Last modified: 17 August 2005
3935 Pachysandra terminalis
1038 Pachysandra terminalis Variegata
8606 Paeonia (Tree)
8462 Paeonia After Glow
8463 Paeonia Arabian Prince
8342 Paeonia Argentine
8346 Paeonia Auguste Dessert
8345 Paeonia Aureole
8343 Paeonia Baroness Schroeder
8340 Paeonia Barrymore
7138 Paeonia Bowl of Beauty
7110 Paeonia Cornelia Shaylor
7798 Paeonia Crimson Glory
808 Paeonia Delavayi
8748 Paeonia Duchess of Kent
8600 Paeonia Duchess of Marlborough
8347 Paeonia Evening World
7863 Paeonia Globe of Light
7864 Paeonia Instituter Doriat
7799 Paeonia La Lorraine
8339 Paeonia Lord Kitchener
4893 Paeonia ludlowii
807 Paeonia lutea
8341 Paeonia Marie Crousse
8566 Paeonia mixed
2787 Paeonia mlokosewitschii
5237 Paeonia officinalis
809 Paeonia Potaninii
7736 Paeonia Rose of Delight
8344 Paeonia Sarah Bernhardt
7800 Paeonia Silver Flare
8322 Paeonia Souvenir de Maxime Cornu
1949 Paeonia suffruticosa
8026 Paeonia suffruticosa Chrometella
8025 Paeonia suffruticosa James Earl
8028 Paeonia suffruticosa Lord Selbourne
8027 Paeonia suffruticosa Mrs. William Kelway
7958 Paeonia suffruticosa x
810 Paeonia veitchii
1175 Pancratium maritimum
3764 Papaver orientalis
5543 Papaver rupifragum
4664 Papuacedrus arfakensis
1950 Parahebe bellioides
8066 Parahebe catarractae rosea
1192 Parahebe hookeriana
1407 Parahebe lyallii
8336 Parahebe perfoliata
1404 Parahebe trifida
2198 Parochetus communis
1953 Parrotia persica
1952 Parrotiopsis jacquemontiana
4418 Parthenocissus
1954 Parthenocissus henryana
1955 Parthenocissus quinquefolia
6997 Parthenocissus tricuspidata
5485 Passiflora
1416 Passiflora caerulea
1959 Paulownia tomentosa
1960 Pelargonium tetragonum
8112 Peltiphyllum peltatum
770 Pennisetum cruentree
780 Pennisetum villosum
1107 Penstemon
937 Penstemon alpinus
3771 Penstemon azureus
4115 Penstemon confertus caeruleo-purpureus
2123 Penstemon gentianoides
3776 Penstemon isophyllus
1227 Penstemon newberryi
5544 Penstemon Pink Dragon
1961 Penstemon scouleri
6212 Penstemon Sour Grapes
4048 Penstemon virens
1557 Pentapterygium serpens
2140 Periploca graeca
462 Pernettya
7087 Pernettya Mother of Pearl
1962 Pernettya mucronata
4839 Pernettya mucronata Alba
8254 Pernettya mucronata Mascula
8255 Pernettya mucronata Snow White
2870 Pernettya pink
6039 Pernettya red
1963 Pernettya tasmanica
6530 Perovskia atriplicifolia
7162 Perovskia atriplicifolia Blue Spire
6986 Perovskia atriplicifolia Royal Spire
6210 Perovskia Glory
3608 Phaedranthus buccinatorius
7504 Phalaris arundinacea Picta
6678 Phellodendron chinense
1966 Phellodendron japonica
1967 Phellodendron piriforae
577 Philadelphus
7559 Philadelphus "Beaclerk"
7679 Philadelphus Belle Etoile
7212 Philadelphus cornonarius Aureas
1926 Philadelphus coronarius
1927 Philadelphus delavayi
1928 Philadelphus gordonianus
2882 Philadelphus Irene Patterson
8007 Philadelphus lemoinei Erectus
4179 Philadelphus lewisii
7344 Philadelphus Manteau d'Hermine
4176 Philadelphus pubescens
1483 Philadelphus schrenkii
4775 Philadelphus sericanthus
7213 Philadelphus Silver Showers
585 Philadelphus Virginal
6883 Philadelphus Virginal L.A.82
1930 Philadelphus Virginal x lemoinei
1929 Philadelphus x lemoinei
1933 Philadelphus x purpureomaculatus
1233 Philesia magellanica
559 Phillyrea
1934 Phillyrea angustifolia
1935 Phillyrea decora
1936 Phillyrea latifolia
3712 Phillyrea latifolia media
1228 Phlomis alpina
1281 Phlomis chrysophylla
567 Phlomis fruticosa
1937 Phlomis fruticosa Pink Form
1939 Phlomis italica
495 Phlomis viscosa
1111 Phlox
8802 Phlox (mauve)
6131 Phlox Brightness
6756 Phlox Chintz
4050 Phlox douglasii Rosae
4049 Phlox douglasii Waterloo
8068 Phlox hoodii Ice Mountain
3783 Phlox paniculata
7849 Phlox Pink
8069 Phlox subulata Alexander's Surprise
8070 Phlox subulata Amazing Grace
4113 Phlox subulata cv.
8071 Phlox subulata Daniels Cushion
8072 Phlox subulata Marjorie
2828 Phlox subulata pink
1941 Phoenix dactylifera
717 Phormium
6573 Phormium colensoi
6803 Phormium Maori Sunrise
8623 Phormium Purpureum
8616 Phormium Sundance
8511 Phormium Sundowner
1944 Phormium tenax
8132 Phormium tenax Maori Sunshine
4596 Phormium tenax purpureum
6012 Phormium tenax red
4597 Phormium tenax Variegatum
1945 Phormium tenax Veitchii
8358 Photinia
1026 Photinia glabra Robusta
7163 Photinia Red Robin
1943 Photinia serrulata
1861 Photinia undulata
1862 Photinia undulata Fructo-Luteo
1942 Photinia villosa
7780 Photinia x fraseri
5109 Photinia x fraseri Robusta
5014 Phygelius aequalis
1940 Phygelius capensis
7240 Phyllitis scolopendrium
7184 Phyllitis scolopendrium Crispa
3420 Phyllocladus asplenifolius
4662 Phyllocladus trichomanoides
5652 Phyllodoce aleutica
5653 Phyllodoce glanduliflora
8242 Phyllostachys flexuosa
8739 Physocarpus opulifolius Darts Gold
8097 Physostegia virginiana
3755 Physostegia virginiana Alba
1947 Physostegia virginiana Nana
1202 Phyteuma halleri
2180 Phyteuma scheuchzeri
4193 Picea
720 Picea abies
1566 Picea asperata
1070 Picea atanensis
1068 Picea breweriana
1918 Picea engelmanii Radnor
1592 Picea engelmannii
1910 Picea formosa forrestii
1067 Picea glauca
1919 Picea glauca albertiana
1911 Picea japonica variegata
1920 Picea jezoensis
1921 Picea koyamai
4960 Picea likiangensis
1922 Picea mariana
3422 Picea morrisonicola
1923 Picea omorika
1924 Picea orientalis
5054 Picea pinsapo
1076 Picea polita
1099 Picea pungens
6580 Picea pungens Koster
4793 Picea rubens
1925 Picea sitchensis
1907 Picea smithiana
1908 Picea spinulosa
1600 Picea x lutzii
6529 Picrasma quassioides
8798 Pieris
8196 Pieris Flaming Silver
2207 Pieris floribunda
8256 Pieris floribunda Forest Flame
2156 Pieris floribunda Pink Form
2206 Pieris floribunda Rose Pink
5961 Pieris formosa
1909 Pieris formosa forrestii
2157 Pieris japonica
7680 Pieris japonica Debutante
8195 Pieris japonica Flaming Silver
2005 Pieris japonica taiwanensis
2085 Pieris japonica Variegata
1264 Pilea morrisonicola
1282 Pileostegia viburnoides
5171 Pimelea hypericina
342 Pinus
979 Pinus aristata
1912 Pinus armandii
1913 Pinus ayacahuite
1914 Pinus ayacahuite var.typica
690 Pinus ayacahuite veitchii
1602 Pinus banksiana
1360 Pinus bruth piza
3423 Pinus brutia
869 Pinus bungeana
2210 Pinus californicus
5966 Pinus canariensis
4582 Pinus caribaea
1279 Pinus cembra
7060 Pinus cembra chlorocarpa
4194 Pinus cembroides
4199 Pinus cembroides monophylla
1102 Pinus cocarpa
639 Pinus contorta
5869 Pinus cooperi
1613 Pinus coulteri
1561 Pinus densiflora
1064 Pinus divaricata
1893 Pinus echinata
4096 Pinus eldarica
3146 Pinus esirosa
799 Pinus flexilis
1187 Pinus flexilis James
1230 Pinus funcinata
1591 Pinus funebris
5359 Pinus gerardiana
1895 Pinus greggii
5364 Pinus griffithii
1896 Pinus halepensis
1897 Pinus halepensis brutia
5930 Pinus halepensis stankewiczii
1104 Pinus hamata
5932 Pinus hamoda
1585 Pinus jeffreyi
3424 Pinus kesiya
5845 Pinus koraiensis
1584 Pinus lambertiana
6642 Pinus mariana
5383 Pinus massoniana
4340 Pinus monophylla
1902 Pinus montezumae
5889 Pinus montezumae durangensis
1259 Pinus montezumae hartwegii
1904 Pinus montezumae rudis
1587 Pinus monticola
1601 Pinus morrisonicola
2671 Pinus mugo
7215 Pinus mugo Mops
8235 Pinus mugo pumila
2676 Pinus muricata
1906 Pinus nigra
6869 Pinus nigra austriaca
1885 Pinus nigra caramanica
1886 Pinus nigra maritima
1589 Pinus nigra pallasiana
3425 Pinus nudis
5441 Pinus ovacarpus
6135 Pinus pahila
1888 Pinus palustris
1889 Pinus parviflora
1615 Pinus patula
652 Pinus peuce
1890 Pinus pinaster
677 Pinus pinea
1891 Pinus polita
1417 Pinus ponderosa
4542 Pinus procera
6136 Pinus pseudostrobus
6137 Pinus pseudostrobus oaxacana
7216 Pinus pumila
1892 Pinus pungens
850 Pinus radiata
1581 Pinus removata
1079 Pinus resinosa
1229 Pinus rigida
3147 Pinus roxburghii
4089 Pinus sosnowskia
1237 Pinus strobus
4817 Pinus strobus chiapensis
4677 Pinus strobus Contorta
640 Pinus sylvestris
7896 Pinus sylvestris Aurea
4318 Pinus tabuliformis
3132 Pinus taeda
1301 Pinus taiwanensis
3133 Pinus thunbergii
1547 Pinus torreyana
3134 Pinus wallichiana
4341 Pinus wilsonii
1898 Pinus x holfordiana
6776 Pinus x hunnewellii
3426 Pinus yunnanensis
3135 Piptanthus forrestii
2228 Piptanthus laburnifolius
2403 Piptanthus nepalensis
699 Pittosporum
3136 Pittosporum crassifolium
7841 Pittosporum dallii
1481 Pittosporum divaricatum
6597 Pittosporum forsteri
6728 Pittosporum Garnettii
882 Pittosporum heterophyllum
7986 Pittosporum Irene Paterson
596 Pittosporum Phyllis Moore
595 Pittosporum Purpureum
3137 Pittosporum ralphii
3138 Pittosporum tenuifolium
1254 Pittosporum tenuifolium garnettii
8157 Pittosporum tenuifolium Silver Queen
6025 Pittosporum tenuifolium Variegatum
3140 Pittosporum tobira
1181 Pittosporum undulatum
5816 Pittosporum wrightii
7057 Plagianthus divaricatus
630 Platanus
633 Platanus orientalis
5238 Platanus x acerifolia
1261 Platycodon grandiflorus
8323 Platycodon grandiflorus Mariesii
1231 Plumbago capensis
782 Poa chaixii
768 Poa nemoralis
504 Podocarpus
3141 Podocarpus acutifolius
3142 Podocarpus alpinus
3143 Podocarpus andinus
3144 Podocarpus dacrydioides
3145 Podocarpus falcatus
553 Podocarpus ferrugineus
554 Podocarpus henkech
2106 Podocarpus lenkelli
550 Podocarpus macrophyllus
3825 Podocarpus macrophyllus maki
1291 Podocarpus nagi
4659 Podocarpus nivalis
3950 Podocarpus nubigenus
1047 Podocarpus packydioides
1540 Podocarpus salignus
3127 Podocarpus totara
1251 Podophyllum emodi
968 Podophyllum versipelle
1347 Polygala chamaebuxus
5182 Polygonatum multiflorum
7522 Polygonatum x hybridum
4736 Polygonum
8710 Polygonum affinis Darjeeling Red
8291 Polygonum affinis Donald Lowndes
3128 Polygonum baldschuanicum
8324 Polygonum bistorta superbum
3129 Polygonum vacciniifolium
5188 Polystichum aculeatum proliferum
8673 Polystichum falcatum
8672 Polystichum lonchitis
7302 Polystichum setigerum
7241 Polystichum setigerum Densum
2240 Pomaderris
8559 Pomaderris apetala
2100 Pomaderris elliptica
1179 Poncirus trifoliata
4917 Pontaderia cordata
2396 Populus
6094 Populus candicans
4355 Populus Eugenei
3865 Populus Hybrid
594 Populus nigra
3131 Populus nigra italica
4970 Populus Serotina
682 Populus trichocarpa
4210 Populus x candicans Aurora
501 Potentilla
7557 Potentilla Abbotswood
3104 Potentilla alba
3105 Potentilla beesii
8099 Potentilla davurica Abbotswood
8355 Potentilla davurica Manchu
7941 Potentilla davurica Mount Everest
7811 Potentilla davurica Veitchii
7357 Potentilla Day Dawn
5696 Potentilla Donards Gold
7089 Potentilla Elizabeth
5549 Potentilla eriocarpa
8008 Potentilla fruiticosa Sommerflor
3106 Potentilla fruticosa
3838 Potentilla fruticosa cv.
8430 Potentilla fruticosa Gold Digger
7023 Potentilla fruticosa Jackman's Variety
3703 Potentilla fruticosa jackmanii
3108 Potentilla fruticosa Klondike
4871 Potentilla fruticosa Longacre
4395 Potentilla fruticosa Mandschurica
7781 Potentilla fruticosa Pretty Polly
6294 Potentilla fruticosa Primrose Beauty
8740 Potentilla fruticosa Sommerflor
4229 Potentilla fruticosa sunset
6942 Potentilla fruticosa veitchii
8761 Potentilla Gold Drop
7127 Potentilla Goldfinger
2862 Potentilla montana Mount Everest
5189 Potentilla parvifolia
8151 Potentilla parvifolia Princess
7782 Potentilla parvifolia Red Ace
7341 Potentilla Pretty Polly
4892 Potentilla purdonii
7090 Potentilla Red Ace
7934 Potentilla Red Star
8383 Potentilla STL
7869 Potentilla Sunset
7164 Potentilla Tangerine
7935 Potentilla Veitchii
8074 Potentilla verna nana
7437 Potentilla White
1336 Pratia angulata
4916 Primula
3780 Primula Auricula
3110 Primula auricula rufus
3111 Primula burmanica
3756 Primula denticulata
3112 Primula farinosa
5744 Primula florindae
8075 Primula Garryard Guinievere
8076 Primula Lady Greer
5529 Primula saxatilis
5530 Primula secundiflora
3725 Primula veris x vulgaris
2906 Primula waltonii
3113 Primula warshenewskiana
3114 Promenaea stapelioides
3115 Prostanthera rotundifolia
371 Prostranthera
464 Prunus
7885 Prunus Amanogawa
4590 Prunus autumnalis
2408 Prunus avium
7257 Prunus avium Plena
6569 Prunus cerasifera
7825 Prunus cerasifera Atropurpurea
3118 Prunus cerasifera Nigra
3119 Prunus cerasifera Nigra Woodii
5896 Prunus cerasifera Pissardii
6293 Prunus cerasus cistena
8742 Prunus cistena Crimson Dwarf
6295 Prunus dulcis nana
4891 Prunus glandulosa Albi Plena
7916 Prunus Kansan
6279 Prunus kueilensis
2342 Prunus laurocerasus
7951 Prunus laurocerasus Otto Luyken
6554 Prunus laurocerasus Rotundifolia
3094 Prunus laurocerasus Variegata
7165 Prunus laurocerasus Zabeliana
6578 Prunus longipes
3095 Prunus lusitanica
434 Prunus lusitanica Variegata
3126 Prunus macrophylla
7044 Prunus napaulensis
4593 Prunus oxyedoensis
4292 Prunus padus
3096 Prunus persica Atropurpurea
3586 Prunus sargentii
8638 Prunus sargentii Rancho
7925 Prunus serrula
7253 Prunus serrula tibetica
2000 Prunus serrulata
5286 Prunus serrulata Shirofugen
4281 Prunus spinosa
6288 Prunus spinosa Rosea
2405 Prunus subhirtella autumnalis
7919 Prunus subhirtella Autumnalis
7888 Prunus subhirtella Autumnalis Rosea
7887 Prunus Tai-haku
4592 Prunus tarhaku
3098 Prunus triloba
3684 Prunus triloba Flore-Pleno
7886 Prunus Ukon
7889 Prunus yedoensis
537 Pseudopanax crassifolium
3100 Pseudopanax lessonii
8744 Pseudosasa japonica Variegata
8617 Pseudosasa Variegata
3427 Pseudotsuga macrocarpa
5683 Pseudotsuga macrocarpa glauca
3101 Pseudotsuga menziesii
5415 Pseudotsuga menziesii flahoultii
5416 Pseudotsuga menziesii flahoultii glauca
3102 Pseudotsuga menziesii glauca
6134 Pseudotsuga taxifolia
3428 Pseudotsuga wilsoniana
7881 Pseudowintera colorata
2067 Psidium cattleianum
3103 Ptelea trifoliata
6386 Pterocarya caucasica
530 Pterocarya stenoptera
1457 Pterostyrax hispida
2832 Ptilotrichum pyrenaicum
5349 Pueraria lobata
8257 Pulmonaria angustifolia Munstead Blue
8234 Pulmonaria rubra Redstart
8514 Pulmonaria saccharata argentea
8326 Pulmonaria saccharata Mrs. Moon
1370 Pulsatilla bungeana
1211 Pulsatilla georgica
6978 Pulsatilla glorica
4129 Pulsatilla patens
4836 Pulsatilla vulgaris
2856 Punica granatum
4403 Punica granatum flore plena rubra
3084 Punica granatum nana
1182 Puya alpestris
3967 Puya chilensis
443 Pyracantha
8384 Pyracantha (orange)
4883 Pyracantha angustifolia
938 Pyracantha atalantioides
3085 Pyracantha coccinea
3086 Pyracantha crenulata Flava
8212 Pyracantha Golden Charmer
7562 Pyracantha Golden Dome
7689 Pyracantha Mohave
8381 Pyracantha Orange Charmer
587 Pyracantha Orange Glow
4100 Pyracantha red berry
8779 Pyracantha Red Cushion
3087 Pyracantha rogersiana
3088 Pyracantha rogersiana flava
7692 Pyracantha Shawnee
8009 Pyracantha Soleil d'Or
8515 Pyracantha Sparkler
7693 Pyracantha Teton
6539 Pyracantha Watereri
3093 Pyrus salicifolia