgeon Black Pine - Prunella grandiflora
Self Heal - Prunella vulgaris
Self Heal, Heal All, Carpenter's Weed - Prunus africana
African Cherry - Prunus avium
Bird Cherry, Wild Cherry, Sweet Cherry, Gean - Prunus blireana
Blireana Plum - Prunus campanulata
Taiwan Cherry - Prunus cerasifera Nigra
Purple Leaf Plum - Prunus dulcis
Almond - Prunus dulcis Purpurea
Double Crimson Flowering Almond - Prunus fremontii
Desert Apricot - Prunus glandulosa
Chinese Bush Cherry, Flowering Almond - Prunus glandulosa Alba Plena
Double White Dwarf Flowering Almond, Korean Cherry, Chinese Bush Cherry - Prunus glandulosa Sinensis
Double Pink Dwarf Flowering Almond, Korean Cherry, Chinese Bush Cherry - Prunus ilicifolia
Holly Leaf Cherry - Prunus laurocerasus
Cherry Laurel - Prunus laurocerasus Marbled White
Cherry Laurel - Prunus lusitanica
Portugal Laurel - Prunus lusitanica Variegata
Variegated Portugal Laurel - Prunus maackii
Manchurian Cherry - Prunus mahaleb
St Lucie Cherry, Mahaleb Cherry, Perfumed Cherry, Rock Cherry Tree - Prunus mume
Flowering Apricot, Chinese Plum, Japanese Apricot - Prunus padus
European Bird Cherry, Hackberry - Prunus pendula Pendula Rosea
Pink Weeping Cherry, Weeping Rosebud Cherry - Prunus pendula Plena
Double Weeping Rosebud Cherry - Prunus pensylvanica
Pin Cherry - Prunus persica
Peach - Prunus persica Alba Plena
Double White Flowering Peach - Prunus persica Harbinger
Double Flowering Peach - Prunus persica Klara Meyer
Double Pink Flowering Peach - Prunus persica Versicolor
Flowering Peach - Prunus sargentii
Sargent Cherry, Pink Flair Cherry - Prunus serotina
Wild Black Cherry, Rum Cherry - Prunus serrula
Tibetan Cherry, Birch Bark Cherry - Prunus serrulata
Japanese Flowering Cherry - Prunus Shirotae
Mt Fuji Flowering Cherry - Prunus Snow Fountains
Snow Fountains Weeping Higan Cherry, Rosebud Cherry - Prunus spinosa
Black Thorn, Sloe - Prunus subhirtella Falling Snow
Falling Snow Higan Cherry, Rosebud Cherry - Prunus subhirtella Pendula
Weeping Higan Cherry, Rosebud Cherry - Prunus tenella
Dwarf Russian Almond - Prunus triloba
Flowering Almond - Prunus virginiana
Virginian Bird Cherry, Wild Cherry - Prunus virginiana Shubert
Virginian Bird Cherry - Pseuderanthemum carruthersii Atropurpureum
Purple False Eranthemum, Purple Carruthers's False Face - Pseuderanthemum carruthersii Atropurpureum Variegatum
Variegated Purple False Eranthemum, Variegated Purple Carruthers's False Face - Pseuderanthemum carruthersii Reticulatum
Yellow Vein Shrub, Yellow Vein Carruthers's False Face - Pseuderanthemum carruthersii Variegatum
Variegated False Eranthemum, Variegated Carruthers's False Face - Pseuderanthemum variabile
Pastel Flower, Love Flower - Pseudodrynaria coronans
Santa Rosa Fern - Pseudogynoxys chenopodioides
Mexican Flame Vine, Orange Glow Vine, Mexican Love Vine - Pseudolarix amabalis
Golden Larch - Pseudopanax arboreus
Five Finger, Puahou - Pseudopanax crassifolius
Lancewood - Pseudopanax ferox
Toothed Lancewood, Fierce Lancewood, Savage Lancewood - Pseudopanax laetus
Pseudopanax - Pseudopanax lessonii
Houpara - Pseudopanax lessonii Gold Splash
Variegated Houpara - Pseudopanax lessonii Purpureus
Purple Houpara - Pseudophoenix sargentii
Florida Cherry Palm, Sargent's Cherry Palm - Pseudosasa japonica
Arrow Bamboo, Running Bamboo - Pseudoselago serrata
Selago - Pseudotsuga menziesii
Douglas Fir - Pseudotsuga menziesii glauca
Blue Douglas Fir - Pseudoweinmannia lachnocarpa
Rose Marara - Pseudowintera colorata
Horopito, Red Pepper Tree - Psidium cattleianum
Strawberry Guava, Purple Guava, Red Cherry Guava, Cattley Guava - Psidium cattleianum Lucidum
Yellow Strawberry Guava, Yellow Cherry Guava, Yellow Cattley Guava, Lemon Guava - Psidium guajava
Guava - Psilotum nudum
Fork Fern, Whisk Fern - Psoralea affinis
Scurfy Pea - Psoralea pinnata
African Scurfy Pea, Taylorina - Psorothamnus schottii
Schott's Indigo Bush - Psorothamnus spinosus
Desert Smoke Tree - Psychotria loniceroides
Hairy Psychotria - Psydrax lamprophylla
Large Leaf Canthium - Psylliostachys
Statice - Ptelea trifoliata
Hop Tree - Ptelea trifoliata Aurea
Golden Hop Tree - Pteridium esculentum
Bracken - Pteris argyraea
Silver Brake Fern - Pteris cretica
Table Fern, Cretan Fern, Cretan Brake, Ribbon Fern - Pteris cretica Albo-lineata
Variegated Cretan Brake, Variegated Bird's Foot Fern, Variegated Table Fern - Pteris ensiformis
Sword Brake Fern, Slender Brake - Pteris ensiformis Victoriae
Variegated Sword Brake Fern, Slender Brake - Pteris tremula
Tender Brake Fern - Pteris tricolor
Painted Brake Fern - Pteris tripartita
Giant Brake Fern, Lacy Brake, Trisect Brake Fern - Pteris umbrosa
Jungle Fern - Pteris vittata
Chinese Brake Fern - Pterocactus
Pterocactus - Pterocarpus indicus
Angsana, Burmese Rosewood - Pterocarpus rotundifolius
Round Leaf Bloodwood - Pterocarya stenoptera
Chinese Wing Nut - Pteroceltis tatarinowii
Pteroceltis - Pterocephalus perennis
Pincushion Flower - Pterodiscus
Pterodiscus - Pterostyrax hispida
Epaulette Tree - Ptilothrix deusta
Ptilothrix - Ptilotus exaltatus
Pink Mulla Mulla, Pink Pussy Tails, Showy Foxtails - Ptilotus exaltatus Joey
Pink Mulla Mulla, Pink Pussy Tails - Ptilotus manglesii
Rose Tipped Mulla Mulla - Ptychosperma elegans
Solitaire Palm - Ptychosperma macarthurii
Macarthur Palm - Pueraria montana lobata
Kudzu Vine - Pulmonaria angustifolia
Blue Cowslip - Pulmonaria officinalis
Jerusalem Cowslip, Lung Wort, Jerusalem Sage, Lady's Milk, Adam and Eve, Bedlam Cowslip, Beggar's Basket, Bugloss Cowslip, Lady's Cowslip, Mary's Honeysuckle, Mary's Tears, Sage of Bethlehem, Soldiers and Sailors, Spotted Dog - Pulmonaria rubra
Red Lung Wort - Pulmonaria saccharata
Bethlehem Lung Wort, Jerusalem Sage, Bethlehem Sage, Blue and Pink Ladies, Joseph and Mary, Lady's Tears, Soldiers and Sailors - Pulmonaria saccharata Alba
White Bethlehem Lung Wort, Jerusalem Sage, Bethlehem Sage - Pulmonaria saccharata Argentea Group
Bethlehem Lung Wort, Jerusalem Sage, Bethlehem Sage - Pulsatilla vulgaris
European Pasque Flower - Pultenaea parviflora
Bush Pea - Pultenaea procumbens
Heathy Bush Pea - Pultenaea stipularis
Fine Leaf Bush Pea - Pultenaea villosa
Hairy Bush Pea - Pultenaea villosa Wallum Gold
Wallum Gold Bush Pea - Punica granatum
Pomegranate - Punica granatum Legrelleae
Double Pomegranate - Punica granatum Nana
Dwarf Pomegranate - Puschkinia scilloides
Striped Squill, Lebanon Squill - Putoria calabrica
Stinking Madder - Puya berteroniana
Blue Puya, Sapphire Tower, Bromeliad - Puya chilensis
Puya - Puya coerulea
Bromeliad - Puya coerulea violacea
Bromeliad - Puya mirabilis
Puya - Puya raimondii
Puya - Puya spathacea
Puya - Pycnosorus globosus
Billy Buttons, Bachelor's Buttons, Golden Drumsticks - Pycnostachys dawei
Pycnostachys - Pycnostachys urticifolia
Blue Boys - Pyracantha angustifolia
Narrow Leaf Firethorn - Pyracantha fortuneana
Chinese Firethorn, Broad Leaf Firethorn - Pyrola rotundifolia
Round Leaf Wintergreen - Pyrostegia venusta
Orange Trumpet Creeper, Flame Vine - Pyrrosia lingua
Japanese Felt Fern, Tongue Fern - Pyrrosia rupestris
Rock Felt Fern - Pyrus calleryana
Callery Pear, Bradford Pear, Chinese Wild Pear - Pyrus calleryana Capital
Capital Pear - Pyrus communis
Pear - Pyrus nivalis
Snow Pear - Pyrus salicifolia
Willow Leaf Pear - Pyrus salicifolia Pendula
Weeping Willow Leaf Pear - Pyrus ussuriensis
Manchurian Pear, Ussurian Pear, Harbin Pear
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