| Nectarine, 'White Glory' weeping, Prunus persica var. nucipersica 'White Glory' |
| Oak, Bur, Quercus macrocarpa |
| Oak, Chestnut, Quercus prinus |
| Oak, Chinkapin, Quercus muehlenbergii |
| Oak, Columnar English, Quercus robur 'Fastigiata' |
| Oak, Daimyo, Quercus dentala |
| Oak, Durmast, Quercus petraea |
| Oak, English, Quercus robur |
| Oak, Georgia, Quercus georgiana |
| Oak, Henry tanbark, Lithocarpus henryi |
| Oak, Japanese blue, Quercus glauca |
| Oak, Laurel, Quercus hemisphaerica |
| Oak, Live, Quercus virginiana |
| Oak, Michaux, Quercus michauxii |
| Oak, Oriental, Quercus variabilis |
| Oak, Overcup, Quercus lyrata |
| Oak, Pin, Quercus palustris |
| Oak, Post, Quercus stellata |
| Oak, Red, Quercus rubra |
| Oak, Ring cupped, Quercus glauca |
| Oak, Sawtooth, Quercus acutissima |
| Oak, Scarlet, Quercus coccinea |
| Oak, Sessile, Quercus petraea |
| Oak, Shingle, Quercus imbricaria |
| Oak, Shumardi red, Quercus schumardii |
| Oak, Southern red, Quercus falcata |
| Oak, Swamp chestnut, Quercus michauxii |
| Oak, Swamp white, Quercus bicolor |
| Oak, Truffle, Quercus robur |
| Oak, Water, Quercus nigra |
| Oak, White, Quercus alba |
| Oak, Willow, Quercus phellos |
| Oldman's beard, Chionanthus virginicus |
| Olive, Wild, Osmanthus americanus |
| Osageorange; Hedgeapple, Maclura pomifera |
| Palm, Cabbage, Sabal palmetto |
| Palm, Windmill, Trachycarpus fortunei |
| Pawpaw, Asimina triloba |
| Peach, Corinthian, Prunus persica Corinthian hybrids |
| Peach, Prunus persica |
| Pear, Callery, Pyrus calleryana |
| Pear, Chinese sand, Pyrus pyrifolia |
| Pecan, Carya illinoinensis |
| Pekin willow, Salix matsudana 'Scarlet Curles' |
| Persian parrotia, Parrotia persica |
| Persimmon, Diospyros virginiana |
| Persimmon, Japanese, Diospyros khaki |
| Pine, Arolla, Pinus cembra |
| Pine, Austrian, Pinus nigra |
| Pine, Balen, Pinus peucea |
| Pine, Bosian, Pinus korariensis |
| Pine, Bosnian, Pinus heldreichii |
| Pine, Bristlecone, Pinus aristata |
| Pine, Butan, Pinus wallichiana |
| Pine, Cluster, Pinus piaster |
| Pine, David's, Pinus armandii |
| Pine, Dragon's-eye, Pinus densiflora 'Oculusdraconis' |
| Pine, Dwarf loblolly, Pinus taeda 'Dixie', 'Nana' |
| Pine, Eastern white, Pinus strobus |
| Pine, Himalayan, Pinus wallichiana |
| Pine, Jack, Pinus banksiana |
| Pine, Japanese black, Pinus thunbergiana |
| Pine, Japanese red, Pinus densifolia |
| Pine, Japanese umbrella, Sciadopitys verticillata |
| Pine, Japanese white, Pinus parviflora |
| Pine, Korean, Pinus korariensis |
| Pine, Lacebark, Pinus bungeana |
| Pine, Limber, Pinus flexilis |
| Pine, Loblolly, Pinus taeda |
| Pine, Longleaf, Pinus palustris |
| Pine, Macedonian, Pinus peucea |
| Pine, Maritime, Pinus piaster |
| Pine, Mugo, Pinus mugo |
| Pine, Pitch, Pinus rigida |
| Pine, Pond, Pinus serotina |
| Pine, Ponderosa, Pinus ponderosa |
| Pine, Ponderosa, Pinus ponderosa (var. scopulorum) |
| Pine, Scotch, Pinus sylvestris |
| Pine, Shortleaf, Pinus echinata |
| Pine, Spruce, Pinus glabra |
| Pine, Swiss mountain, Pinus mugo |
| Pine, Swiss stone, Pinus cembra |
| Pine, Umbrella, Sciadopitys verticillata |
| Pine, Virginia, Pinus virginiana |
| Pine, Walter's, Pinus glabra |
| Pine, Weeping white, Pinus strobus 'Pendula' |
| Pine, Western white, Pinus monticola |
| Pine, Western yellow, Pinus ponderosa |
| Pine, Yunnan, Pinus yunnanensis |
| Pistache, Chinese, Pistacia chinensis |
| Planetree, London, Platnus x acerifolia |
| Planetree, Oriental, Platanus orientalis (var. digitata) |
| Plum, American; Wild plum, Prunus americana |
| Plum, Blireiana, Prunus x bilireana |
| Plum, Chickasaw, Prunus angustifolia |
| Plum, Purple leaf, Prunus cerasifera |
| Plum, Wild, Prunus americana |
| Poinsettia tree, Pinckneya braceata |
| Poliothyrsis, Poliothyrsis sinensis |
| Poplar, Eastern, Populus deltoides |
| Poplar, Lombardy, Populus nigra |
| Poplar, Tulip, Liriodendron tulipifera |
| Poplar, Yellow, Liriodendron tulipifera |
| Possumhaw, Ilex decidua |
| Pussy willow, Salix caprea |
|
| Nectarine, 'White Glory' weeping, Prunus persica var. nucipersica 'White Glory' |
| Oak, Bur, Quercus macrocarpa |
| Oak, Chestnut, Quercus prinus |
| Oak, Chinkapin, Quercus muehlenbergii |
| Oak, Columnar English, Quercus robur 'Fastigiata' |
| Oak, Daimyo, Quercus dentala |
| Oak, Durmast, Quercus petraea |
| Oak, English, Quercus robur |
| Oak, Georgia, Quercus georgiana |
| Oak, Henry tanbark, Lithocarpus henryi |
| Oak, Japanese blue, Quercus glauca |
| Oak, Laurel, Quercus hemisphaerica |
| Oak, Live, Quercus virginiana |
| Oak, Michaux, Quercus michauxii |
| Oak, Oriental, Quercus variabilis |
| Oak, Overcup, Quercus lyrata |
| Oak, Pin, Quercus palustris |
| Oak, Post, Quercus stellata |
| Oak, Red, Quercus rubra |
| Oak, Ring cupped, Quercus glauca |
| Oak, Sawtooth, Quercus acutissima |
| Oak, Scarlet, Quercus coccinea |
| Oak, Sessile, Quercus petraea |
| Oak, Shingle, Quercus imbricaria |
| Oak, Shumardi red, Quercus schumardii |
| Oak, Southern red, Quercus falcata |
| Oak, Swamp chestnut, Quercus michauxii |
| Oak, Swamp white, Quercus bicolor |
| Oak, Truffle, Quercus robur |
| Oak, Water, Quercus nigra |
| Oak, White, Quercus alba |
| Oak, Willow, Quercus phellos |
| Oldman's beard, Chionanthus virginicus |
| Olive, Wild, Osmanthus americanus |
| Osageorange; Hedgeapple, Maclura pomifera |
| Palm, Cabbage, Sabal palmetto |
| Palm, Windmill, Trachycarpus fortunei |
| Pawpaw, Asimina triloba |
| Peach, Corinthian, Prunus persica Corinthian hybrids |
| Peach, Prunus persica |
| Pear, Callery, Pyrus calleryana |
| Pear, Chinese sand, Pyrus pyrifolia |
| Pecan, Carya illinoinensis |
| Pekin willow, Salix matsudana 'Scarlet Curles' |
| Persian parrotia, Parrotia persica |
| Persimmon, Diospyros virginiana |
| Persimmon, Japanese, Diospyros khaki |
| Pine, Arolla, Pinus cembra |
| Pine, Austrian, Pinus nigra |
| Pine, Balen, Pinus peucea |
| Pine, Bosian, Pinus korariensis |
| Pine, Bosnian, Pinus heldreichii |
| Pine, Bristlecone, Pinus aristata |
| Pine, Butan, Pinus wallichiana |
| Pine, Cluster, Pinus piaster |
| Pine, David's, Pinus armandii |
| Pine, Dragon's-eye, Pinus densiflora 'Oculusdraconis' |
| Pine, Dwarf loblolly, Pinus taeda 'Dixie', 'Nana' |
| Pine, Eastern white, Pinus strobus |
| Pine, Himalayan, Pinus wallichiana |
| Pine, Jack, Pinus banksiana |
| Pine, Japanese black, Pinus thunbergiana |
| Pine, Japanese red, Pinus densifolia |
| Pine, Japanese umbrella, Sciadopitys verticillata |
| Pine, Japanese white, Pinus parviflora |
| Pine, Korean, Pinus korariensis |
| Pine, Lacebark, Pinus bungeana |
| Pine, Limber, Pinus flexilis |
| Pine, Loblolly, Pinus taeda |
| Pine, Longleaf, Pinus palustris |
| Pine, Macedonian, Pinus peucea |
| Pine, Maritime, Pinus piaster |
| Pine, Mugo, Pinus mugo |
| Pine, Pitch, Pinus rigida |
| Pine, Pond, Pinus serotina |
| Pine, Ponderosa, Pinus ponderosa |
| Pine, Ponderosa, Pinus ponderosa (var. scopulorum) |
| Pine, Scotch, Pinus sylvestris |
| Pine, Shortleaf, Pinus echinata |
| Pine, Spruce, Pinus glabra |
| Pine, Swiss mountain, Pinus mugo |
| Pine, Swiss stone, Pinus cembra |
| Pine, Umbrella, Sciadopitys verticillata |
| Pine, Virginia, Pinus virginiana |
| Pine, Walter's, Pinus glabra |
| Pine, Weeping white, Pinus strobus 'Pendula' |
| Pine, Western white, Pinus monticola |
| Pine, Western yellow, Pinus ponderosa |
| Pine, Yunnan, Pinus yunnanensis |
| Pistache, Chinese, Pistacia chinensis |
| Planetree, London, Platnus x acerifolia |
| Planetree, Oriental, Platanus orientalis (var. digitata) |
| Plum, American; Wild plum, Prunus americana |
| Plum, Blireiana, Prunus x bilireana |
| Plum, Chickasaw, Prunus angustifolia |
| Plum, Purple leaf, Prunus cerasifera |
| Plum, Wild, Prunus americana |
| Poinsettia tree, Pinckneya braceata |
| Poliothyrsis, Poliothyrsis sinensis |
| Poplar, Eastern, Populus deltoides |
| Poplar, Lombardy, Populus nigra |
| Poplar, Tulip, Liriodendron tulipifera |
| Poplar, Yellow, Liriodendron tulipifera |
| Possumhaw, Ilex decidua |
| Pussy willow, Salix caprea |
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