P

Genus/species/cultivar
Paliurus spina-christi
Parrotia persica
Parrotia persica ‘Burgundy’
Parrotia persica ‘Vanessa’
Parrotiopsis jacquemontiana
Paulownia tomentosa
Paulownia tomentosa ‘Coreana’
Paulownia tomentosa ‘Lilacina’
Phellodendron amurense
Phellodendron chinense
Phellodendron japonicum
Philadelphus ‘aff. ‘Virginal’
Philadelphus ‘Atlas’
Philadelphus ‘Audrey’
Philadelphus ‘Belle Etoile’
Philadelphus ‘Boule d’Argent’
Philadelphus ‘Bouquet Blanc’
Philadelphus ‘Buckley’s Quill’
Philadelphus ‘Burfordensis’
Philadelphus ‘Dame Blanche’
Philadelphus ‘Enchantment’
Philadelphus ‘Erectus’
Philadelphus ‘Frosty Morn’
Philadelphus ‘Gerbe de Neiges’
Philadelphus ‘Glacier’
Philadelphus ‘Innocence’
Philadelphus ‘Kasia’
Philadelphus ‘Lemon Hill’
Philadelphus ‘Limestone’
Philadelphus ‘Manteau d’Hermine’
Philadelphus ‘Marjorie’
Philadelphus ‘Minnesota Snowflake’
Philadelphus ‘Mont Blanc’
Philadelphus ‘Mrs E.l. Robinson’
Philadelphus ‘Oil de Pourpre’
Philadelphus ‘Rusalka’
Philadelphus ‘Silberregen’
Philadelphus ‘Sybille’
Philadelphus ‘Velleda’
Philadelphus ‘Virginal’
Philadelphus ‘White Rock’
Philadelphus argyrocalyx
Philadelphus brachybotrys
Philadelphus coronarius ‘Aureus’
Philadelphus coronarius ‘Variegatus’
Philadelphus delavayi
Philadelphus falconeri
Philadelphus floridus
Philadelphus grandiflorus
Philadelphus henryi
Philadelphus incanus
Philadelphus inodorus var. laxus
Philadelphus insignis
Philadelphus karwinskianus
Philadelphus lewisii
Philadelphus lewisii ‘Snow Velvet’
Philadelphus lewisii ‘Waterton’
Philadelphus maculatus ‘Mexican Jewel’
Philadelphus madrensis
Philadelphus microphyllus
Philadelphus nepalensis
Philadelphus pekinensis
Philadelphus purpurascens
Philadelphus satsumanus
Philadelphus schrenkii
Philadelphus sericanthus
Philadelphus sericanthus var. kulingensis
Philadelphus sp.
Philadelphus subcanus
Philadelphus subcanus var. magdalenae
Philadelphus subcanus var. wilsonii
Philadelphus tomentosus
Philadelphus tomentosus f. nepalensis
Philadelphus triflorus
Philadelphus x virginalis
Philadelphus zeyheri
Philadelphus zhejiangensis
Phillyrea angustifolia
Phillyrea angustifolia f. rosmarinifolia
Phillyrea latifolia
Photinia beauverdiana
Photinia beauverdiana var. notabilis
Photinia serratifolia
Photinia villosa
Photinia villosa var. laevis
Photinia x fraseri ‘Pink Marble ‘
Photinia x fraseri ‘Robusta’
Phyllostachys nigra
Phyllostachys nigra ‘Boryana’
Phyllostachys violascens
Physcocarpus bracteatus
Physocarpus amurensis
Physocarpus opulifolius ‘Dart’s Gold’
Picea abies
Picea abies ‘Argenteospica’
Picea abies ‘Aurea’
Picea abies ‘Finedonensis’
Picea abies ‘Inversa’
Picea abies ‘Pumila Nigra’
Picea abies ‘Reflexa’
Picea alcoquiana
Picea asperata
Picea brachytyla
Picea engelmannii
Picea engelmannii Glauca Group
Picea engelmannii subsp. mexicana
Picea farreri
Picea glauca
Picea jezoensis subsp. hondoensis
Picea koraiensis
Picea koyamae
Picea likiangensis
Picea likiangensis var. montigena
Picea likiangensis var. rubescens
Picea linzhiensis
Picea mariana
Picea maximowiczii
Picea meyeri
Picea obovata var. coerulea
Picea omorika
Picea omorika ‘Pendula’
Picea orientalis
Picea orientalis ‘Gracilis’
Picea orientalis ‘Skylands’
Picea pungens ‘Koster’
Picea pungens ‘Thomsen’
Picea pungens Glauca Group
Picea pungens Glauca Group ‘Hoopsii’
Picea pungens Glauca Group ‘Koster’
Picea pungens Glauca Group ‘Moerheimii’
Picea purpurea
Picea schrenkiana
Picea smithiana
Picea smithiana ‘Sunray’
Picea sp.
Picea spinulosa
Picea torano
Picea wilsonii
Pieris ‘Forest Flame’
Pieris japonica
Pieris japonica var. yakushimensis
Pieris taiwanensis
Pilgerodendron uviferum
Pinus aristata
Pinus armandii var. mastersiana
Pinus ayacahuite
Pinus banksiana
Pinus brutia
Pinus bungeana ‘Diamant’
Pinus bungeana ‘Silver Lace’
Pinus cembra
Pinus cembra Glauca Group
Pinus cembroides
Pinus contorta
Pinus contorta var. latifolia
Pinus coulteri
Pinus densata
Pinus densiflora
Pinus densiflora ‘Oculus-draconis’
Pinus densiflora ‘Umbraculifera’
Pinus durangensis
Pinus edulis
Pinus elliottii
Pinus flexilis
Pinus gerardiana
Pinus greggii
Pinus hartwegii
Pinus heldreichii
Pinus heldreichii ‘Aureospicata’
Pinus jeffreyi
Pinus montezumae
Pinus monticola
Pinus monticola ‘Strobicola’
Pinus mugo
Pinus muricata
Pinus nigra
Pinus nigra ‘Green Tower’
Pinus nigra subsp. laricio
Pinus parviflora ‘Blue Giant’
Pinus parviflora ‘Tempelhof’
Pinus parviflora Glauca Group ‘Glauca’
Pinus patula
Pinus peuce
Pinus pinaster
Pinus pinea
Pinus ponderosa
Pinus ponderosa var. scopulorum
Pinus radiata
Pinus sp.
Pinus strobus
Pinus sylvestris ‘Aurea’
Pinus sylvestris var. mongolica
Pinus tabuliformis
Pinus tabuliformis var.  mukdensis
Pinus taeda
Pinus taiwanensis
Pinus thunbergii
Pinus wallichiana
Pinus x holfordiana
Pinus x schwerinii
Planera aquatica
Platanus orientalis
Platanus x hispanica
Platycarya strobilacea
Podocarpus lawrencei
Poliothyrsis sinensis
Poncirus trifoliata
Populus ‘Marilandica’
Populus alba ‘Raket’
Populus alba ‘Richardii’
Populus balsamifera
Populus violascens
Populus x canadensis ‘Aurea’
Populus yunnanensis
Potentilla cf. fruticosa
Potentilla fruticosa ‘Abbotswood’
Potentilla fruticosa ‘Daydawn’
Potentilla fruticosa ‘Glenroy Pinkie’
Potentilla fruticosa ‘Hopleys Pink’
Potentilla fruticosa ‘Katherine Dykes’
Potentilla fruticosa ‘Manchu’
Potentilla fruticosa ‘Marion Red Robin’
Potentilla fruticosa ‘Mount Everest’
Potentilla fruticosa ‘Pink Queen’
Potentilla fruticosa ‘Snowbird’
Potentilla fruticosa ‘Snowflake’
Potentilla fruticosa ‘Tangerine’
Potentilla fruticosa ‘Tilford Cream’
Potentilla fruticosa ‘White Rain’
Potentilla fruticosa var. garndiflora
Potentilla hamiltonianus ‘Popcorn’
Potentilla parvifolia var. parvifolia
Prinsepia sinensis
Prinsepia uniflora
Prinsepia utilis
Prostanthera cuneata
Prumnopitys andina
Prunus ‘Accolade’
Prunus ‘Amanogawa’
Prunus ‘Aratama’
Prunus ‘Asano’
Prunus ‘Beni-tamanishiki’
Prunus ‘Beni-yutaka’
Prunus ‘Boton-zakura’
Prunus ‘Daikoku’
Prunus ‘Hally Jolivette’
Prunus ‘Hanagasa’
Prunus ‘Horinji’
Prunus ‘Ichiyo’
Prunus ‘Jo-nioi’
Prunus ‘Kanzan’
Prunus ‘Kouka’
Prunus ‘Kursar’
Prunus ‘Matsugae-beni-somei-goromo’
Prunus ‘Matsumae-aizen’
Prunus ‘Matsumae-akatsu-kinokane’
Prunus ‘Matsumae-asami’
Prunus ‘Matsumae-beni-murasaki’
Prunus ‘Matsumae-beni-somei’
Prunus ‘Matsumae-benitame’
Prunus ‘Matsumae-fuki’
Prunus ‘Matsumae-ha-kuho’
Prunus ‘Matsumae-hana-guruma’
Prunus ‘Matsumae-myojo’
Prunus ‘Matsumae-shirakinu’
Prunus ‘Matsumae-tamagasane’
Prunus ‘Matsumae-wakamushiya-zakura’
Prunus ‘Matsumae-yaekotobuki’
Prunus ‘Mikuruma-gaeshi’
Prunus ‘Ojochin’
Prunus ‘Okiku-zakura’
Prunus ‘Pandora’
Prunus ‘Pink Perfection’
Prunus ‘Pink Shell’
Prunus ‘Ranran’
Prunus ‘Shirotae’
Prunus ‘Shizuka’
Prunus ‘Shogun’
Prunus ‘Snow Goose’
Prunus ‘Tai-haku’
Prunus ‘Takasago’
Prunus ‘Taki-nioi’
Prunus ‘Ukon’
Prunus ‘Yae-murasaki-zakura’
Prunus avium
Prunus avium ‘Plena’
Prunus canescens
Prunus canescens x serrula
Prunus cerasifera ‘Hessei’
Prunus cerasifera ‘Nigra’
Prunus cerasus ‘Rhexii’
Prunus cyclamina
Prunus dulcis
Prunus grayana
Prunus hirtipes
Prunus incisa ‘Kojo-no-mai’
Prunus laurocerasus ‘Castlewellan’
Prunus laurocerasus ‘Latifolia’
Prunus laurocerasus ‘Otto Luyken’
Prunus laurocerasus ‘Schipkaensis Macrophylla’
Prunus laurocerasus ‘Taff’s Golden Gleam’
Prunus litigiosa
Prunus lusitanica
Prunus lusitanica ‘Variegata’
Prunus maackii ‘Amber Beauty’
Prunus matsumae ‘Matsumae-fuki’
Prunus mume ‘Beni-chidori’
Prunus nipponica var. kurilensis ‘Ruby’
Prunus padus
Prunus padus ‘Colorata’
Prunus padus ‘Watereri’
Prunus padus var. commutata
Prunus pensylvanica
Prunus pilosiuscula
Prunus rufa
Prunus sargentii
Prunus serrula
Prunus serrulata ‘Autumn Glory’
Prunus serrulata var. hupehensis
Prunus sogdiana
Prunus spinosa ‘Purpurea’
Prunus ssiori
Prunus subhirtella ‘Autumnalis’
Prunus subhirtella ‘Fukubana’
Prunus tenella ‘Fire Hill’
Prunus tomentosa
Prunus x blireana
Prunus x cistena
Prunus x dawyckensis
Prunus x incam ‘Okame’
Prunus x incam ‘Shosar’
Prunus x subhirtella
Prunus x subhirtella ‘Autumnalis’
Prunus x subhirtella ‘Fukubana’
Prunus x yedoensis
Pseudocydonia (Chaenomeles) sinensis
Pseudolarix amabilis
Pseudopanax (Metapanax) davidii
Pseudotsuga menziesii
Pseudotsuga menziesii ‘Blue Wonder’
Pseudotsuga menziesii var. glauca
Ptelea trifoliata
Ptelea trifoliata ‘Aurea’
Pterocarya macroptera var. insignis
Pterocarya rhoifolia
Pterocarya stenoptera
Pterocarya x rehderiana
Pterostyrax corymbosa
Pyracantha ‘Knap Hill Lemon’
Pyracantha ‘Soleil d’Or’
Pyracantha atalantioides
Pyracantha crenatoserrata
Pyrus ‘Pitmaston Duchess’
Pyrus amygdaliformis
Pyrus calleryana ‘Bradford’
Pyrus calleryana ‘Chanticleer’
Pyrus caucasica
Pyrus cordata
Pyrus gharbiana
Pyrus kotschyana
Pyrus longipes
Pyrus michauxii
Pyrus nivalis
Pyrus phaeocarpa
Pyrus regelii
Pyrus salicifolia ‘Pendula’
Pyrus sp.
Pyrus ussuriensis