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Last updated: Jun 26 2017

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Pachera - Phacelia

Pachera candidissima (1)
Pachira aquatica (6)
Pachira oleagina (1)
Pachycereus marginatus (17)
Pachycereus pecten-aboriginum (2)
Pachycereus pringlei (87)
Pachycereus schottii (22)
Pachycereus sp. (2)
Pachycereus tepamo (1)
Pachycormus discolor (12)
Pachycormus discolor var. pubescens (6)
Pachygone vitiensis (2)
Pachymenia saxicola (1)
Pachyphytum compactum (1)
Pachyphytum glutinicaule (1)
Pachyphytum kimnachii (1)
Pachyphytum oviferum (1)
Pachypleuria pectinata (2)
Pachypodium ambongense (1)
Pachypodium bispinosum (1)
Pachypodium densiflorum (1)
Pachypodium eburneum (1)
Pachypodium geayi (2)
Pachypodium horombense (1)
Pachypodium lamerei (10)
Pachypodium namaquanum (4)
Pachypodium rosulatum ssp. gracilius (10)
Pachypodium saundersii (2)
Pachypodium succulentum (2)
Pachypodium windsori (3)
Pachysandra terminalis (11)
Pachystachys coccinea (1)
Pachystachys lutea (6)
Pachystachys spicata (1)
Pachystegia insignis (7)
Pachystima myrsinites (12)
Pachyveria sp. (3)
Packera aurea (13)
Packera bernardina (26)
Packera bolanderi var. bolanderi (31)
Packera breweri (28)
Packera cana (79)
Packera clevelandii (23)
Packera crocata (3)
Packera cymbalarioides (4)
Packera dimorphophylla (1)
Packera eurycephala (7)
Packera eurycephala var. eurycephala (16)
Packera eurycephala var. lewisrosei (16)
Packera fendleri (9)
Packera ganderi (5)
Packera greenei (44)
Packera hesperia (6)
Packera indecora (4)
Packera ionophylla (62)
Packera layneae (41)
Packera macounii (22)
Packera multilobata (80)
Packera neomexicana var. mutabilis (8)
Packera pauciflora (27)
Packera pauciflora; (2)
Packera paupercula (4)
Packera plattensis (6)
Packera pseudaurea (3)
Packera schweinitziana (4)
Packera streptanthifolia (36)
Packera streptanthifolia var. streptanthifolia (12)
Packera subnuda (4)
Packera subnuda var. subnuda (6)
Packera werneriifolia (38)
Pacyveria sp. (1)
Padina (2)
Padina boryana (13)
Padina gymnospora (1)
Padina japonica (1)
Padina melemele cf (10)
Paederota bonarota (11)
Paederota lutea (5)
Paederota x-churchilli (3)
Paeonia broteri (1)
Paeonia brownii (59)
Paeonia californica (111)
Paeonia cambessedesii (2)
Paeonia delavayi (1)
Paeonia lactiflora (12)
Paeonia lutea (2)
Paeonia mascula ssp. russii (4)
Paeonia officinalis (15)
Paeonia suffruticosa (5)
Paeonia x hybrid (19)
Paepalanthus sp. (1)
Paesia divaricatissima (9)
Palafoxia arida (29)
Palafoxia arida ssp. arida (3)
Palafoxia arida var. arida (110)
Palafoxia arida var. gigantea (54)
Palafoxia feayi (4)
Palafoxia hookeriana (3)
Palafoxia rosea (2)
Palafoxia sphacelata (8)
Palafoxia texana (7)
Palisada parvipapillata (7)
Paliurus spina-christi (4)
Pallavicinia lyellii (1)
Pallenis maritima (3)
Pallenis spinosa (17)
Palmaria palmata (4)
Panax quinquefolius (12)
Panax trifolius (13)
Pancratium canariense (1)
Pancratium tenuifolium (1)
Pandanus sp. (2)
Pandanus tectorius (8)
Pandanus tectorius var. laevis (1)
Pandanus utilis (3)
Pandanus vandermeeschii (2)
Pandanus veitchii (1)
Pandorea jasminoides (2)
Panicum acuminatum (15)
Panicum acuminatum var. acuminatum (3)
Panicum acuminatum var. fasciculatum (1)
Panicum acuminatum var. lindheimeri (7)
Panicum acuminatum var. thermale (3)
Panicum antidotale (12)
Panicum capillare (24)
Panicum dichotomiflorum (3)
Panicum dichotomiflorum ssp. dichotomiflorum (6)
Panicum hirticaule (3)
Panicum hirticaule ssp. hirticaule (7)
Panicum maximum (2)
Panicum miliaceum ssp. miliaceum (3)
Panicum oligosanthes var. scribnerianum (7)
Panicum urvilleanum (19)
Panicum virgatum (2)
Pantoneura plocamioides (1)
Papaver alpinum ssp. ernesti-mayeri (8)
Papaver alpinum ssp. rhaeticum (5)
Papaver amurense (2)
Papaver argemone (1)
Papaver atlanticum (1)
Papaver californicum (28)
Papaver commutatum (2)
Papaver dahlianum (4)
Papaver dubium (1)
Papaver gorodkovii (4)
Papaver heterophyllum (96)
Papaver hybridum (9)
Papaver lapponicum (5)
Papaver nudicaule (10)
Papaver orientale (6)
Papaver radicatum (1)
Papaver rhoeas (27)
Papaver setigerum (1)
Papaver somniferum (26)
Papaver sp. (5)
Papaveraceae sp. (1)
Paphinia posadarum (2)
Paphiopedilum adductum (2)
Paphiopedilum callosum (2)
Paphiopedilum gratrixianum (1)
Paphiopedilum henryanum (1)
Paphiopedilum hirsutissimum (1)
Paphiopedilum insigne var. sanderae (2)
Paphiopedilum kolopakingii (2)
Paphiopedilum micranthum (1)
Paphiopedilum newlandii (2)
Paphiopedilum parishii (1)
Paphiopedilum philippinense var. laevigatum (2)
Paphiopedilum spicerianum (2)
Paphiopedilum sukhakulii (2)
Paphiopedilum villosum (2)
Papilio zelicaon (1)
Pappea capensis (9)
Paracaleana nigrita (1)
Paradisea liliastrum (11)
Paragymnopteris marantae (1)
Parajubaea cocoides (5)
Parajubaea torallyi (2)
Parapholis incurva (10)
Paraquilegia caespitosa (1)
Parasponia andersonii (3)
Parentucellia latifolia (19)
Parentucellia latifolia ssp. albiflora (1)
Parentucellia viscosa (62)
Parietaria diffusa (9)
Parietaria hespera (3)
Parietaria hespera var. californica (6)
Parietaria hespera var. hespera (14)
Parietaria judaica (20)
Parietaria pensylvanica (14)
Parinari curatellifolia (7)
Parinari littoralis (16)
Paris quadrifolia (9)
Parkinsonia aculeata (34)
Parkinsonia aculeta (1)
Parkinsonia florida (82)
Parkinsonia florida ssp. peninsulare (3)
Parkinsonia microphylla (60)
Parkinsonia praecox (11)
Parkinsonia praecox ssp. glauca (2)
Parkinsonia sp. (1)
Parkinsonia x sonorae (2)
Parnassia californica (5)
Parnassia cirrata (1)
Parnassia cirrata var. intermedia (26)
Parnassia fimbriata (36)
Parnassia fimbriata var. intermedia (8)
Parnassia glauca (19)
Parnassia palustris (88)
Parnassia palustris var. parviflora (1)
Parnassia parviflora (1)
Parnassia sp. (1)
Parodia dextrohamata (7)
Parodia dichroacantha (1)
Parodia erubescens (1)
Parodia faustiana (4)
Parodia haselbergii ssp. haselbergii (1)
Parodia leninghausii (2)
Parodia maassii (6)
Parodia magnifica (3)
Parodia mairanana (1)
Parodia mammulosa ssp. brasiliensis (2)
Parodia microsperma (5)
Parodia nivosa (2)
Parodia penicillata (1)
Parodia schumanniana (2)
Parodia scopa (5)
Parodia sellowii (2)
Parodia stuemeri (1)
Parodia submammulosa (3)
Parodia tafiensis (2)
Parodia tilcarensis (1)
Parodia warasii (1)
Parodiolyra micrantha (9)
Paronychia ahartii (8)
Paronychia canadensis (9)
Paronychia depressa (2)
Paronychia franciscana (11)
Paronychia jamesii (3)
Paronychia pulvinata (1)
Paronychia sessiliflora (5)
Parrotia persica (8)
Parrya nudicaulis (3)
Parryella filifolia (2)
Partenocissus quinquefolia (2)
Parthenice mollis (3)
Parthenium confertum (6)
Parthenium hysterophorus (17)
Parthenium incanum (11)
Parthenium integrifolium (25)
Parthenocissus (1)
Parthenocissus inserta (3)
Parthenocissus quinquefolia (16)
Parthenocissus tricuspidata (2)
Parthenocissus vitacea (13)
Parviphycus antipae (5)
Parvisedum pumilum (4)
Parvocaulis exigus (1)
Parvocaulis parvula (8)
Paspalum conjugatum (1)
Paspalum dilatatum (29)
Paspalum distichum (29)
Paspalum notatum (4)
Paspalum paniculatum (2)
Paspalum paspaloides (7)
Paspalum scrobiculatum (3)
Paspalum urvillei (7)
Paspalum vaginatum (11)
Passiflora alata (15)
Passiflora alatocaerulea (3)
Passiflora caerulea (14)
Passiflora citrina (2)
Passiflora colinvauxii (1)
Passiflora contracta (13)
Passiflora edula (1)
Passiflora edulis (6)
Passiflora foetida (28)
Passiflora foetida var. galapagensi (1)
Passiflora galbana (7)
Passiflora huamachucoensis (1)
Passiflora incarnata (15)
Passiflora loefgrenii x caerulia (1)
Passiflora lutea (13)
Passiflora maliformis (2)
Passiflora manicata (2)
Passiflora membranacea (2)
Passiflora quadrangularis (2)
Passiflora sp. (2)
Passiflora suberosa (4)
Passiflora subpeltata (3)
Passiflora tarminiana (3)
Passiflora tripartita var. mollissima (2)
Passiflora vitifolia (2)
Passiflora x 'coral glow' (4)
Pastinaca sativa (8)
Paullinia tomentosa (5)
Paulownia fargesii (2)
Paulownia tomentosa (32)
Pavonia aurigloba (1)
Paxistima myrsinites (16)
Pearcea hypocyrtiflora (3)
Pecluma alfredii (2)
Pectiantia breweri (43)
Pectiantia ovalis (14)
Pectiantia pentandra (21)
Pectis angustifolia var. angustifolia (12)
Pectis filipes (3)
Pectis longipes (3)
Pectis multisecta var. multisecta (5)
Pectis papposa (10)
Pectis papposa var. papposa (78)
Pectis prostrata (3)
Pectis tenuifolia (2)
Pectocarya anisocarpa (1)
Pectocarya heterocarpa (21)
Pectocarya linearis (3)
Pectocarya linearis ssp. ferocula (25)
Pectocarya penicillata (54)
Pectocarya peninsularis (5)
Pectocarya platycarpa (40)
Pectocarya pusilla (26)
Pectocarya recurvata (65)
Pectocarya setosa (38)
Pectocarya spp (linearis & recurvata) (1)
Pedicularis angustifolia (5)
Pedicularis attollens (82)
Pedicularis attollens ssp. attollens (4)
Pedicularis bracteosa (21)
Pedicularis bracteosa var. atrosanguinea (4)
Pedicularis bracteosa var. bracteosa (1)
Pedicularis bracteosa var. flavida (9)
Pedicularis bracteosa var. paysoniana (7)
Pedicularis canadensis (16)
Pedicularis capitata (6)
Pedicularis centranthera (33)
Pedicularis chamissonis (1)
Pedicularis contorta (26)
Pedicularis contorta var. contorta (1)
Pedicularis crenulata (8)
Pedicularis cystopteridifolia (1)
Pedicularis densiflora (184)
Pedicularis dudleyi (17)
Pedicularis elongata ssp. julica (5)
Pedicularis groenlandica (102)
Pedicularis gyroflexa (1)
Pedicularis howellii (5)
Pedicularis julica (7)
Pedicularis kanei (6)
Pedicularis kerneri (3)
Pedicularis lanata (5)
Pedicularis lanceolata (8)
Pedicularis langsdorffii (4)
Pedicularis langsdorffii ssp. arctica (1)
Pedicularis oederi (2)
Pedicularis ornithorhyncha (7)
Pedicularis palustris (8)
Pedicularis parryi (12)
Pedicularis parryi ssp. parryi (4)
Pedicularis parviflora (1)
Pedicularis procera (7)
Pedicularis racemosa (39)
Pedicularis racemosa ssp. alba (1)
Pedicularis racemosa var. alba (8)
Pedicularis rainierensis (3)
Pedicularis rostratocapitata (10)
Pedicularis rostratocapitata ssp. rostratocapitata (4)
Pedicularis semibarbata (96)
Pedicularis semibarbata var. charlestonensis (4)
Pedicularis sp. (5)
Pedicularis tuberosa (1)
Pedicularis verticillata (4)
Pedilanthus bracteatus (2)
Pedilanthus macrocarpus (12)
Pediocactus bradyi (10)
Pediocactus despainii (4)
Pediocactus knowltonii (3)
Pediocactus paradinei (3)
Pediocactus sileri (15)
Pediocactus simpsonii (18)
Pediocactus simpsonii var. minor (1)
Pediocactus simpsonii var. nigrispina (2)
Pediocactus simpsonii var. nigrispinus (1)
Pediocactus simpsonii var. robustior (13)
Pediocactus simpsonii var. simpsonii (16)
Pediomelum argophyllum (8)
Pediomelum californicum (42)
Pediomelum castoreum (10)
Pediomelum escuenta (1)
Pediomelum esculentum (7)
Pediomelum mephiticum (8)
Pediomelum pentaphyllum (2)
Pediomelum tenuiflorum (1)
Peganum harmala (18)
Peganum mexicana (8)
Pelagodoxa henryana (1)
Pelargonium (1)
Pelargonium alternans (1)
Pelargonium bowkeri (2)
Pelargonium capitatum (1)
Pelargonium carnosum ssp. rotundipetalum (1)
Pelargonium domesticum (5)
Pelargonium drummondii (2)
Pelargonium exstipulatum (2)
Pelargonium fissifolium (2)
Pelargonium fragrans (1)
Pelargonium fulgidum (1)
Pelargonium graveolens (3)
Pelargonium grossularioides (10)
Pelargonium hortorum (6)
Pelargonium ionidiflorum (2)
Pelargonium laevigatum (1)
Pelargonium laxum (1)
Pelargonium lobatum (1)
Pelargonium odoratissimum (2)
Pelargonium punctatum (1)
Pelargonium sidoides (2)
Pelargonium sp. (8)
Pelargonium tomentosum (2)
Pelargonium triste (4)
Pelargonium vitifolium (14)
Pelargonium X domesticum pink (1)
Pelargonium X hortorum red (1)
Pelecyphora aselliformis (2)
Pelecyphora strobiliformis (3)
Peleophycus multiprocarpium (14)
Pellaea andromedifolia (67)
Pellaea atropurpurea (9)
Pellaea brachyptera (23)
Pellaea brandegeei (1)
Pellaea breweri (18)
Pellaea bridgesii (28)
Pellaea calomelanos (1)
Pellaea glabella ssp. glabella (5)
Pellaea glaciogena (1)
Pellaea mucronata (25)
Pellaea mucronata ssp. californica (2)
Pellaea mucronata var. californica (42)
Pellaea mucronata var. mucronata (26)
Pellaea peruviana (1)
Pellaea rotundifolia (1)
Pellaea sp. (1)
Pellaea ternifolia (2)
Pellaea truncata (13)
Pellia endiviifolia (5)
Pellia epiphylla (5)
Peltandra sagittifolia (2)
Peltandra virginica (2)
Peltigera aphthosa (1)
Peltiphyllum peltatum (6)
Peltophorum africanum (14)
Peltophorum pterocarpum (3)
Pelvetia canaliculata (1)
Pelvetia fastigiata (1)
Pelvetiopsis limitata (4)
Pemphis acidula (1)
Peniocereus castellae (4)
Peniocereus cuixmalensis (5)
Peniocereus fosterianus (1)
Peniocereus fosterianus var. nizandensis (2)
Peniocereus greggii (4)
Peniocereus greggii var. greggii (7)
Peniocereus greggii var. transmontanus (6)
Peniocereus guatemalensis (4)
Peniocereus haakeanus (1)
Peniocereus johnstonii (5)
Peniocereus lazaro-cardenasii (3)
Peniocereus macdougallii (2)
Peniocereus maculatus (5)
Peniocereus marianus (6)
Peniocereus marnierianus (4)
Peniocereus oaxacensis (2)
Peniocereus occidentalis (3)
Peniocereus rosei (6)
Peniocereus serpentinus (3)
Peniocereus sp. (3)
Peniocereus striatus (9)
Peniocereus tepalcatepecanus (2)
Peniocereus viperinus (3)
Peniocereus zopilotensis (4)
Pennisetum alopecuroides (1)
Pennisetum ciliare (16)
Pennisetum clandestinum (20)
Pennisetum glaucum (13)
Pennisetum latifolium (3)
Pennisetum polystachion (2)
Pennisetum setaceum (41)
Pennisetum villosum (16)
Penstemon (2)
Penstemon acuminatus var. acuminatus (3)
Penstemon acuminatus var. latebracteatus (14)
Penstemon alamosensis (5)
Penstemon albertinus (4)
Penstemon albidus (16)
Penstemon albomarginatus (20)
Penstemon ambiguus (10)
Penstemon ambiguus var. laevissimus (3)
Penstemon anguineus (33)
Penstemon angustifolius (4)
Penstemon arenicola (3)
Penstemon aridus (4)
Penstemon attenuatus var. palustris (8)
Penstemon azureus (15)
Penstemon azureus ssp. azureus (6)
Penstemon azureus var. angustissimus (23)
Penstemon azureus var. azureus (51)
Penstemon baccharifolius (19)
Penstemon barbatus (2)
Penstemon barbatus ssp. torreyi (9)
Penstemon barbatus var. torreyi (5)
Penstemon barbatus var. trichander (1)
Penstemon barnebyi (13)
Penstemon barrettiae (5)
Penstemon bicolor (18)
Penstemon bicolor ssp. bicolor (8)
Penstemon bicolor ssp. roseus (13)
Penstemon bracteatus (7)
Penstemon caesius (59)
Penstemon caespitosus (3)
Penstemon caespitosus var. desertipicti (8)
Penstemon calcareus (23)
Penstemon californicus (21)
Penstemon campanulatus (15)
Penstemon cardinalis (3)
Penstemon cardwellii (5)
Penstemon carnosus (5)
Penstemon centranthifolius (81)
Penstemon cinereus (1)
Penstemon cinicola (11)
Penstemon clevelandii (3)
Penstemon clevelandii var. clevelandii (45)
Penstemon clevelandii var. connatus (39)
Penstemon clutei (6)
Penstemon comarrhenus (11)
Penstemon concerts (1)
Penstemon concinnus (16)
Penstemon confertus (21)
Penstemon confusus (21)
Penstemon cusickii (11)
Penstemon cyananthus (7)
Penstemon cyananthus var. cyananthus (4)
Penstemon cyaneus (5)
Penstemon davidsonii (45)
Penstemon davidsonii var. davidsonii (47)
Penstemon davidsonii var. menziesii (2)
Penstemon davidsonii var. praeteritus (6)
Penstemon debilis (4)
Penstemon deustus (50)
Penstemon deustus var. pedicellatus (16)
Penstemon deustus var. suffrutescens (12)
Penstemon digitalis (21)
Penstemon dolius (9)
Penstemon dolius var. dolius (4)
Penstemon eatonii (34)
Penstemon eatonii ssp. eatonii (2)
Penstemon eatonii ssp. undosus (2)
Penstemon eatonii var. eatonii (3)
Penstemon eatonii var. undosus (5)
Penstemon ellipticus (3)
Penstemon eriantherus (17)
Penstemon eriantherus var. eriantherus (13)
Penstemon euglaucus (5)
Penstemon faciculatus (3)
Penstemon filiformis (22)
Penstemon floridus (12)
Penstemon floridus var. austinii (20)
Penstemon floridus var. floridus (52)
Penstemon fruticiformis (2)
Penstemon fruticiformis ssp. amargosae (4)
Penstemon fruticiformis var. amargosae (11)
Penstemon fruticiformis var. fruticiformis (24)
Penstemon fruticosus (15)
Penstemon gairdneri (4)
Penstemon gairdneri var. gairdneri (4)
Penstemon glaber (6)
Penstemon glaber var. alpinus (10)
Penstemon glaber var. brandegeei (2)
Penstemon globosus (7)
Penstemon gloxinoides (2)
Penstemon gracilentus (60)
Penstemon gracilis (10)
Penstemon grandiflorus (19)
Penstemon griffinii (3)
Penstemon grinnellii (60)
Penstemon grinnellii ssp. scrophularioides (3)
Penstemon grinnellii var. grinnellii (86)
Penstemon grinnellii var. scrophularioides (3)
Penstemon hallii (13)
Penstemon haydenii (2)
Penstemon heterodoxus (31)
Penstemon heterodoxus var. cephalophorus (15)
Penstemon heterodoxus var. heterodoxus (52)
Penstemon heterodoxus var. shastensis (13)
Penstemon heterophyllus (50)
Penstemon heterophyllus var. australis (3)
Penstemon heterophyllus var. heterophyllus (35)
Penstemon heterophyllus var. purdyi (14)
Penstemon higginsii (3)
Penstemon hirsutus (1)
Penstemon humilis (27)
Penstemon humilis ssp. obtusifolius (1)
Penstemon humilis var. brevifolius (5)
Penstemon humilis var. humilis (7)
Penstemon immanifestus (5)
Penstemon incertus (18)
Penstemon jamesii (4)
Penstemon janishiae (23)
Penstemon kunthii (7)
Penstemon labrosus (70)
Penstemon laetus (35)
Penstemon laetus ssp. sagittatus (11)
Penstemon laetus var. laetus (56)
Penstemon laetus var. sagittatus (16)
Penstemon laevis (7)
Penstemon laricifolius ssp. exilifolius (4)
Penstemon laricifolius ssp. laricifolius (3)
Penstemon leiophyllus (2)
Penstemon leiophyllus var. francisci-pennellii (5)
Penstemon leiophyllus var. leiophyllus (5)
Penstemon lentus var. lentus (4)
Penstemon leonardii var. leonardii (5)
Penstemon linarioides (3)
Penstemon linarioides ssp. coloradoensis (4)
Penstemon lyallii (7)
Penstemon mensarum (1)
Penstemon miniatus ssp. townsendianus (14)
Penstemon miniatus var. townsendianus (1)
Penstemon monoensis (23)
Penstemon moriahensis (3)
Penstemon nanus (7)
Penstemon neomexicanus (1)
Penstemon neotericus (18)
Penstemon newberryi (78)
Penstemon newberryi var. berryi (16)
Penstemon newberryi var. newberryi (73)
Penstemon newberryi var. sonomensis (11)
Penstemon nitidus (5)
Penstemon nitidus var. nitidus (6)
Penstemon osterhoutii (3)
Penstemon pachyphyllus (6)
Penstemon pachyphyllus var. congestus (4)
Penstemon pallidus (14)
Penstemon palmeri (72)
Penstemon palmeri var. eglandulosus (5)
Penstemon palmeri var. palmeri (25)
Penstemon papillatus (13)
Penstemon parryi (24)
Penstemon parvulus (20)
Penstemon patens (40)
Penstemon payettensis (3)
Penstemon personatus (30)
Penstemon pinifolius (6)
Penstemon platyphyllus (6)
Penstemon procerus (30)
Penstemon procerus var. formosus (14)
Penstemon procerus var. procerus (3)
Penstemon pseudoputus (4)
Penstemon pseudospectabilis (22)
Penstemon purpusii (8)
Penstemon rattanii (4)
Penstemon rattanii var. kleei (4)
Penstemon rattanii var. rattanii (4)
Penstemon rhizomatosus (4)
Penstemon richardsonii var. dentatus (5)
Penstemon roezlii (73)
Penstemon rostriflorus (152)
Penstemon rubicundus (16)
Penstemon rupicola (29)
Penstemon rydbergia (1)
Penstemon rydbergii (14)
Penstemon rydbergii var. aggregatus (3)
Penstemon rydbergii var. oreocharis (48)
Penstemon rydbergii var. rydbergii (8)
Penstemon scapoides (53)
Penstemon secundiflorus (6)
Penstemon serrulatus (9)
Penstemon sp. (12)
Penstemon speciosus (134)
Penstemon spectabilis (42)
Penstemon spectabilis var. spectabilis (41)
Penstemon spectabilis var. subviscosus (22)
Penstemon spectabilis? (1)
Penstemon stenophyllus (10)
Penstemon stephensii (24)
Penstemon strictus (16)
Penstemon subglaber (8)
Penstemon sudans (13)
Penstemon superbus (1)
Penstemon thompsoniae (9)
Penstemon thompsoniae ssp. jaegeri (12)
Penstemon thurberi (31)
Penstemon tracyi (5)
Penstemon triflorus (1)
Penstemon uintahensis (4)
Penstemon unilateralis (15)
Penstemon utahensis (37)
Penstemon venustus (9)
Penstemon virens (7)
Penstemon virgatus (1)
Penstemon virgatus var. asa-grayi (9)
Penstemon watsonii (9)
Penstemon whippleanus (44)
Penstemon wilcoxii (5)
Penstemon X dubius (6)
Penstemon X parishii (5)
Pentacalia peruviana (1)
Pentachaeta aurea (9)
Pentachaeta aurea ssp. allenii (4)
Pentachaeta aurea ssp. aurea (25)
Pentachaeta bellidiflora (19)
Pentachaeta exilis (5)
Pentachaeta exilis ssp. aeolica (30)
Pentachaeta exilis ssp. exilis (11)
Pentachaeta lyonii (23)
Pentagramma glanduloviscida (21)
Pentagramma pallida (14)
Pentagramma triangularis (59)
Pentagramma triangularis ssp. maxonii (2)
Pentagramma triangularis ssp. rebmanii (24)
Pentagramma triangularis ssp. triangularis (25)
Pentagramma triangularis ssp. viscosa (41)
Pentagramma triangularis var. triangularis (5)
Pentalinon luteum (2)
Pentameris airoides ssp. airoides (6)
Pentarhizidium orientale (1)
Pentas lanceolata ssp. lanceolata (1)
Penthorum sedoides (16)
Pentstemon patens (4)
Pentzia incana (7)
Peperomia columnaris (2)
Peperomia ferreyrae (1)
Peperomia grantii (4)
Peperomia graveolens (1)
Peperomia magnoliifolia (1)
Peperomia monticola (1)
Peperomia obtusifolia (1)
Peperomia pallida (1)
Peperomia pellucida (1)
Peperomia societatis (2)
Peplonia bradeana (10)
Peraphyllum ramosissimum (24)
Percallis hybrida (4)
Pereskia aculeata (5)
Pereskia sacharosa (1)
Pereskia weberiana (1)
Pereskiopsis porteri (7)
Perezia sp. (1)
Pericallis aurita (2)
Pericallis steetzii (1)
Pericallis webbii (1)
Pericallis X hybrida (1)
Pericome caudata (26)
Perideridia bacigalupii (15)
Perideridia bolanderi (14)
Perideridia bolanderi ssp. bolanderi (25)
Perideridia californica (28)
Perideridia erythrorhiza (8)
Perideridia gairdneri (9)
Perideridia gairdneri ssp. borealis (3)
Perideridia gairdneri ssp. gairdneri (21)
Perideridia howellii (11)
Perideridia kelloggii (19)
Perideridia lemmonii (16)
Perideridia leptocarpa (9)
Perideridia oregana (13)
Perideridia parishii (47)
Perideridia parishii ssp. latifolia (1)
Perideridia parishii ssp. parishii (6)
Perideridia pringlei (39)
Perideridia sp. (1)
Perilla frutescens (2)
Perilla frutescens var. acuta (1)
Periploca angustifolia (2)
Periscaria capitata (6)
Peritoma arborea (99)
Peritoma arborea var. angustata (27)
Peritoma arborea var. arborea (27)
Peritoma arborea var. globosa (41)
Peritoma lutea (31)
Peritoma multicaulis (6)
Peritoma platycarpa (2)
Peritoma serrulata (15)
Perityle angustifolia (9)
Perityle batopilensis (6)
Perityle californica (1)
Perityle cernua (5)
Perityle cuneata (2)
Perityle emoryi (78)
Perityle gilensis var. gilensis (5)
Perityle inyoensis (10)
Perityle leptoglossa (7)
Perityle megalocephala var. megalocephala (20)
Perityle megalocephala var. oligophylla (11)
Perityle microcephala (11)
Perityle microglossa (1)
Perityle microglossa var. saxosa (5)
Perityle palmeri (8)
Perityle parryi (7)
Perityle stansburyi (2)
Perityle tenella (6)
Perityle vaseyi (7)
Perityle villosa (22)
Pernettya prostrata (2)
Pernettya pumila (1)
Perrottetia sandwicensis (10)
Persea americana (32)
Persea indica (4)
Persea lingue (6)
Persicaria amphibia (34)
Persicaria amphibia var. stipulacea (8)
Persicaria coccinea (12)
Persicaria glabra (1)
Persicaria hydropiperoides (21)
Persicaria lapathifolia (31)
Persicaria maculosa (14)
Persicaria pensylvanica (1)
Persicaria punctata (20)
Persicaria sagittata (8)
Persicaria virginiana (9)
Persicaria wallichii (5)
Pertiyle cuneata (1)
Perymenium oxycarphum (3)
Pescatorea lehmanii (2)
Petalonyx linearis (49)
Petalonyx nitidus (20)
Petalonyx parryi (4)
Petalonyx thurberi (26)
Petalonyx thurberi ssp. gilmanii (12)
Petalonyx thurberi ssp. thurberi (82)
Petalostemum purpureum (2)
Petasites albus (9)
Petasites amplus (1)
Petasites fragrans (13)
Petasites frigidus (6)
Petasites frigidus var. palmatus (75)
Petasites frigidus var. sagitatus (1)
Petasites hybridus (5)
Petasites japonicus (2)
Petasites paradoxus (7)
Petasites sagittatus (1)
Peteria thompsoniae (9)
Petradoria pumila ssp. pumila (3)
Petradoria pumila var. pumila (11)
Petrea volubilis (6)
Petrocallis pyrenaica (5)
Petrocelis sp. (1)
Petromarula pinnata (4)
Petrophytum caespitosum (30)
Petrophytum caespitosum ssp. acuminatum (2)
Petrophytum caespitosum ssp. caespitosum (22)
Petrorhagia dubia (44)
Petrorhagia nanteuilii (3)
Petrorhagia prolifera (10)
Petrorhagia saxifraga (15)
Petrorhagia velutina (4)
Petrosedum forsterianum (1)
Petrosedum ochroleucum (8)
Petrosedum pruinatum (1)
Petrosedum rupestre (3)
Petrosedum sediforme (6)
Petroselinum crispum (12)
Petunia axillaris (2)
Petunia exserta (2)
Petunia integrifolia (1)
Petunia multiflora (1)
Petunia parviflora (16)
Petunia sp. (32)
Peucedanum japonicum (2)
Peucedanum ostruthium (2)
Peucedanum verticillare (8)
Peucephyllum schottii (76)
Peucephyllum shottii (1)
Pextocarya platycarpa (1)
Peyssonnelia (42)
Peyssonnelia boergesenii (2)
Peyssonnelia bornetii cf (7)
Peyssonnelia inamoena (4)
Peyssonnelia sp. (3)
Peyssonnelia sp.3 (6)
Pfeiffera ianthothele (3)
Phacelia adenophora (10)
Phacelia affinis (19)
Phacelia alba (1)
Phacelia anelsonii (13)
Phacelia argentea (5)
Phacelia austromontana (33)
Phacelia barnebyana (4)
Phacelia bicolor (62)
Phacelia bicolor var. bicolor (4)
Phacelia bolanderi (31)
Phacelia brachyloba (47)
Phacelia breweri (36)
Phacelia californica (70)
Phacelia calthifolia (97)
Phacelia campanularia (64)
Phacelia campanularia ssp. vasiformis (2)
Phacelia campanularia var. campanularia (34)
Phacelia campanularia var. vasiformis (45)
Phacelia cicutaria (35)
Phacelia cicutaria var. cicutaria (57)
Phacelia cicutaria var. hispida (61)
Phacelia ciliata (65)
Phacelia cloudcroftensis (2)
Phacelia coerulea (15)
Phacelia congdonii (38)
Phacelia congesta (20)
Phacelia cookei (2)
Phacelia corymbosa (29)
Phacelia crenulata (83)
Phacelia crenulata var. ambigua (61)
Phacelia crenulata var. corrugata (4)
Phacelia crenulata var. crenulata (22)
Phacelia crenulata var. minutiflora (28)
Phacelia cryptantha (39)
Phacelia curvipes (68)
Phacelia davidsonii (63)
Phacelia distans (143)
Phacelia distans var. australis (1)
Phacelia divaricata (33)
Phacelia dividsonii (2)
Phacelia douglasii (48)
Phacelia douglasii var. petrophila (4)
Phacelia egena (31)
Phacelia eisenii (40)
Phacelia eisenii var. brandegeeana (14)
Phacelia exilis (24)
Phacelia filiae (9)
Phacelia floribunda (17)
Phacelia fremontii (146)
Phacelia glandulifera (4)
Phacelia grandiflora (35)
Phacelia greenei (16)
Phacelia grisea (9)
Phacelia gymnoclada (6)
Phacelia hastata (25)
Phacelia hastata ssp. compacta (21)
Phacelia hastata ssp. hastata (5)
Phacelia hastata var. compacta (58)
Phacelia hastata var. hastata (38)
Phacelia heterophylla (2)
Phacelia heterophylla ssp. virgata (15)
Phacelia heterophylla var. heterophylla (7)
Phacelia heterophylla var. virgata (39)
Phacelia hirsuta (3)

Phacelia - Poa

Phacelia hirtuosa (1)
Phacelia hubbyi (10)
Phacelia humilis (33)
Phacelia humilis var. humilis (19)
Phacelia hydrophylloides (55)
Phacelia imbricata (28)
Phacelia imbricata ssp. imbricata (4)
Phacelia imbricata var. bernardina (1)
Phacelia imbricata var. imbricata (29)
Phacelia imbricata var. patula (7)
Phacelia incana (5)
Phacelia insularis (2)
Phacelia insularis ssp. continentalis (5)
Phacelia insularis var. continentis (13)
Phacelia insularis var. insularis (7)
Phacelia integrifolia (2)
Phacelia integrifolia var. integrifolia (3)
Phacelia integrifolia var. texana (14)
Phacelia inundata (2)
Phacelia inyoensis (1)
Phacelia ivesiana (21)
Phacelia keckii (6)
Phacelia lemmonii (5)
Phacelia leonis (6)
Phacelia linearis (72)
Phacelia longipes (16)
Phacelia lutea var. lutea (6)
Phacelia lutea var. scopulina (1)
Phacelia lyallii (1)
Phacelia lyonii (3)
Phacelia malvifolia (32)
Phacelia malvifolia var. malvifolia (10)
Phacelia marcescens (14)
Phacelia minor (82)
Phacelia mohavensis (23)
Phacelia monoensis (22)
Phacelia mustelina (21)
Phacelia mutabilis (66)
Phacelia nashiana (67)
Phacelia neglecta (27)
Phacelia nemoralis (7)
Phacelia nemoralis var. nemoralis (5)
Phacelia novenmillensis (6)
Phacelia orogenes (1)
Phacelia pachyphylla (33)
Phacelia palmeri (11)
Phacelia parishii (26)
Phacelia parryi (53)
Phacelia parryi and Phacelia hirtuosa (1)
Phacelia pauciflora (2)
Phacelia pedicellata (60)
Phacelia perityloides (28)
Phacelia perityloides var. jaegeri (5)
Phacelia perityloides var. perityloides (4)
Phacelia phacelioides (17)
Phacelia platicarpa (2)
Phacelia platyloba (9)
Phacelia popei (12)
Phacelia pringlei (20)
Phacelia procera (14)
Phacelia pulchella var. gooddingii (14)
Phacelia purpusii (73)
Phacelia quickii (50)
Phacelia racemosa (16)
Phacelia ramosissima (92)
Phacelia rattanii (6)
Phacelia rotundifolia (28)
Phacelia rupestris (3)
Phacelia saxicola (4)
Phacelia sericea (42)
Phacelia sericea ssp. ciliosa (6)
Phacelia sericea ssp. sericea (1)
Phacelia sericea var. ciliosa (2)
Phacelia sericea var. sericea (11)
Phacelia sivinskii (2)
Phacelia sp. (15)
Phacelia stebbinsii (38)
Phacelia stellaris (64)
Phacelia suaveolens (14)
Phacelia tanacetifolia (84)
Phacelia thermalis (1)
Phacelia vallicola (45)
Phacelia vallis-mortae (36)
Phacelia vallis-mortae var. heliophila (1)
Phacelia viscida (34)
Phacelia viscida var. albiflora (6)
Phacelia viscida var. viscida (7)
Phaeoceros carolinianus (1)
Phagnalon graecum (4)
Phagnalon rupestre (6)
Phaiphleps biflora (1)
Phalacroseris bolanderi (19)
Phalaenopsis (2)
Phalaenopsis amabilis (3)
Phalaenopsis celebensis (4)
Phalaenopsis hybrid (2)
Phalaenopsis lueddemanniana var. ochracea (1)
Phalaenopsis pulchra (1)
Phalaenopsis sp. (4)
Phalaenopsis stuartiana (2)
Phalaris angusta (6)
Phalaris aquatica (26)
Phalaris arundinacea (35)
Phalaris brachystachys (9)
Phalaris californica (18)
Phalaris canariensis (13)
Phalaris lemmonii (17)
Phalaris minor (24)
Phalaris paradoxa (17)
Phascum cuspidatum (2)
Phaseolus acutifolius (1)
Phaseolus angustissima (7)
Phaseolus angustissimus (2)
Phaseolus filiformis (22)
Phaseolus maculatus ssp. maculatus (4)
Phaseolus montanus (1)
Phaseolus pauciforus (1)
Phaseolus pedicellatus var. grayanus (3)
Phaseolus vulgaris (6)
Phedimus kamtschaticus (2)
Phedimus obtusifolius (1)
Phedimus stellatus (5)
Phedimus stoloniferus (1)
Phegopteris connectilis (44)
Phelipanche ramosa (1)
Phellodendron amurense (5)
Phellodendron chinense (2)
Phellodendron sachalinense (2)
Phemeranthus mengesii (11)
Phemeranthus rugospermus (24)
Phemeranthus teretifolius (1)
Philadelphus (1)
Philadelphus coronarius (5)
Philadelphus lewisii (81)
Philadelphus microphyllus (45)
Philadelphus serpyllifolium (1)
Philadelphus sp. (1)
Philadelphus tenuifolius (10)
Philenoptera violacea (14)
Phillyrea latifolia var. media (3)
Philodendron acutatum (12)
Philodendron bipinnatifidum (2)
Philodendron erubescens (1)
Philodendron erubescens 'Red Emerald' (1)
Philodendron fragrantissimum (8)
Philodendron lacerum (1)
Philodendron radiatum (2)
Philodendron scandens (1)
Philodendron selloum (2)
Philodendron sp. (1)
Philodendron squamiferum (1)
Philodendron surinamense (13)
Philodendron xanadu (1)
Philonotis fontana (2)
Philonotis yezoana (7)
Phlebodium pseudoaureum (2)
Phleum alpinum (13)
Phleum arenarium (2)
Phleum echinatum (4)
Phleum pratense (19)
Phleum subulatum (1)
Phlomis alpina (2)
Phlomis cashmeriana (1)
Phlomis fruticosa (7)
Phlomis herba-venti (9)
Phlomis lanata (1)
Phlomis lychnitis (2)
Phlox adsurgens (20)
Phlox albomarginata (5)
Phlox alyssifolia (3)
Phlox andicola (3)
Phlox austromontana (42)
Phlox bifida (2)
Phlox bifida ssp. stellaria (2)
Phlox caespitosa (7)
Phlox condensata (48)
Phlox covillei (4)
Phlox diffusa (129)
Phlox diffusa ssp. longistylis (3)
Phlox diffuse (1)
Phlox dispersa (2)
Phlox divaricata (6)
Phlox divaricata ssp. laphamii (11)
Phlox dolichantha (58)
Phlox douglasii (4)
Phlox glaberrima (8)
Phlox gracilis (5)
Phlox griseola ssp. tumulosa (4)
Phlox hirsuta (20)
Phlox hoodii (14)
Phlox hoodii ssp. canescens (30)
Phlox hoodii ssp. muscoides (5)
Phlox hoodii var. canescens (1)
Phlox longifolia (16)
Phlox longifolia ssp. longifolia (4)
Phlox longlifloria (3)
Phlox maculata (5)
Phlox mesoleuca (8)
Phlox multiflora (7)
Phlox muscoides (3)
Phlox nana (4)
Phlox nana ssp. ensifolia (3)
Phlox paniculata (18)
Phlox pilosa ssp. fulgida (10)
Phlox pilosa ssp. pilosa (8)
Phlox pulvinata (10)
Phlox roemeriana (2)
Phlox sibirica (1)
Phlox sp. (8)
Phlox speciosa (74)
Phlox speciosa ssp. occidentalis (18)
Phlox stansburyi (55)
Phlox stansburyi ssp. stansburyi (12)
Phlox stansburyi ssp. superba (1)
Phlox stansbuyi (1)
Phlox subulata (6)
Phlox viscida (1)
Phoebanthus grandiflorus (2)
Phoebanthus tenuifolius (3)
Phoenicaulis cheiranthoides (61)
Phoenix canariensis (27)
Phoenix dactylifera (21)
Phoenix pusilla (1)
Phoenix reclinata (5)
Phoenix roebelenii (7)
Phoenix roebelinii (1)
Phoenix sp. (5)
Pholidota chinensis (1)
Pholisma arenarium (53)
Pholisma sonorae (24)
Pholistoma auritum (33)
Pholistoma auritum var. arizonicum (6)
Pholistoma auritum var. auritum (74)
Pholistoma membranaceum (79)
Pholistoma racemosum (30)
Phoradendron bolleanum (32)
Phoradendron californicum (80)
Phoradendron densum (6)
Phoradendron flavescens (1)
Phoradendron juniperinum (26)
Phoradendron leucarpum (5)
Phoradendron leucarpum ssp. macrophyllum (20)
Phoradendron leucarpum ssp. tomentosum (23)
Phoradendron libocedri (13)
Phoradendron macrophyllum (10)
Phoradendron pauciflorum (13)
Phoradendron serotinum ssp. tomentosum (3)
Phoradendron sp. (7)
Phoradendron tomentosum (1)
Phoradendron villosum (19)
Phormium tenax (2)
Photinia davidsoniae (1)
Photinia fraseri (12)
Photinia glabra (1)
Photinia melanocarpa (10)
Photinia prionophylla (1)
Photinia serrulata (4)
Photinia sp. (4)
Phragmipedium besseae (1)
Phragmipedium caudatum (3)
Phragmipedium caudatum var. giganteum (3)
Phragmipedium conchiferum (1)
Phragmipedium fischeri (1)
Phragmipedium lindenii (2)
Phragmipedium richterii (1)
Phragmipedium sargentianum (1)
Phragmipedium schlimii (1)
Phragmites australis (41)
Phreatia myosorus (1)
Phrygilanthus sonorae (4)
Phryma leptostachya (19)
Phuopsis stylosa (6)
Phycodrina elegans (1)
Phycodrys elegans (1)
Phyla lanceolata (18)
Phyla nodiflora (56)
Phylica pubescens (2)
Phyllanthus acidus (1)
Phyllanthus amarus (2)
Phyllanthus angustifolius (1)
Phyllanthus debilis (1)
Phyllanthus emblica (1)
Phyllanthus myrtifolius (1)
Phyllanthus niruri (1)
Phyllanthus polygonoides (1)
Phyllanthus tenellus (1)
Phyllanthus urceolatus (4)
Phyllanthus urinaria (2)
Phyllanthus virgatus (1)
Phyllitis scolopendrium (5)
Phyllobolus herbertii (2)
Phyllobolus latipetalus (3)
Phyllobolus prasinus (5)
Phyllobolus pumilus (2)
Phyllobolus tenuiflorus (5)
Phyllocladus alpinus (2)
Phyllocladus trichomanoides (2)
Phyllodictyon anastomosans (12)
Phyllodoce aleutica (2)
Phyllodoce breweri (85)
Phyllodoce caerulea (5)
Phyllodoce empetriformis (28)
Phyllodoce glanduliflora (15)
Phyllospadix scouleri (15)
Phyllospadix sp. (2)
Phyllostachys aurea (1)
Phyllostachys nigra (1)
Phyllostachys sp. (2)
Phyllostachys vivax (1)
Phyllostegia ambigua (10)
Phyllostegia brevidens (8)
Phyllostegia floribunda (8)
Phyllostegia racemosa (4)
Phyllostegia velutina (8)
Phylotacca heteropetala (3)
Phymatidium falcifolium (3)
Phymatoceros phymatodes (2)
Physalis acutifolia (5)
Physalis alkekengi (22)
Physalis alkekengi var. franchetii (2)
Physalis angulata (7)
Physalis cinerascens var. cinerascens (11)
Physalis crassifolia (130)
Physalis crassifolia var. infundibularis (2)
Physalis glabra (9)
Physalis hederifolia (2)
Physalis hederifolia var. cordifolia (1)
Physalis hederifolia var. fendleri (4)
Physalis hederifolia var. palmeri (7)
Physalis heterophylla (4)
Physalis heterophylla var. heterophylla (8)
Physalis lanceifolia (9)
Physalis lobata (21)
Physalis peruviana (2)
Physalis philadelphica (7)
Physalis philadelphica var. immaculata (1)
Physalis pubescens (3)
Physalis pubescens var. grisea (8)
Physalis pubescens var. integrifolia (5)
Physalis purpurea (17)
Physalis sp. (2)
Physalis virginiana (4)
Physalis virginiana var. virginiana (16)
Physalis viscosa (2)
Physalis walteri (2)
Physaria acutifolia (1)
Physaria brassicoides (4)
Physaria chambersii (23)
Physaria didymocarpa (5)
Physaria didymocarpa var. didymocarpa (3)
Physaria didymocarpus (1)
Physaria fendleri (15)
Physaria floribunda (2)
Physaria gordonii (6)
Physaria kingii (5)
Physaria kingii ssp. bernardina (25)
Physaria kingii ssp. kingii (23)
Physaria kingii ssp. latifolia (19)
Physaria kingii var. latifolia (3)
Physaria ludoviciana (7)
Physaria montana (1)
Physaria multiceps (3)
Physaria occidentalis (7)
Physaria occidentalis ssp. occidentalis (21)
Physaria pinetorum (1)
Physaria purpurea (2)
Physaria reediana (5)
Physaria tenella (12)
Physcomitrium californicum (5)
Physocarpus alternans (9)
Physocarpus capitatus (71)
Physocarpus malvaceus (1)
Physocarpus monogynus (2)
Physocarpus opulifolius (27)
Physoplexis comosa (13)
Physostegia purpurea (1)
Physostegia virginiana (7)
Physostegia virginiana ssp. virginiana (10)
Phytelephas macrocarpa (1)
Phyteuma hemisphaericum (2)
Phyteuma orbiculare (12)
Phyteuma scheuchzeri (7)
Phyteuma sieberi (2)
Phyteuma sp. (1)
Phyteuma zahlbruckneri (5)
Phytolacca acinosa (2)
Phytolacca americana (37)
Phytolacca americana var. americana (35)
Phytolacca dioica (1)
Phytolacca heterotepala (7)
Phytolacca icosandra (3)
Phytolacca octandra (3)
Picea abies (48)
Picea breweriana (32)
Picea engelmannii (45)
Picea glauca (23)
Picea mariana (16)
Picea orientalis (16)
Picea pungens (52)
Picea rubens (5)
Picea sitchensis (52)
Picea sp. (2)
Picea x fennica (1)
Pickeringia montana (37)
Pickeringia montana var. montana (28)
Pickeringia montana var. tomentosa (33)
Picradenia richardsonii var. floribunda (8)
Picradeniopsis oppositifolia (3)
Picradeniopsis woodhousei (4)
Picramnia glazioviana (19)
Picris echioides (1)
Picris hieracioides (13)
Picrothamnus desertorum (5)
Pieris floribunda (4)
Pieris japonica (8)
Pilea cadierei (2)
Pilea microphylla (2)
Pilea nummulariifolia (1)
Pilea peperomioides (1)
Pilea pumila (7)
Pilocarpus riedelianus (26)
Pilophorus acicularis (3)
Pilosella aurantiaca (1)
Pilosella praealta (1)
Pilosocereus alensis (2)
Pilosocereus aurisetus (3)
Pilosocereus cometes (1)
Pilosocereus glaucescens (1)
Pilosocereus glaucochrous (1)
Pilosocereus gounellei (1)
Pilosocereus lanuginosus (1)
Pilosocereus pachycladus (5)
Pilostyles thurberi (58)
Pilularia americana (14)
Pimelea prostrata (2)
Pimpinella major (2)
Pinanga kuhlii (3)
Pinaropappus procumbens (7)
Pinaropappus roseus (4)
Pinguicula agnata (1)
Pinguicula alpina (3)
Pinguicula antarctica (1)
Pinguicula caerulea (15)
Pinguicula caudata (2)
Pinguicula colimensis (3)
Pinguicula corsica (2)
Pinguicula cyclosecta (1)
Pinguicula debbertiana (2)
Pinguicula ehlersiae (1)
Pinguicula emarginata (3)
Pinguicula esseriana (4)
Pinguicula gigantea (1)
Pinguicula gracilis (2)
Pinguicula grandiflora (2)
Pinguicula gypsicola (7)
Pinguicula hemiepiphytica (1)
Pinguicula hirtiflora (4)
Pinguicula ionantha (13)
Pinguicula jaumavensis (3)
Pinguicula laueana (7)
Pinguicula leptoceras (1)
Pinguicula longifolia ssp. caussensis (4)
Pinguicula lusitanica (28)
Pinguicula lutea (24)
Pinguicula macroceras (52)
Pinguicula macroceras ssp. macroceras (27)
Pinguicula macrophylla (2)
Pinguicula mariae (4)
Pinguicula moctezumae (2)
Pinguicula moranensis (19)
Pinguicula pilosa (1)
Pinguicula planifolia (27)
Pinguicula potosiensis (1)
Pinguicula primuliflora (27)
Pinguicula pumila (12)
Pinguicula pumila var. buswellii (3)
Pinguicula rectifolia (1)
Pinguicula reticulata (4)
Pinguicula rotundiflora (3)
Pinguicula sp. (4)
Pinguicula vallisneriifolia (31)
Pinguicula vulgaris (22)
Pinguicula vulgaris ssp. macroceras (6)
Pinus albicaulis (110)
Pinus aristata (7)
Pinus attenuata (62)
Pinus ayacahuite (3)
Pinus balfouriana (37)
Pinus balfouriana ssp. austrina (35)
Pinus balfouriana ssp. balfouriana (12)
Pinus banksiana (11)
Pinus brutia var. eldarica (5)
Pinus bungeana (25)
Pinus canariensis (30)
Pinus caribaea var. hondurensis (1)
Pinus cembra (3)
Pinus cembroides (3)
Pinus cembroides var. cembroides (4)
Pinus chihuahuana (3)
Pinus contorta (60)
Pinus contorta ssp. bolanderi (21)
Pinus contorta ssp. contorta (23)
Pinus contorta ssp. latifolia (5)
Pinus contorta ssp. murrayana (100)
Pinus contorta var. bolanderi (9)
Pinus contorta var. murrayana (1)
Pinus coulteri (77)
Pinus densiflora (23)
Pinus discolor (8)
Pinus edulis (57)
Pinus eldarica (2)
Pinus elliottii (1)
Pinus engelmannia (3)
Pinus flexilis (86)
Pinus glabra (2)
Pinus greggii (1)
Pinus halepensis (28)
Pinus hartwegii (2)
Pinus heldreichii (11)
Pinus jeffreyi (207)
Pinus johannis (2)
Pinus koraiensis (27)
Pinus lambertiana (132)
Pinus leiophyllum var. chihuahuana (3)
Pinus leucodermis (3)
Pinus longaeva (267)
Pinus luchuensis (3)
Pinus maximartinezii (1)
Pinus monophylla (129)
Pinus monophylla ssp. californiarum (1)
Pinus monophylla ssp. fallax (4)
Pinus monophylla var. californiarum (3)
Pinus monticola (86)
Pinus mugo (26)
Pinus mugo ssp. uncinata (3)
Pinus mugo var. pumilio (9)
Pinus muricata (60)
Pinus nigra (14)
Pinus oocarpa (4)
Pinus orizabensis (5)
Pinus palustris (32)
Pinus parviflora (17)
Pinus patula (6)
Pinus pinaster (6)
Pinus pinea (18)
Pinus ponderosa (364)
Pinus ponderosa ssp. benthamiana (1)
Pinus ponderosa ssp. ponderosa (8)
Pinus ponderosa var. arizonica (5)
Pinus ponderosa var. benthamiana (1)
Pinus ponderosa var. ponderosa (13)
Pinus ponderosa var. scopulorum (35)
Pinus ponderosa var. washoensis (8)
Pinus pumila (3)
Pinus quadrifolia (28)
Pinus radiata (83)
Pinus reflexa (1)
Pinus resinosa (7)
Pinus rhaetica (2)
Pinus rigida (8)
Pinus roxburghii (5)
Pinus sabineana (45)
Pinus sabiniana (78)
Pinus sp. (90)
Pinus strobiformis ssp. veitchii (8)
Pinus strobus (47)
Pinus sylvestris (16)
Pinus sylvestris var. nevadensis (1)
Pinus sylvestris var. sylvestris (3)
Pinus taeda (13)
Pinus taiwanensis (7)
Pinus thunbergii (22)
Pinus torreyana (28)
Pinus torreyana ssp. insularis (10)
Pinus torreyana ssp. torreyana (28)
Pinus virginiana (19)
Pinus wallichiana (27)
Pinus x digenea (2)
Piper arboreum (12)
Piper auritum (4)
Piper methysticum (1)
Piper nigrum (1)
Piper sarmentosum (1)
Piperia candida (49)
Piperia colemanii (43)
Piperia cooperi (44)
Piperia elegans (27)
Piperia elegans ssp. decurtata (6)
Piperia elegans ssp. elegans (32)
Piperia elongata (70)
Piperia leptopetala (7)
Piperia michaelii (24)
Piperia transversa (79)
Piperia unalascensis (36)
Piperia yadonii (10)
Piptatherum miliaceum (1)
Piriqueta caroliniana (2)
Piscidia mollis (8)
Pisonia brunoniana (7)
Pisonia capitata (1)
Pisonia flavescens (2)
Pisonia tahitensis (3)
Pisonia umbellifera (2)
Pistacia atlantica (4)
Pistacia chinensis (19)
Pistacia lentiscus (15)
Pistacia mexicana (3)
Pistacia terebinthus (2)
Pistacia vera (16)
Pistcia chinensis (2)
Pistia stratiotes (5)
Pisum sativum (7)
Pisum sativum var. macrocarpon (2)
Pisum sativum var. saccharatum (1)
Pitcairnia caerulea (6)
Pithecellobium dulce (15)
Pithecellobium keyense (1)
Pithecellobium unguis-cati (3)
Pithecoctenium cynanchoides (1)
Pittosporum brevicalyx (1)
Pittosporum crassifolium (14)
Pittosporum daphniphylloides (6)
Pittosporum erioloma (1)
Pittosporum eugenioides (12)
Pittosporum ferrugineum (1)
Pittosporum illicoides (1)
Pittosporum phillyraeoides (8)
Pittosporum sp. (4)
Pittosporum taitense (1)
Pittosporum tenuifolium (15)
Pittosporum tobira (27)
Pittosporum undulatum (19)
Pittosporum viridiflorum (6)
Pityopsis aspera var. adenolepis (3)
Pityopsis graminifolia (1)
Pityopsis graminifolia var. aequifolia (3)
Pityopsis graminifolia var. graminifolia (3)
Pityopsis graminifolia var. latifolia (6)
Pityopsis oligantha (3)
Pityopus californicus (19)
Pityrogramma calomelanos (10)
Plagianthus regius (2)
Plagibothrys sp. (4)
Plagiobothrys acanthocarpus (27)
Plagiobothrys arizonicus (22)
Plagiobothrys austiniae (9)
Plagiobothrys bracteatus (18)
Plagiobothrys canescens (42)
Plagiobothrys chorisianus var. chorisianus (21)
Plagiobothrys chorisianus var. hickmanii (17)
Plagiobothrys chorisianus var. nickmanii (1)
Plagiobothrys cognatus (29)
Plagiobothrys collinus (1)
Plagiobothrys collinus var. californicus (4)
Plagiobothrys collinus var. fulvescens (7)
Plagiobothrys collinus var. gracilis (5)
Plagiobothrys cusickii (4)
Plagiobothrys diffusus (8)
Plagiobothrys distantiflorus (7)
Plagiobothrys figuratus (2)
Plagiobothrys figuratus ssp. corallicarpus (5)
Plagiobothrys fulvus (2)
Plagiobothrys fulvus var. campestris (6)
Plagiobothrys glaber (6)
Plagiobothrys glyptocarpus (4)
Plagiobothrys glyptocarpus var. glyptocarpus (8)
Plagiobothrys greenei (24)
Plagiobothrys hirtus (5)
Plagiobothrys hispidulus (11)
Plagiobothrys hispidus (27)
Plagiobothrys humistratus (20)
Plagiobothrys hystriculus (18)
Plagiobothrys infectivus (7)
Plagiobothrys jonesii (12)
Plagiobothrys kingii (4)
Plagiobothrys kingii var. harknessii (7)
Plagiobothrys leptocladus (13)
Plagiobothrys lithocaryus (5)
Plagiobothrys mollis (6)
Plagiobothrys mollis var. mollis (11)
Plagiobothrys myosotoides (1)
Plagiobothrys myosotoides ssp. verrucosus (3)
Plagiobothrys nitens (8)
Plagiobothrys nothofulvus (80)
Plagiobothrys parishii (21)
Plagiobothrys reticulatus (2)
Plagiobothrys reticulatus var. reticulatus (7)
Plagiobothrys reticulatus var. rossianorum (7)
Plagiobothrys salsus (10)
Plagiobothrys scouleri (3)
Plagiobothrys scouleri var. penicillatus (3)
Plagiobothrys scriptus (8)
Plagiobothrys shastensis (17)
Plagiobothrys sp. (20)
Plagiobothrys sp. b (5)
Plagiobothrys stipitatus (5)
Plagiobothrys stipitatus var. micranthus (30)
Plagiobothrys stipitatus var. stipitatus (11)
Plagiobothrys strictus (7)
Plagiobothrys tenellus (33)
Plagiobothrys tener (2)
Plagiobothrys tener var. subglaber (7)
Plagiobothrys tener var. tener (13)
Plagiobothrys torreyi (16)
Plagiobothrys torreyi var. diffusus (5)
Plagiobothrys torreyi var. perplexans (1)
Plagiobothrys torreyi var. torreyi (6)
Plagiobothrys trachycarpus (8)
Plagiobothrys uncinatus (15)
Plagiobothrys undulatus (20)
Plagiochelius tanacetoides (1)
Plagiochila porelloides (5)
Plagiogyria petelotii (1)
Plagiomnium cuspidatum (2)
Plagiomnium insigne (1)
Plagiomnium medium (4)
Plagiomnium venustum (1)
Plagiothecium cavifolium (6)
Plagiothecium denticulatum (2)
Plagiothecium laetum (1)
Plagiothecium piliferum (12)
Plagiothecium undulatum (2)
Plagirhegma dubia (12)
Planodes virginicum (2)
Plantago afra (6)
Plantago altissima (4)
Plantago arenaria (3)
Plantago aristata (1)
Plantago coronopus (47)
Plantago elongata (16)
Plantago erecta (85)
Plantago eriopoda (4)
Plantago fernandezia (1)
Plantago hawaiensis (8)
Plantago helleri (2)
Plantago holosteum (4)
Plantago laceolata (1)
Plantago lagopus (6)
Plantago lanceolata (58)
Plantago lanceolata var. lanceolata (17)
Plantago laneolata (1)
Plantago major (40)
Plantago maritima (46)
Plantago maritima var. juncoides (7)
Plantago media (9)
Plantago ovata (55)
Plantago ovata var. fastigiata (7)
Plantago ovata var. insularis (6)
Plantago patagonica (30)
Plantago psyllium (6)
Plantago purshii (1)
Plantago pusilla (1)
Plantago rhodosperma (19)
Plantago serraria (8)
Plantago sp. (5)
Plantago subnuda (34)
Plantago truncata ssp. firma (1)
Plantago virginica (2)
Platanthera aquilonis (8)
Platanthera bifolia (4)
Platanthera bifolia ssp. bifolia (23)
Platanthera blephariglottis (4)
Platanthera blephariglottis var. blephariglottis (6)
Platanthera brevifolia (2)
Platanthera chlorantha (6)
Platanthera clavellata (7)
Platanthera cristata (3)
Platanthera dilatata (22)
Platanthera dilatata var. dilatata (3)
Platanthera dilatata var. leucostachys (158)
Platanthera dilitata (1)
Platanthera grandiflora (6)
Platanthera huronensis (8)
Platanthera hyperborea (3)
Platanthera hyperborea var. hyperborea (7)
Platanthera lacera (13)
Platanthera leucostachys (11)
Platanthera orbiculata (9)
Platanthera peramoena (13)
Platanthera psycodes (14)
Platanthera shriveri (4)
Platanthera sp. (2)
Platanthera sparsiflora (88)
Platanthera sparsiflora var. ensifolia (5)
Platanthera stricta (26)
Platanthera tescamnis (22)
Platanthera yosemitensis (34)
Platanus mexicana (2)
Platanus occidentalis (22)
Platanus orientalis (3)
Platanus racemosa (124)
Platanus wrightii (10)
Platanus X hispanica (27)
Platanus xhispanica (3)
Plateilema palmeri (19)
Platoma abbottianum (14)
Platycerium bifurcatum (2)
Platycerium coronarium (1)
Platycladus orientalis (15)
Platycodon grandiflorum ssp. mariesii var. album (2)
Platycodon grandiflorus (5)
Platydesma spathulata (4)
Platyschkuhria integrifolia (9)
Platystemon californicus (211)
Plecostachys serphyllifolia (8)
Plecostachys serpyllifolia (10)
Plectocephalus americanus (9)
Plectocephalus rothrockii (4)
Plectranthus (1)
Plectranthus amboinicus (3)
Plectranthus argentatus (2)
Plectranthus australis (1)
Plectranthus barbatus (2)
Plectranthus montanus (1)
Plectranthus neochilus (3)
Plectranthus scutellarioides (1)
Plectranthus sp. (2)
Plectritis (1)
Plectritis brachystemon (3)
Plectritis ciliosa (38)
Plectritis congesta (14)
Plectritis congesta ssp. brachystemon (30)
Plectritis congesta ssp. congesta (8)
Plectritis congestum ssp. brachystemon (1)
Plectritis macrocera (61)
Plectritis sp. (4)
Pleiacanthus spinosus (59)
Pleioblastus variegata (1)
Pleione aurita (1)
Pleione confusa (3)
Pleione el-pico ssp. goldcrest (1)
Pleione formosana (2)
Pleione formosana ssp. snow white (1)
Pleione forrestii (3)
Pleione iris (1)
Pleione limpritchii (2)
Pleione pinkepankii (1)
Pleione shantung (6)
Pleione shantung ssp. muriel harberd (1)
Pleione shantung ssp. ridgeway (2)
Pleione snow-bunting (1)
Pleione soufriere (2)
Pleione speciosa (2)
Pleione tolima (1)
Pleione tongariro (1)
Pleione versaille ssp. muriel turner (1)
Pleione vesuvius (1)
Pleiospilos bolusii (1)
Pleiospilos nelii (3)
Pleiospilos simulans (2)
Pleomele aurea (2)
Pleomele hawaiiensis (8)
Pleonosporium complanatum (1)
Pleopeltis appressa (1)
Pleopeltis macrocarpa (1)
Pleopeltis pyrrholepis (2)
Pleopeltis repanda (1)
Pleopeltis rosei (1)
Pleopeltis thyssanolepis (5)
Pleopeltis x melanoneuron (1)
Plesioneuron attenuatum (7)
Plesioneuron sp. (8)
Pleuraphis jamesii (3)
Pleuraphis rigida (7)
Pleuricospora fimbriolata (59)
Pleuridium (1)
Pleuridium acuminatum (4)
Pleuridium mexicanum (3)
Pleuridium subulatum (3)
Pleuridium subulatum/acuminatum (1)
Pleurocoronis pluriseta (62)
Pleuropogon californicus (21)
Pleuropogon californicus var. californicus (9)
Pleuropogon hooverianus (25)
Pleuropogon refractus (30)
Pleurospermum austriacum (8)
Pleurothallis brighamii (2)
Pleurothallis chrysantha (1)
Pleurothallis endotrachys (2)
Pleurothallis erucosa (1)
Pleurothallis grobyi (1)
Pleurothallis hemirhoda (2)
Pleurothallis immersa (1)
Pleurothallis modestissima (1)
Pleurothallis niveoglobula (3)
Pleurothallis palliolata (1)
Pleurothallis picta (1)
Pleurothallis quadrifida (1)
Pleurothallis rubens (1)
Pleurothallis segoviensis (1)
Pleurothallis sp. (1)
Pleurothallis stenosepala (2)
Pleurothallis stricta (4)
Pleurothallis teagueii (1)
Pleurozium schreberi (4)
Plocamium cartilagineum (1)
Pluchea carolinensis (8)
Pluchea odorata (15)
Pluchea odorata var. odorata (52)
Pluchea rosea (1)
Pluchea sericea (80)
Plumbago auriculata (7)
Plumbago capensis (4)
Plumbago europaea (8)
Plumbago scandens (1)
Plumbago sp. (1)
Plumbago zeylanica (1)
Plumeria obtusa (11)
Plumeria obtusa var. obtusa (1)
Plumeria pudica (1)
Plumeria rubra (16)
Pneumatopteris glandulifera (1)
Pneumatopteris mesocarpa (24)
Pneumatopteris pendens (3)
Pneumatopteris sandwicensis (7)
Poa alpina (2)
Poa alpina ssp. vivipara (2)
Poa annua (31)
Poa arnowiae (3)
Poa atropurpurea (24)
Poa bigelovii (7)
Poa bolanderi (10)
Poa bulbosa (31)
Poa bulbosa ssp. vivipara (2)
Poa compressa (4)
Poa confinis (4)
Poa cusickii (5)
Poa cusickii ssp. epilis (1)
Poa cusickii ssp. pallida (5)
Poa cusickii var. cusickii (1)
Poa douglasii (16)
Poa fendleriana (1)
Poa fendleriana ssp. longiligula (7)
Poa flabellata (4)
Poa glauca ssp. rupicola (7)
Poa howellii (3)
Poa keckii (1)
Poa leptocoma (5)
Poa lettermanii (1)
Poa macrantha (3)
Poa palustris (2)
Poa pratensis (12)
Poa pratensis ssp. agassizensis (1)

Poa - Pyxidanthera

Poa pringlei (2)
Poa scabrella (3)
Poa secunda (6)
Poa secunda ssp. juncifolia (3)
Poa secunda ssp. secunda (24)
Poa sierrae (36)
Poa stebbinsii (3)
Poa suksdorfii (1)
Poa trivialis (1)
Poa unilateralis (5)
Poa unilateralis ssp. unilateralis (5)
Poa wheeleri (7)
Podachaenium chiapanum (2)
Podachaenium eminens (2)
Podistera nevadensis (18)
Podocarpus chinensis (2)
Podocarpus coriaceus (1)
Podocarpus elongatus (1)
Podocarpus falcatus (7)
Podocarpus gracilior (1)
Podocarpus henkelii (6)
Podocarpus latifolius (9)
Podocarpus macrophyllus (26)
Podocarpus matudae (1)
Podocarpus salignus (1)
Podocarpus totara (3)
Podocarpus totara var. aurea (1)
Podophyllum hexandrum (5)
Podophyllum peltatum (32)
Podostemum ceratophyllum (1)
Podranea ricasoliana (3)
Pogogyne abramsii (31)
Pogogyne clareana (7)
Pogogyne douglasii (34)
Pogogyne douglasii ssp. parviflora (1)
Pogogyne floribunda (20)
Pogogyne nudiuscula (10)
Pogogyne serpylloides (23)
Pogogyne zizyphoroides (21)
Pogonatum contortum (2)
Pogonia ophioglossoides (7)
Pohlia bolanderi (1)
Pohlia cruda (5)
Pohlia longibracteata (2)
Pohlia obtusifolia (1)
Pohlia robertsonii (1)
Pohlia tundrae (1)
Polanisia dodecandra ssp. dodecandra (9)
Polanisia dodecandra ssp. trachysperma (17)
Polanisia jamesii (3)
Polanisia unglandulosa (1)
Polemonium acutiflorum (2)
Polemonium caeruleum (1)
Polemonium californicum (37)
Polemonium carneum (14)
Polemonium chartaceum (17)
Polemonium confertum (2)
Polemonium delicatum (1)
Polemonium eddyense (34)
Polemonium elegans (1)
Polemonium eximium (26)
Polemonium foliosissimum (4)
Polemonium foliosissimum var. alpinum (4)
Polemonium foliosissimum var. foliosissimum (4)
Polemonium micranthum (12)
Polemonium occidentale (44)
Polemonium occidentale ssp. occidentale (19)
Polemonium pauciflorum (3)
Polemonium pulcherrimum (28)
Polemonium pulcherrimum ssp. delicatum (2)
Polemonium pulcherrimum ssp. pulcherrimum (12)
Polemonium pulcherrimum var. pilosum (11)
Polemonium pulcherrimum var. pulcherrimum (19)
Polemonium pulcherrimum var. shastense (14)
Polemonium reptans (11)
Polemonium reptans var. reptans (5)
Polemonium sp. (1)
Polemonium vanbruntiae (7)
Polemonium viscosum (19)
Polemonum eddyense (4)
Polianthes tuberosa (1)
Poliomintha longiflora (4)
Polybotrya speciosa (1)
Polycarpon depressum (13)
Polycarpon tetraphyllum (41)
Polycarpon tetraphyllum var. tetraphyllum (11)
Polyctenium fremontii (9)
Polyctenium williamsiae (7)
Polygala acanthoclada (33)
Polygala alba (20)
Polygala alpestris (4)
Polygala amarella (2)
Polygala amphothrix (5)
Polygala balduinii (3)
Polygala californica (52)
Polygala chamaebuxus (6)
Polygala comosa (3)
Polygala cornuta (10)
Polygala cornuta var. cornuta (28)
Polygala cornuta var. fishiae (32)
Polygala cruciata (16)
Polygala glochidiata (5)
Polygala heterorhyncha (9)
Polygala intermontana (1)
Polygala lindheimeri (7)
Polygala lindheimeri var. lindheimeri (1)
Polygala lindheimeri var. parviflora (3)
Polygala lutea (4)
Polygala macradenia var. macradenia (12)
Polygala monspeliaca (3)
Polygala myrtifolia (5)
Polygala nana (1)
Polygala nicaeensis ssp. forojulensis (3)
Polygala obscura (3)
Polygala obscura var. puberula (4)
Polygala paniculata (1)
Polygala paucifolia (7)
Polygala polygama (11)
Polygala rusbyi (6)
Polygala sanguinea (18)
Polygala scoparioides (9)
Polygala senega (4)
Polygala sinaloae (4)
Polygala subspinosa (15)
Polygala verticillata (1)
Polygala virgata (1)
Polygonatum biflorum (13)
Polygonatum multiflorum (9)
Polygonatum odoratum (12)
Polygonatum pubescens (21)
Polygonatum verticillatum (6)
Polygonella articulata (20)
Polygonum amphibium (7)
Polygonum amphibium var. stipulaceum (1)
Polygonum arenastrum (8)
Polygonum argyrocoleon (6)
Polygonum aviculare (29)
Polygonum aviculare ssp. depressum (27)
Polygonum aviculare ssp. rurivagum (1)
Polygonum bidwelliae (18)
Polygonum bistoroides (1)
Polygonum bistorta (13)
Polygonum bistortoides (11)
Polygonum bolanderi (17)
Polygonum californicum (19)
Polygonum cilinode (8)
Polygonum coccineum (1)
Polygonum convolvulus (4)
Polygonum convolvulus var. convolvulus (2)
Polygonum cuspidatum (9)
Polygonum davisiae (15)
Polygonum douglasii (29)
Polygonum douglasii ssp. douglasii (2)
Polygonum douglasii ssp. johnstonii (2)
Polygonum fowleri (4)
Polygonum hickmanii (3)
Polygonum hydropiper (5)
Polygonum hydropiperoides (8)
Polygonum lapathifolium (16)
Polygonum majus (6)
Polygonum marinense (4)
Polygonum minimum (25)
Polygonum mite (6)
Polygonum multiflorum (5)
Polygonum newberryi (5)
Polygonum orientale (3)
Polygonum oxyspermum (2)
Polygonum paronychia (58)
Polygonum parryi (1)
Polygonum patulum (7)
Polygonum pensylvanicum (2)
Polygonum persicaria (3)
Polygonum phytolaccifolium (4)
Polygonum polygaloides (17)
Polygonum polygaloides ssp. confertiflorum (11)
Polygonum polygaloides ssp. esotericum (3)
Polygonum polygaloides ssp. kelloggii (16)
Polygonum puncatum (1)
Polygonum ramosisimum (2)
Polygonum ramosissimum (18)
Polygonum sagittatum (3)
Polygonum sawatchense ssp. oblivium (1)
Polygonum sawatchense ssp. sawatchense (2)
Polygonum shastense (65)
Polygonum sp. (7)
Polygonum spergulariiforme (9)
Polygonum viviparum (6)
Polylepis australis (6)
Polylepis sp. (4)
Polymnia canadensis (36)
Polymnia maculata (2)
Polyphlebium borbonicum (14)
Polyphlebium endlicherianum (25)
Polypodium alan-smithii (1)
Polypodium alavae (1)
Polypodium amorphum (1)
Polypodium appressum (1)
Polypodium argentinum (1)
Polypodium australe (2)
Polypodium blepharideum (1)
Polypodium californicum (33)
Polypodium calirhiza (18)
Polypodium cambricum (4)
Polypodium clemensiae (1)
Polypodium concolorum (1)
Polypodium glycyrhiza (1)
Polypodium glycyrrhiza (22)
Polypodium hesperium (13)
Polypodium hirtelloides (1)
Polypodium interjectum (2)
Polypodium leptotrichum (2)
Polypodium mexiae (1)
Polypodium parksii (1)
Polypodium pellucidum var. vulcanicum (5)
Polypodium pyrrholepis (5)
Polypodium rosei (2)
Polypodium saxicola (1)
Polypodium scouleri (27)
Polypodium sp. (3)
Polypodium vacillans (1)
Polypodium virginianum (27)
Polypodium vulgare (7)
Polypogon australis (3)
Polypogon imberbis (4)
Polypogon interruptus (8)
Polypogon maritimus (11)
Polypogon monspeliensis (65)
Polypogon monspleliensis (2)
Polypogon viridis (13)
Polyscias cumingiana (2)
Polyscias flynnii (9)
Polyscias fruticosa (1)
Polyscias guilfoylei (1)
Polyscias racemosa (15)
Polyscias scutellaria (1)
Polyscias verrucosa (2)
Polysiphonia bifurcata (1)
Polysiphonia scopulorum (10)
Polysiphonia sp. (probably p. pacifica) (1)
Polystachya affinis (2)
Polystachya maculata (2)
Polystachya pubescens (1)
Polystachya sp. (1)
Polystachya valentina (1)
Polystachya vulcanica (1)
Polystichum acrostichoides (12)
Polystichum aculeatum (21)
Polystichum andersonii (4)
Polystichum braunii (9)
Polystichum californicum (19)
Polystichum dudleyi (3)
Polystichum imbricans (7)
Polystichum imbricans ssp. curtum (4)
Polystichum imbricans ssp. imbricans (17)
Polystichum kruckebergii (11)
Polystichum lemmonii (20)
Polystichum lonchitis (19)
Polystichum mexiae (1)
Polystichum munitum (62)
Polystichum pilosum (1)
Polystichum pygmaeum (1)
Polystichum scopulinum (12)
Polystichum setiferum (4)
Polystichum sp. (2)
Polystichum transvaalense (1)
Polytrias indicum (2)
Polytrichum commune (6)
Polytrichum formosum (6)
Polytrichum juniperinum (10)
Polytrichum juniperinum var. gracilius (8)
Polytrichum piliferum (3)
Polytrichum sp. (12)
Pomaria melanostricta (1)
Pometia pinnata (1)
Poncirus trifoliata (4)
Pontederia cordata (32)
Pontederia sp. (1)
Popogyne douglasii (1)
Populus acuminata (1)
Populus alba (27)
Populus angustifolia (57)
Populus balsamifera (18)
Populus brandegeei (2)
Populus deltoides (7)
Populus deltoides ssp. monilifera (6)
Populus fremontii (39)
Populus fremontii fremontii (1)
Populus fremontii ssp. fremontii (99)
Populus fremontii ssp. mesetae (4)
Populus grandidentata (28)
Populus nigra (3)
Populus simonii (2)
Populus songarica (3)
Populus sp. (18)
Populus tremula (14)
Populus tremuloides (226)
Populus trichocarpa (85)
Populus x canadensis (2)
Populus x canescens (2)
Populus x hinckleyana (5)
Porella bolanderi (19)
Porella cordaeana (2)
Porella navicularis (6)
Porella roellii (2)
Porella sp. (3)
Porlieria microphylla (1)
Porophyllum gracile (61)
Porophyllum pausodynum (7)
Porophyllum pinifolium (4)
Porophyllum ruderale (4)
Porophyllum ruderale var. macrocephalum (4)
Porotrichum bigelovii (3)
Porphyra nereocystis (1)
Porphyra perforata (1)
Porphyrostachys pilifera (4)
Porroglossum meridionale (1)
Porroglossum muscosum (1)
Portea petropolitana var. extensa (1)
Porteranthus trifoliatus (2)
Porterella carnosula (46)
Portulaca grandiflora (2)
Portulaca halimoides (33)
Portulaca molokinensis (1)
Portulaca oleracea (33)
Portulaca oleracea 'Giganthes' (1)
Portulaca oleracea 'Giganthes' (white) (1)
Portulaca oleracea ssp. impolita (11)
Portulaca pilosa (10)
Portulaca sclerocarpa (8)
Portulaca suffrutescens (9)
Portulaca umbraticola (5)
Portulacaca pilosa (1)
Postelsia palmaeformis (22)
Potamogeton amplifolius (3)
Potamogeton crispus (6)
Potamogeton epihydrus (11)
Potamogeton foliosus ssp. foliosus (9)
Potamogeton illinoensis (1)
Potamogeton natans (19)
Potamogeton nodosus (6)
Potamogeton praelongus (12)
Potamogeton pusillus (4)
Potamogeton robbinsii (3)
Potamogeton sp. (6)
Potentilla alba (3)
Potentilla albiflora (2)
Potentilla anglica (2)
Potentilla anserina (26)
Potentilla anserina ssp. anserina (6)
Potentilla anserina ssp. pacifica (57)
Potentilla argentea (11)
Potentilla atrosanguinea (4)
Potentilla aurea (8)
Potentilla basaltica (8)
Potentilla biennis (11)
Potentilla breweri (42)
Potentilla bruceae (5)
Potentilla carniolica (22)
Potentilla caulescens (6)
Potentilla cinerea (4)
Potentilla clusiana (8)
Potentilla cottamii (1)
Potentilla crantzii (4)
Potentilla cristae (18)
Potentilla discolor (2)
Potentilla diversifolia var. diversifolia (8)
Potentilla drummondii (17)
Potentilla drummondii ssp. breweri (8)
Potentilla drummondii ssp. bruceae (2)
Potentilla drummondii ssp. drummondii (3)
Potentilla effusa (2)
Potentilla egedii (2)
Potentilla emarginata (1)
Potentilla erecta (5)
Potentilla fissa (1)
Potentilla flabellifolia (39)
Potentilla fruticosa (14)
Potentilla furcata (1)
Potentilla glandulosa (5)
Potentilla glandulosa ssp. ashlandica (7)
Potentilla glandulosa ssp. glandulosa (3)
Potentilla glandulosa ssp. hansenii (3)
Potentilla glandulosa ssp. nevadensis (2)
Potentilla glandulosa ssp. pseudorupestris (9)
Potentilla glandulosa ssp. reflexa (2)
Potentilla glaucophila var. glaucophila (4)
Potentilla glaucophylla var. glaucophylla (8)
Potentilla gracilis (34)
Potentilla gracilis var. brunnescens (3)
Potentilla gracilis var. elmeri (17)
Potentilla gracilis var. fastigiata (56)
Potentilla gracilis var. flabelliformis (10)
Potentilla gracilis var. gracilis (4)
Potentilla grayi (4)
Potentilla heptaphylla (4)
Potentilla hickmanii (15)
Potentilla hippiana (14)
Potentilla holmgrenii (1)
Potentilla hyparctica (2)
Potentilla jepsonii (11)
Potentilla luteosericea (4)
Potentilla micrantha (10)
Potentilla millefolia (19)
Potentilla millefolia var. klamathensis (3)
Potentilla modesta (1)
Potentilla morefieldii (16)
Potentilla newberryi (5)
Potentilla nitida (12)
Potentilla nivea (2)
Potentilla nivea ssp. fallax (1)
Potentilla norvegica (19)
Potentilla ovina (1)
Potentilla palustris (6)
Potentilla pectinisecta (4)
Potentilla pensylvanica (10)
Potentilla pensylvanica var. strigosa (1)
Potentilla pseudosericea (15)
Potentilla pulchella (1)
Potentilla pulcherrima (3)
Potentilla pusilla (14)
Potentilla recta (13)
Potentilla reptans (15)
Potentilla rimicola (24)
Potentilla rimicola var. rimicola (1)
Potentilla rivalis (8)
Potentilla rupestris (3)
Potentilla simplex (3)
Potentilla sp. (5)
Potentilla sterilis (6)
Potentilla supina (1)
Potentilla thurberi (4)
Potentilla uniflora (4)
Potentilla wheeleri (6)
Potentilla zimmeteri (5)
Potentiulla glandulosa (1)
Poteridium annuum (24)
Poterium sanguisorba (15)
Pouteria caimito (3)
Pouteria campechiana (3)
Pouteria grayana (8)
Pouteria sapota (4)
Pouzolzia mixta (4)
Prasium majus (7)
Pratia repens (1)
Praxelis clematidea (4)
Predaea laciniosa (39)
Preissia quadrata (13)
Premna serratifolia (2)
Prenanthella exigua (12)
Prenanthes alata (2)
Prenanthes alba (22)
Prenanthes altissima (8)
Prenanthes racemosa (21)
Prenanthes trifoliata (5)
Prepodesma orpenii (1)
Primula acaulis (18)
Primula albenensis (1)
Primula allionii ssp. agnes (2)
Primula allionii ssp. grandiflora (1)
Primula amethystina (1)
Primula angustifolia (14)
Primula aureata (1)
Primula aureata ssp. netta dennis (2)
Primula auricula (31)
Primula auricula var. braunii (1)
Primula bhutanica (1)
Primula boothii (1)
Primula boothii ssp. alba (1)
Primula boothii ssp. stolonifera (1)
Primula bracteata ssp. ace 1671 (1)
Primula capillaris (3)
Primula capitata ssp. mooreana (3)
Primula carniolica (14)
Primula clevelandii (43)
Primula clevelandii var. clevelandii (38)
Primula clevelandii var. gracilis (9)
Primula clevelandii var. insularis (13)
Primula clevelandii var. patula (56)
Primula columnea (7)
Primula conjugens var. conjugens (1)
Primula conjugens var. viscida (2)
Primula darialica (1)
Primula denticulata (5)
Primula drummondiana (3)
Primula dryadifolia ssp. congestifolia (1)
Primula edgeworthii ssp. alba (1)
Primula egaliksensis (3)
Primula elatior (10)
Primula eximia (2)
Primula farinosa (5)
Primula forbesii (2)
Primula fragrans (27)
Primula gaubeana (1)
Primula halleri (13)
Primula hendersonii (130)
Primula hirsuta (1)
Primula integrifolia (2)
Primula jeffreyi (66)
Primula kisoana ssp. alba (1)
Primula kitaibeliana (12)
Primula laurentiana (1)
Primula lismore ssp. pink ice (1)
Primula lismore-yellow (2)
Primula macrocalyx (1)
Primula malacoides (1)
Primula marginata (1)
Primula marginata ssp. linda pope (2)
Primula marginata ssp. white linda pope (3)
Primula maximowiczii (1)
Primula meadia (11)
Primula minima (11)
Primula minkwitziae (1)
Primula mistassinica (17)
Primula nutans (1)
Primula parryi (21)
Primula patens (40)
Primula pauciflora (19)
Primula pauciflora var. pauciflora (12)
Primula polyantha (5)
Primula primulina (1)
Primula pulchra (1)
Primula redolens (1)
Primula reinei ssp. kitakadensis (1)
Primula renifolia (1)
Primula rusbyi (1)
Primula scotica (2)
Primula sonchifolia (2)
Primula sp. (19)
Primula suffrutescens (54)
Primula tetrandra (59)
Primula tschuktschorum (1)
Primula veris (17)
Primula villosa (10)
Primula voronovi (1)
Primula vulgaris (13)
Primula wulfeniana (12)
Primula x polyantha (19)
Primula x pubescens (1)
Primula x venusta (10)
Prionitis albemarlensis (1)
Prionitis galapagensis (1)
Prionitis hancockii (1)
Prionitis lanceolata (2)
Prionitis linearis (1)
Prionium serratum (1)
Prionosciadium townsendii (2)
Pritchardia affinis (10)
Pritchardia beccariana (5)
Pritchardia flynnii (2)
Pritchardia limahuliensis (2)
Pritchardia minor (4)
Pritchardia napaliensis (4)
Pritchardia schattaueri (2)
Pritzelago alpina (5)
Priva mexicana (11)
Proboscidea althaeifolia (108)
Proboscidea gracillima (1)
Proboscidea louisianica (3)
Proboscidea louisianica ssp louisianica (1)
Proboscidea louisianica ssp. louisianica (18)
Proboscidea lutea (46)
Proboscidea parviflora (7)
Proboscidea sabulosa (1)
Proboscidea sp. (2)
Proboscidea triloba ssp. diversifolia (1)
Procris pedunculata var. Pedunculata (3)
Proiphys amboinensis (1)
Promenea meadowgold (2)
Pronephrium simplex (2)
Prosaptia contigua (6)
Prosaptia pubipes (1)
Prosaptia rosenstockii (1)
Prosaptia subnuda (20)
Prosartes hookeri (73)
Prosartes hookeri var. oregana (1)
Prosartes parvifolia (6)
Prosartes smithii (40)
Prosartes trachycarpa (1)
Prosopis alba (6)
Prosopis articulata (2)
Prosopis chilensis (5)
Prosopis glandulosa (6)
Prosopis glandulosa var. glandulosa (3)
Prosopis glandulosa var. torreyana (60)
Prosopis juliflora (2)
Prosopis juliflora var. glandulosa (3)
Prosopis laevigata (2)
Prosopis pubescens (29)
Prosopis reptans var. cinerascens (11)
Prosopis sp. (5)
Prosopis strombulifera (1)
Prosopis velutina (24)
Prospero autumnale (4)
Prospero elisae (5)
Prostechea cochleata (2)
Prosthechea grammatoglossa (4)
Protaea sp. (1)
Protea cynaroides (6)
Protea magnifica (1)
Protea neriifolia (6)
Protea roupelliae (17)
Protea scolymocephala (2)
Protea sp. (1)
Protea speciosa (2)
Protium sp. (19)
Prumnopitys andina (2)
Prunella grandiflora (6)
Prunella laciniata (6)
Prunella vulgaris (58)
Prunella vulgaris ssp. lanceolata (16)
Prunella vulgaris var. lanceolata (39)
Prunella vulgaris var. vulgaris (7)
Prunus americana (6)
Prunus andersonii (81)
Prunus armeniaca (8)
Prunus avium (12)
Prunus brachybotrya (6)
Prunus campanulata (1)
Prunus caroliniana (2)
Prunus cerasifera (25)
Prunus cerasifera var. pissardii (1)
Prunus cerasoides (4)
Prunus cerasoides var. campanulata (4)
Prunus cerasus (3)
Prunus cistena (4)
Prunus domestica (11)
Prunus dulcis (16)
Prunus dulcis var. dulcis (1)
Prunus emarginata (84)
Prunus eremophila (11)
Prunus fasciculata (30)
Prunus fasciculata var. fasciculata (22)
Prunus fasciculata var. punctata (9)
Prunus fremontii (46)
Prunus hintonii (1)
Prunus ilicifolia (40)
Prunus ilicifolia ssp. ilicifolia (29)
Prunus ilicifolia ssp. lyonii (9)
Prunus laurocerasus (13)
Prunus lusitanica (2)
Prunus mahaleb (6)
Prunus minutiflora (1)
Prunus mume (1)
Prunus mume var. mume (1)
Prunus nipponica (2)
Prunus padus (2)
Prunus pensylvanica (14)
Prunus persica (6)
Prunus persica var. nucipersica (1)
Prunus pumila var. depressa (7)
Prunus salicina (30)
Prunus sargentii (3)
Prunus serotina (22)
Prunus serotina var. serotina (6)
Prunus serrula (2)
Prunus serrulata (24)
Prunus sp. (4)
Prunus spinosa (11)
Prunus subcordata (25)
Prunus subhirtella (6)
Prunus takasago-montana (1)
Prunus tenella (4)
Prunus tomentosa (12)
Prunus triloba (8)
Prunus virginia (1)
Prunus virginiana (33)
Prunus virginiana var. demissa (49)
Prunus virginiana var. melanocarpa (11)
Prunus virginiana var. virginiana (8)
Prunus x blireana (9)
Prunus x yedoensis (2)
Psacalium decompositum (9)
Psathyrotes annua (36)
Psathyrotes pilifera (6)
Psathyrotes ramosissim (3)
Psathyrotes ramosissima (82)
Psathyrotes sp. (1)
Psathyrotopsis scaposa (10)
Pseudelephantopus spicatus (7)
Pseudephebe pubescens (1)
Pseuderanthemum carruthersii var. atropurpureum (1)
Pseuderanthemum carruthersii var. carruthersii (1)
Pseudobahia bahiifolia (21)
Pseudobahia heermannii (39)
Pseudobahia hermannii (1)
Pseudobahia peirsonii (64)
Pseudobahia piersonii (5)
Pseudobombax ellipticum (14)
Pseudobraunia californica (1)
Pseudocalliergon trifarium (1)
Pseudocymopterus montanus (5)
Pseudofumaria alba (6)
Pseudognaphalium beneolens (22)
Pseudognaphalium biolettii (24)
Pseudognaphalium californicum (69)
Pseudognaphalium californicum x stramineum (6)
Pseudognaphalium canescens (25)
Pseudognaphalium leucocephalum (14)
Pseudognaphalium luteo-album (5)
Pseudognaphalium luteoalbum (34)
Pseudognaphalium macounii (10)
Pseudognaphalium microcephalum (10)
Pseudognaphalium obtusifolium (21)
Pseudognaphalium ramosissimum (48)
Pseudognaphalium sp. (3)
Pseudognaphalium stramineum (64)
Pseudognaphalium thermale (9)
Pseudognaphalium viscosum (2)
Pseudogynoxys chenopodioides (3)
Pseudolachnostylis maprouneifolia (3)
Pseudolaingia hancockii (1)
Pseudolarix amabilis (5)
Pseudoleskeella serpentinensis (10)
Pseudolithos cubiformis (1)
Pseudolithos migiurtinus (5)
Pseudolobivia kratochviliana (2)
Pseudolysimachion barrelieri ssp. barrelieri (6)
Pseudopanax crassifolium (2)
Pseudophegopteris keraudreniana (6)
Pseudorchis albida (15)
Pseudorchis albida ssp. albida (9)
Pseudoroegneria spicata (2)
Pseudoroegneria spicata ssp. spicata (2)
Pseudorontium cyaniferum (3)
Pseudorontium cyathiferum (21)
Pseudostellaria jamesiana (33)
Pseudostellaria sierrae (17)
Pseudotrillium rivale (12)
Pseudotsuga macrocarpa (48)
Pseudotsuga menziesii (26)
Pseudotsuga menziesii ssp. glauca (1)
Pseudotsuga menziesii var. glauca (20)
Pseudotsuga menziesii var. menziesii (60)
Pseudotsuga wilsoniana (3)
Pseudotsuga menziesii var. glauca (70)
Psidium cattleianum (7)
Psidium guajava (1)
Psidium guineense (1)
Psilactis asteroides (3)
Psilactis gentryi (9)
Psilactis tenuis (3)
Psilocarphus brevissimus (17)
Psilocarphus brevissimus var brevissimus (3)
Psilocarphus brevissimus var. brevissimus (60)
Psilocarphus chilensis (8)
Psilocarphus elatior (1)
Psilocarphus oregonus (8)
Psilocarphus sp. (1)
Psilocarphus tenellus (41)
Psilocarphus tenellus var. tenellus (1)
Psilocarpus brevissimus (3)
Psilostrophe cooperi (70)
Psilostrophe gnaphalodes (8)
Psilostrophe sparsiflora (3)
Psilostrophe tagetina (2)
Psilotum complanatum (21)
Psilotum nudum (10)
Psittacanthus sonorae (15)
Psoralea bituminosa (8)
Psoralea lanceolatum (2)
Psoralea macrostachya (1)
Psoralidium lanceolatum (2)
Psorothamnus arborescens (13)
Psorothamnus arborescens var. arborescens (31)
Psorothamnus arborescens var. minutifolius (56)
Psorothamnus arborescens var. simplicifolius (2)
Psorothamnus emoryi (55)
Psorothamnus fremontii (21)
Psorothamnus fremontii var. attenuatus (1)
Psorothamnus fremontii var. fremontii (16)
Psorothamnus polydenius (65)
Psorothamnus schottii (56)
Psorothamnus sp. (1)
Psorothamnus spinosus (88)
Psorothsmnus emoryi (11)
Psychopsis papilio (1)
Psychotria costivenia ssp. altorum (1)
Psychotria hawaiiensis var. hillebrandii (7)
Psychotria ligustrifolia (1)
Psychotria mapourioides (12)
Psychotria nervosa (2)
Psychotria rosea (19)
Psychropila leptosepala (7)
Psydrax odoratum (7)
Psygmorchis pusilla (1)
Ptelea crenulata (39)
Ptelea trifoliata (14)
Ptelia crenulata (4)
Pteridium aquilinum (50)
Pteridium aquilinum var. decompositum (3)
Pteridium aquilinum var. latiusculum (1)
Pteridium aquilinum var. pubescens (26)
Pterigynandrum filiforme (12)
Pteris boliviensis (1)
Pteris cretica (7)
Pteris dentata (1)
Pteris ensiformis 'Victoriae' (1)
Pteris ensiformis victoriae (6)
Pteris incompleta (1)
Pteris krameri (1)
Pteris lellingeri (1)
Pteris mertensioides (3)
Pteris nuda (1)
Pteris sp. (2)
Pteris tripartita (6)
Pteris venezuelensis (1)
Pteris websteri (1)
Pterocactus valentinii (2)
Pterocarpus angolensis (4)
Pterocarpus rotundifolius (3)
Pterocarya (1)
Pterocarya stenoptera (5)
Pterocaulon pycnostachyum (8)
Pterocladiella capillacea (1)
Pterogonium gracile (4)
Pterogonum alatum (2)
Pterosiphonia paucicorticata (1)
Pterospermum elongatum (7)
Pterospora andromedea (164)
Pterostegia drymarioides (76)
Pterostyrax hispida (4)
Pterygophora californica (7)
Pteryxia terebinthina var. terebinthina (1)
Ptilidium californicum (9)
Ptilium crista-castrensis (2)
Ptilotus exaltatus (3)
Ptisana salicina (12)
Ptychomitrium gardneri (3)
Ptychosperma elegans (1)
Ptychostomum pacificum (8)
Puccinellia distans (7)
Puccinellia howellii (10)
Puccinellia lemmonii (5)
Puccinellia nutkaensis (2)
Puccinellia nuttalliana (10)
Puccinellia simplex (13)
Pueraria lobata (12)
Pueraria montana (4)
Pueraria phaseoloides (1)
Pulicaria odora (4)
Pulicaria paludosa (22)
Pulmonaria australis (3)
Pulmonaria obscura (1)
Pulmonaria officinalis (3)
Pulmonaria sp. (2)
Pulsatilla alba (5)
Pulsatilla albana ssp. armena (1)
Pulsatilla albana var. flavescens (2)
Pulsatilla alpina (1)
Pulsatilla alpina ssp. alpina (2)
Pulsatilla cernua (13)
Pulsatilla montana (6)
Pulsatilla occidentalis (21)
Pulsatilla patens (8)
Pulsatilla patens ssp. multifida (8)
Pulsatilla slavica (1)
Pulsatilla vernalis (2)
Pulsatilla vulgaris (31)
Punica granatum (30)
Punica granatum var. nana (1)
Purshia glandulosa (1)
Purshia mexicana (7)
Purshia mexicana var. stansburyana (18)
Purshia stansburiana (14)
Purshia stansburyana (49)
Purshia subintegra (4)
Purshia tridentata (45)
Purshia tridentata var. glandulosa (48)
Purshia tridentata var. tridentata (27)
Puya alpestris (5)
Puya berteroana (4)
Puya boliviensis (1)
Puya chilensis (1)
Puya coerulea var. coerulea (2)
Puya coerulea var. violacea (1)
Puya laxa (1)
Puya raimondii (1)
Puya sp. (2)
Puya spathacea (1)
Puya venusta (2)
Pycnanthemum californicum (10)
Pycnanthemum tenuifolium (9)
Pycnanthemum virginianum (17)
Pycreus polystachyos (2)
Pygmaeocereus beiblii (2)
Pygmaeocereus bylesianus (4)
Pyracantha angustifolia (7)
Pyracantha coccinea (12)
Pyracantha crenatiserrata (1)
Pyracantha fortuneana (2)
Pyracantha koidzumii (1)
Pyrethrum leontopodium (4)
Pyrola aphylla (18)
Pyrola asarifolia (28)
Pyrola asarifolia ssp. asarifolia (48)
Pyrola chlorantha (8)
Pyrola dentata (40)
Pyrola elliptica (22)
Pyrola grandiflora (3)
Pyrola minor (28)
Pyrola picta (76)
Pyrola rotundifolia (6)
Pyrola secunda (3)
Pyrola sp. (3)
Pyrostegia venusta (2)
Pyrrhopappus carolinianus (3)
Pyrrhopappus pauciflorus (10)
Pyrrhopappus rothrockii (9)
Pyrrocoma (1)
Pyrrocoma apargioides (68)
Pyrrocoma carthamoides var. cusickii (5)
Pyrrocoma crocea (4)
Pyrrocoma crocea var. crocea (13)
Pyrrocoma lanceolata (7)
Pyrrocoma lucida (9)
Pyrrocoma racemosa (6)
Pyrrocoma racemosa var. congesta (5)
Pyrrocoma racemosa var. paniculata (22)
Pyrrocoma racemosa var. pinetorum (13)
Pyrrocoma racemosa var. sessiliflora (29)
Pyrrocoma sp. (6)
Pyrrocoma uniflora (1)
Pyrrocoma uniflora var. gossypina (13)
Pyrrocoma uniflora var. uniflora (26)
Pyrrosia drakeana (2)
Pyrrosia lingua (6)
Pyrrosia serpens (7)
Pyrus amygdaliformis (15)
Pyrus betulifolia (11)
Pyrus calleryana (39)
Pyrus communis (12)
Pyrus communis x pyrus pyrifolia (1)
Pyrus cordata (7)
Pyrus kawakamii (8)
Pyrus melanocarpa (1)
Pyrus pashia (4)
Pyrus pyraster (6)
Pyrus pyrifolia (1)
Pyrus salicifolia (4)
Pyrus sp. (4)
Pyrus ussuriensis (15)
Pyxidanthera barbulata (1)

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this page last updated: Jun 26, 2017