| Pachira - Phacelia
Pachira aquatica (6)
Pachycereus marginatus (1)
Pachycereus pringlei (43)
Pachycereus schottii (4)
Pachycereus sp. (2)
Pachycereus tepamo (1)
Pachycormus discolor (12)
Pachygone vitiensis (2)
Pachymenia saxicola (1)
Pachyphytum glutinicaule (1)
Pachyphytum kimnachii (1)
Pachyphytum oviferum (1)
Pachypleuria pectinata (2)
Pachypodium baronii var. windsori (2)
Pachypodium bispinosum (1)
Pachypodium densiflorum (1)
Pachypodium gracilius (7)
Pachypodium lamerei (10)
Pachypodium lealii var. sandersii (1)
Pachypodium namaquanum (2)
Pachypodium rosulatum var. gracilis (2)
Pachypodium rosulatum var. horombense (1)
Pachypodium succulentum (1)
Pachysandra sp. (1)
Pachysandra terminalis (10)
Pachystachys coccinea (1)
Pachystachys lutea (3)
Pachystachys spicata (1)
Pachystegia insignis (7)
Pachystima myrsinites (12)
Pachyveria sp. (1)
Packera aurea (4)
Packera bernardina (22)
Packera bolanderi var. bolanderi (12)
Packera breweri (13)
Packera cana (19)
Packera canus (1)
Packera clevelandii (11)
Packera clevelandlandii (5)
Packera cymbalarioides (4)
Packera eurycephala (7)
Packera eurycephala var. eurycephala (5)
Packera eurycephala var. lewisrosei (6)
Packera fendleri (1)
Packera ganderi (4)
Packera greenei (20)
Packera indecora (4)
Packera ionophylla (41)
Packera layneae (38)
Packera macounii (8)
Packera multilobata (22)
Packera pauciflora (7)
Packera paupercula (4)
Packera plattensis (4)
Packera pseudaurea (3)
Packera schweinitziana (4)
Packera streptanthifolia (36)
Packera subnuda (8)
Packera werneriifolia (6)
Packeria greenei (3)
Padina (2)
Padina boryana (13)
Padina gymnospora (1)
Padina japonica (1)
Padina melemele cf (10)
Padus racemosa (1)
Paederota bonarota (5)
Paederota lutea (5)
Paeonia broteri (1)
Paeonia brownii (44)
Paeonia californica (70)
Paeonia cambessedesii (2)
Paeonia delavayi (1)
Paeonia lactiflora (6)
Paeonia lutea (2)
Paeonia mascula ssp. russii (4)
Paeonia officinalis (15)
Paeonia suffruticosa (5)
Paepalanthus sp. (3)
Paesia divaricatissima (9)
Palafoxia arida (17)
Palafoxia arida ssp. arida (3)
Palafoxia arida var. arida (50)
Palafoxia arida var. gigantea (1)
Palafoxia sphacelata (3)
Palisada parvipapillata (7)
Paliurus spina-christi (4)
Pallenis spinosa (11)
Palmaria palmata (4)
Panax quinquefolius (3)
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 (2)
Panicum acuminatum var. acuminatum (16)
Panicum acuminatum var. lindheimeri (7)
Panicum antidotale (12)
Panicum capillare (22)
Panicum dichotomiflorum (3)
Panicum dichotomiflorum ssp. dichotomiflorum (6)
Panicum maximum (2)
Panicum oligosanthes var. scribnerianum (7)
Panicum urvilleanum (13)
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 (25)
Papaver commutatum (1)
Papaver dahlianum (1)
Papaver dalhlianum (2)
Papaver dubium (1)
Papaver heterophyllum (6)
Papaver hybridum (9)
Papaver lapponicum (1)
Papaver nudicaule (4)
Papaver orientale (6)
Papaver radicatum (1)
Papaver rhoeas (24)
Papaver setigerum (1)
Papaver somniferum (17)
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)
Paracaleana nigrita (1)
Paradisea liliastrum (11)
Paragymnopteris marantae (1)
Parajubaea cocoides (3)
Parapholis incurva (10)
Paraquilegia caespitosa (1)
Parasponia andersonii (3)
Parentucellia latifolia (12)
Parentucellia latifolia ssp. albiflora (1)
Parentucellia viscosa (45)
Parietaria diffusa (9)
Parietaria hespera (2)
Parietaria hespera var. californica (6)
Parietaria hespera var. hespera (11)
Parietaria judaica (20)
Parietaria pensylvanica (1)
Parinari littoralis (16)
Paris quadrifolia (9)
Parkinsonia aculeata (17)
Parkinsonia florida (31)
Parkinsonia microphylla (9)
Parkinsonia praecox (4)
Parkinsonia sp. (1)
Parnassia californica (46)
Parnassia cirrata (1)
Parnassia cirrata var. intermedia (18)
Parnassia fimbriata (28)
Parnassia glauca (10)
Parnassia palustris (27)
Parnassia palustris var. parviflora (1)
Parnassia parviflora (1)
Parnassia sp. (1)
Parodia dextrohamata (7)
Parodia dichroacantha (1)
Parodia faustiana (4)
Parodia haselbergii ssp. haselbergii (1)
Parodia leninghausii (1)
Parodia maassii (6)
Parodia magnifica (2)
Parodia mammulosa ssp. brasiliensis (2)
Parodia microsperma (3)
Parodia nivosa (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 franciscana (7)
Paronychia pulvinata (1)
Paronychia sessiliflora (3)
Parryella filifolia (2)
Parthenium confertum (3)
Parthenium incanum (7)
Parthenocissus (1)
Parthenocissus inserta (1)
Parthenocissus quinquefolia (16)
Parthenocissus tricuspidata (2)
Parthenocissus vitacea (2)
Parviphycus antipae (5)
Parvisedum leiocarpum (1)
Parvisedum pentandrum (4)
Parvisedum pumilum (21)
Parvocaulis exigus (1)
Parvocaulis parvula (8)
Pascopyrum smithii (2)
Paspalum conjugatum (1)
Paspalum dilatatum (23)
Paspalum distichum (16)
Paspalum notatum (4)
Paspalum paniculatum (2)
Paspalum paspaloides (7)
Paspalum scrobiculatum (3)
Paspalum urvillei (7)
Paspalum vaginatum (2)
Passiflora alata (15)
Passiflora alatocaerulea (3)
Passiflora caerulea (4)
Passiflora colinvauxii (1)
Passiflora contracta (13)
Passiflora edulis (6)
Passiflora foetida (28)
Passiflora foetida var. galapagensi (1)
Passiflora galbana (7)
Passiflora huamachucoensis (1)
Passiflora incarnata (3)
Passiflora maliformis (2)
Passiflora membranacea (2)
Passiflora quadrangularis (2)
Passiflora sp. (2)
Passiflora suberosa (4)
Passiflora tarminiana (3)
Passiflora tripartita var. mollissima (2)
Passiflora vitifolia (1)
Passiflora x 'coral glow' (4)
Pastinaca sativa (8)
Paullinia tomentosa (5)
Paulownia tomentosa (7)
Pavonia aurigloba (1)
Paxistima myrsinites (14)
Pearcea hypocyrtiflora (3)
Pecluma alfredii (2)
Pectiantia breweri (4)
Pectiantia ovalis (3)
Pectiantia pentandra (4)
Pectis papposa (11)
Pectis papposa var. papposa (60)
Pectis tenuifolia (2)
Pectocarya heterocarpa (21)
Pectocarya linearis (3)
Pectocarya linearis ssp. ferocula (15)
Pectocarya penicillata (26)
Pectocarya peninsularis (5)
Pectocarya platycarpa (34)
Pectocarya pusilla (24)
Pectocarya recurvata (45)
Pectocarya setosa (28)
Pectocarya spp (linearis & recurvata) (1)
Pedicularis angustifolia (5)
Pedicularis attollens (59)
Pedicularis attollens ssp. attollens (7)
Pedicularis bracteosa (17)
Pedicularis bracteosa var. atrosanguinea (4)
Pedicularis bracteosa var. bracteosa (1)
Pedicularis bracteosa var. flavida (9)
Pedicularis canadensis (4)
Pedicularis capitata (4)
Pedicularis centranthera (28)
Pedicularis chamissonis (1)
Pedicularis contorta (23)
Pedicularis contorta var. contorta (1)
Pedicularis crenulata (8)
Pedicularis cystopteridifolia (1)
Pedicularis densiflora (123)
Pedicularis densiflora ssp. densiflora (4)
Pedicularis dudleyi (17)
Pedicularis elongata ssp. julica (5)
Pedicularis groenlandica (81)
Pedicularis howellii (2)
Pedicularis kerneri (3)
Pedicularis lanata (2)
Pedicularis langsdorfii subspecies arctica (1)
Pedicularis oederi (2)
Pedicularis ornithorhyncha (7)
Pedicularis parryi (2)
Pedicularis parryi ssp. parryi (3)
Pedicularis parryi var. parryi (1)
Pedicularis parviflora (1)
Pedicularis procera (2)
Pedicularis racemosa (30)
Pedicularis rainierensis (3)
Pedicularis rostratocapitata (3)
Pedicularis rostratocapitata ssp. rostratocapitata (4)
Pedicularis semibarbata (64)
Pedicularis semibarbata var. charlestonensis (4)
Pedicularis semibarbata var. semibarbata (3)
Pedicularis sp. (6)
Pedicularis tuberosa (1)
Pedicularis verticillata (4)
Pedilanthus bracteatus (2)
Pedilanthus macrocarpus (9)
Pedilanthus tithymaloides (1)
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 (10)
Pediocactus simpsonii var. simpsonii (16)
Pediomelum argophyllum (3)
Pediomelum californicum (13)
Pediomelum castoreum (4)
Pediomelum escuenta (1)
Pediomelum mephiticum (2)
Pediomelum pentaphyllum (2)
Pediomelum tenuiflorum (1)
Peganum harmala (18)
Pelagodoxa henryana (1)
Pelargonium bowkeri (2)
Pelargonium capitatum (1)
Pelargonium domesticum (5)
Pelargonium drummondii (2)
Pelargonium exstipulatum (2)
Pelargonium fissifolium (2)
Pelargonium graveolens (3)
Pelargonium grossularioides (4)
Pelargonium hortorum (5)
Pelargonium ionidiflorum (2)
Pelargonium laevigatum (1)
Pelargonium lobatum (1)
Pelargonium odoratissimum (2)
Pelargonium sidoides (2)
Pelargonium sp. (8)
Pelargonium tomentosum (2)
Pelargonium triste (2)
Pelargonium vitifolium (14)
Pelargonium X domesticum pink (1)
Pelargonium X hortorum red (1)
Pelecyphora aselliformis (2)
Pelecyphora strobiliformis (3)
Peleophycus multiprocarpium (14)
Pellaea andromedifolia (59)
Pellaea atropurpurea (2)
Pellaea brachyptera (16)
Pellaea brandegeei (1)
Pellaea breweri (17)
Pellaea bridgesii (18)
Pellaea calomelanos (1)
Pellaea glaciogena (1)
Pellaea mucronata (20)
Pellaea mucronata ssp. californica (3)
Pellaea mucronata var. californica (1)
Pellaea mucronata var. mucronata (16)
Pellaea peruviana (1)
Pellaea rotundifolia (1)
Pellaea truncata (13)
Pellia endiviifolia (5)
Pellia epiphylla (5)
Peltandra virginica (2)
Peltigera aphthosa (1)
Peltiphyllum peltatum (6)
Peltophorum africanum (11)
Peltophorum pterocarpum (3)
Pelvetia canaliculata (1)
Pelvetia fastigiata (1)
Pelvetiopsis limitata (3)
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 (5)
Peniocereus marnierianus (4)
Peniocereus oaxacensis (2)
Peniocereus occidentalis (3)
Peniocereus rosei (6)
Peniocereus serpentinus (3)
Peniocereus sp. (3)
Peniocereus striatus (5)
Peniocereus tepalcatepecanus (2)
Peniocereus viperinus (3)
Peniocereus zopilotensis (4)
Pennisetum alopecuroides (1)
Pennisetum clandestinum (18)
Pennisetum glaucum (13)
Pennisetum latifolium (3)
Pennisetum polystachion (2)
Pennisetum setaceum (33)
Pennisetum villosum (12)
Penstemon acuminatus var. acuminatus (3)
Penstemon acuminatus var. latebracteatus (14)
Penstemon alamosensis (5)
Penstemon albertinus (4)
Penstemon albidus (4)
Penstemon albomarginata (2)
Penstemon albomarginatus (18)
Penstemon ambiguus (10)
Penstemon ambiguus var. laevissimus (3)
Penstemon anguineus (23)
Penstemon angustifolius (1)
Penstemon arenicola (3)
Penstemon aridus (4)
Penstemon attenuatus var. palustris (8)
Penstemon azureus (14)
Penstemon azureus ssp. angustissimus (23)
Penstemon azureus ssp. azureus (10)
Penstemon azureus var. azureus (21)
Penstemon barbatus (2)
Penstemon barbatus ssp. torreyi (6)
Penstemon barnebyi (13)
Penstemon barrettiae (5)
Penstemon bicolor (14)
Penstemon bicolor ssp. bicolor (8)
Penstemon bicolor ssp. roseus (16)
Penstemon bracteatus (7)
Penstemon bridgesii (11)
Penstemon caesius (17)
Penstemon caespitosus var. desertipicti (8)
Penstemon calcareus (14)
Penstemon californicus (21)
Penstemon cardinalis (3)
Penstemon cardwellii (2)
Penstemon carnosus (3)
Penstemon centranthifolius (53)
Penstemon cinereus (1)
Penstemon cinicola (11)
Penstemon clevelandii (2)
Penstemon clevelandii ssp. connatus (6)
Penstemon clevelandii var. clevelandii (7)
Penstemon clevelandii var. connatus (7)
Penstemon clutei (2)
Penstemon comarrhenus (9)
Penstemon concinnus (16)
Penstemon confertus (17)
Penstemon confusus (15)
Penstemon cusickii (8)
Penstemon cyananthus (7)
Penstemon cyaneus (5)
Penstemon davidsonii (15)
Penstemon davidsonii var. davidsonii (48)
Penstemon davidsonii var. menziesii (2)
Penstemon davidsonii var. praeteritus (6)
Penstemon debilis (4)
Penstemon deustus (44)
Penstemon deustus var. pedicellatus (14)
Penstemon deustus var. suffrutescens (12)
Penstemon digitalis (11)
Penstemon dolius (9)
Penstemon dolius var. dolius (4)
Penstemon eatonii (32)
Penstemon eatonii ssp. eatonii (2)
Penstemon eatonii ssp. undosus (5)
Penstemon eatonii var. eatonii (3)
Penstemon ellipticus (3)
Penstemon eriantherus (7)
Penstemon euglaucus (5)
Penstemon filiformis (11)
Penstemon floridus (12)
Penstemon floridus var. austinii (9)
Penstemon floridus var. floridus (37)
Penstemon fruticiformis (2)
Penstemon fruticiformis ssp. amargosae (4)
Penstemon fruticiformis var. amargosae (2)
Penstemon fruticiformis var. fruticiformis (6)
Penstemon fruticosus (12)
Penstemon gairdneri (4)
Penstemon gairdneri var. gairdneri (4)
Penstemon glaber (4)
Penstemon glaber var. alpinus (6)
Penstemon globosus (6)
Penstemon gloxinoides (2)
Penstemon gracilentus (50)
Penstemon gracilis (2)
Penstemon grandiflorus (5)
Penstemon griffinii (3)
Penstemon grinnellii (48)
Penstemon grinnellii ssp. grinnellii (6)
Penstemon grinnellii ssp. scrophularioides (7)
Penstemon grinnellii var. grinnellii (8)
Penstemon hallii (3)
Penstemon haydenii (2)
Penstemon heterodoxus (19)
Penstemon heterodoxus var. cephalophorus (12)
Penstemon heterodoxus var. heterodoxus (29)
Penstemon heterodoxus var. shastensis (8)
Penstemon heterophyllus (35)
Penstemon heterophyllus ssp. heterophyllus (1)
Penstemon heterophyllus var. australis (4)
Penstemon heterophyllus var. heterophyllus (32)
Penstemon heterophyllus var. purdyi (3)
Penstemon hirsutus (1)
Penstemon humilis (13)
Penstemon humilis ssp. obtusifolius (1)
Penstemon humilis var. humilis (11)
Penstemon immanifestus (5)
Penstemon incertus (10)
Penstemon jamesii (3)
Penstemon janishiae (23)
Penstemon labrosus (24)
Penstemon laetus (26)
Penstemon laetus ssp. laetus (9)
Penstemon laetus ssp. sagitattus (5)
Penstemon laetus ssp. sagittatus (6)
Penstemon laetus var. laetus (16)
Penstemon laetus var. sagittatus (15)
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. higginsii (3)
Penstemon leonardii var. leonardii (5)
Penstemon linarioides (3)
Penstemon linarioides ssp. coloradoensis (3)
Penstemon lyallii (7)
Penstemon monoensis (18)
Penstemon moriahensis (3)
Penstemon nanus (7)
Penstemon neomexicanus (1)
Penstemon neotericus (15)
Penstemon newberryi (66)
Penstemon newberryi ssp. newberryi (10)
Penstemon newberryi var. berryi (15)
Penstemon newberryi var. newberryi (37)
Penstemon newberryi var. sonomensis (8)
Penstemon nitidus (4)
Penstemon pachyphyllus (6)
Penstemon pachyphyllus var. congestus (4)
Penstemon palmeri (28)
Penstemon palmeri var. eglandulous (4)
Penstemon palmeri var. palmeri (24)
Penstemon papillatus (13)
Penstemon parryi (17)
Penstemon parvulus (12)
Penstemon patens (25)
Penstemon payettensis (3)
Penstemon personatus (25)
Penstemon pinifolius (6)
Penstemon procerus (30)
Penstemon procerus var. formosus (7)
Penstemon procerus var. procerus (1)
Penstemon pseudoputus (4)
Penstemon pseudospectabilis (20)
Penstemon pseudospectablis (1)
Penstemon purpusii (4)
Penstemon rattanii (4)
Penstemon rattanii var. kleei (3)
Penstemon rhizomatosus (4)
Penstemon richardsonii var. dentatus (5)
Penstemon roezlii (42)
Penstemon rostiflorus (2)
Penstemon rostriflorus (98)
Penstemon rubicundus (7)
Penstemon rupicola (28)
Penstemon rydbergii (9)
Penstemon rydbergii var. oreocharis (35)
Penstemon rydbergii var. rydbergii (8)
Penstemon scapoides (35)
Penstemon secundiflorus (4)
Penstemon serrulatus (9)
Penstemon sp. (16)
Penstemon speciosus (96)
Penstemon spectabilis (40)
Penstemon spectabilis var. spectabilis (23)
Penstemon spectabilis var. subviscosus (24)
Penstemon spectabilis? (1)
Penstemon stephensii (24)
Penstemon strictus (5)
Penstemon sudans (7)
Penstemon superbus (1)
Penstemon thompsoniae (8)
Penstemon thompsoniae ssp. jaegeri (4)
Penstemon thurberi (27)
Penstemon tracyi (5)
Penstemon unilateralis (6)
Penstemon utahensis (32)
Penstemon venustus (6)
Penstemon virens (7)
Penstemon virgatus (1)
Penstemon watsonii (9)
Penstemon whippleanus (28)
Penstemon wilcoxii (5)
Penstemon X parishii (5)
Pentacalia peruviana (1)
Pentachaeta aurea (7)
Pentachaeta aurea ssp. allenii (4)
Pentachaeta aurea ssp. aurea (3)
Pentachaeta bellidiflora (9)
Pentachaeta exilis ssp. aeolica (24)
Pentachaeta exilis ssp. exilis (2)
Pentachaeta lyonii (6)
Pentagramma pallida (14)
Pentagramma triangularis (45)
Pentagramma triangularis ssp. maxonii (2)
Pentagramma triangularis ssp. triangularis (20)
Pentagramma triangularis ssp. viscosa (2)
Pentagramma triangularis var. triangularis (5)
Pentalinon luteum (2)
Pentarhizidium orientale (1)
Pentas lanceolata subsp. lanceolata (1)
Pentemon bicolor ssp. roseus (2)
Penthorum sedoides (6)
Pentstemon spectabilis (1)
Pentzia incana (2)
Peonia browii (1)
Peperomia columnaris (2)
Peperomia grantii (4)
Peperomia magnoliifolia (1)
Peperomia obtusifolia (1)
Peperomia pallida (1)
Peperomia pellucida (1)
Peperomia societatis (2)
Peplonia bradeana (10)
Peraphyllum ramosissimum (18)
Pereskia aculeata (5)
Pereskia sacharosa (1)
Pereskia weberiana (1)
Perezia sp. (1)
Pericallis aurita (2)
Pericallis webbii (1)
Pericallis X hybrida (1)
Pericome caudata (13)
Perideridia bacigalupii (15)
Perideridia bolanderi (17)
Perideridia bolanderi ssp. bolanderi (18)
Perideridia californica (17)
Perideridia erythrorhiza (8)
Perideridia gairdneri (9)
Perideridia gairdneri ssp. borealis (3)
Perideridia gairdneri ssp. gairdneri (21)
Perideridia howellii (11)
Perideridia kelloggii (16)
Perideridia lemmonii (4)
Perideridia leptocarpa (7)
Perideridia oregana (11)
Perideridia parishii (16)
Perideridia parishii ssp. latifolia (1)
Perideridia parishii ssp. parishii (6)
Perideridia pringlei (6)
Perideridia sp. (1)
Perilla frutescens var. acuta (1)
Periploca angustifolia (2)
Peritoma arborea (7)
Peritoma arborea var. angustata (5)
Peritoma arborea var. arborea (21)
Peritoma arborea var. globosa (4)
Perityle batopilensis (3)
Perityle californica (1)
Perityle emoryi (41)
Perityle inyoensis (10)
Perityle megalocephala var. megalocephala (6)
Perityle megalocephala var. oligophylla (5)
Perityle microcephala (4)
Perityle stansburyi (2)
Perityle tenella (3)
Perityle villosa (22)
Pernettya prostrata (2)
Pernettya pumila (1)
Perrottetia sandwicensis (10)
Persea americana (26)
Persicaria amphibia (3)
Persicaria glabra (1)
Persicaria hydropiperoides (1)
Persicaria lapathifolia (14)
Persicaria maculosa (5)
Persicaria punctata (6)
Pescatorea lehmanii (2)
Petalonyx linearis (5)
Petalonyx nitidus (12)
Petalonyx parryi (4)
Petalonyx thurberi (20)
Petalonyx thurberi ssp. gilmanii (12)
Petalonyx thurberi ssp. thurberi (23)
Petalostemum purpureum (2)
Petasites albus (9)
Petasites amplus (1)
Petasites figidus var. palmatus (3)
Petasites fragrans (13)
Petasites frigidus (5)
Petasites frigidus var. palmatus (40)
Petasites hybridus (5)
Petasites japonicus (2)
Petasites paradoxus (7)
Petasites sagittatus (1)
Peteria thompsonae (1)
Petradoria pumila ssp. pumila (5)
Petrea volubilis (6)
Petrocallis pyrenaica (5)
Petrocelis sp. (1)
Petrophyton caespitosum (12)
Petrophyton caespitosum ssp. caespitosum (5)
Petrophytum acuminatum (2)
Petrophytum caespitosum (1)
Petrophytum caespitosum ssp. caespitosum (7)
Petrorhagia dubia (30)
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 (1)
Petunia parviflora (6)
Petunia sp. (32)
Peucedanum japonicum (2)
Peucedanum ostruthium (2)
Peucedanum verticillare (8)
Peucephyllum schottii (41)
Peyssonnelia (42)
Peyssonnelia boergesenii (2)
Peyssonnelia bornetii cf (7)
Peyssonnelia inamoena (4)
Peyssonnelia sp. (3)
Peyssonnelia sp.3 (6)
Pfeiffera ianthothele (3)
Phacelia adenophora (6)
Phacelia affinis (9)
Phacelia alba (1)
Phacelia anelsonii (15)
Phacelia argentea (5)
Phacelia austromontana (5)
Phacelia barnebeyana (2)
Phacelia barnebyana (2)
Phacelia bicolor (32)
Phacelia bicolor var. bicolor (5)
Phacelia bolanderi (16)
Phacelia brachyloba (47)
Phacelia breweri (23)
Phacelia californica (36)
Phacelia calthifolia (54)
Phacelia campanularia (44)
phacelia campanularia ssp. campanularia (34)
Phacelia campanularia ssp. vasiformis (31)
Phacelia campanularia var. vasiformis (1)
Phacelia cicutaria (35)
Phacelia cicutaria var. cicutaria (25)
Phacelia cicutaria var. hispida (33)
Phacelia cicutaria var. hubbyi (1)
Phacelia ciliata (34)
Phacelia cloudcroftensis (2)
Phacelia coerulea (7)
Phacelia congdonii (19)
Phacelia cookei (2)
Phacelia corymbosa (10)
Phacelia crenulata (52)
Phacelia crenulata var. ambigua (32)
Phacelia crenulata var. crenulata (14)
Phacelia crenulata var. minutiflora (18)
Phacelia cryptantha (13)
Phacelia curvipes (51)
Phacelia dalesiana (21)
Phacelia davidsonii (21)
Phacelia distans (110)
Phacelia distans var. australis (1)
Phacelia divaricata (32)
Phacelia douglasii (40)
Phacelia douglasii var. petrophila (2)
Phacelia egena (14)
Phacelia eisenii (16)
Phacelia eisenii var. brandegeeana (4)
Phacelia exilis (26)
Phacelia filiae (9)
Phacelia floribunda (15)
Phacelia fremontii (85)
Phacelia glandulifera (4)
Phacelia grandiflora (35)
Phacelia greenei (15)
|
Phacelia - Poa
Phacelia grisea (9)
Phacelia gymnoclada (6)
Phacelia hastata (17)
Phacelia hastata ssp. compacta (23)
Phacelia hastata ssp. hastata (9)
Phacelia hastata var. compacta (14)
Phacelia hastata var. hastata (4)
Phacelia heterophylla (2)
Phacelia heterophylla ssp. virgata (32)
Phacelia heterophylla var. heterophylla (4)
Phacelia heterophylla var. virgata (6)
Phacelia hirsuta (3)
Phacelia hirtuosa (1)
Phacelia hubbyi (6)
Phacelia humilis (19)
Phacelia humilis var. humilis (16)
Phacelia hydrophylloides (35)
Phacelia imbricata (27)
Phacelia imbricata ssp. imbricata (19)
Phacelia imbricata ssp. patula (3)
Phacelia imbricata var. bernardina (1)
Phacelia imbricata var. imbricata (5)
Phacelia imbricata var. patula (2)
Phacelia incana (4)
Phacelia insularis (2)
Phacelia insularis var. continentis (13)
Phacelia insularis var. insularis (6)
Phacelia integrifolia (2)
Phacelia inundata (2)
Phacelia inyoensis (1)
Phacelia ivesiana (21)
Phacelia keckii (2)
Phacelia lemmonii (3)
Phacelia linearis (36)
Phacelia longipes (16)
Phacelia lutea var. lutea (6)
Phacelia lyonii (3)
Phacelia malvifolia (22)
Phacelia malvifolia var. malvifolia (10)
Phacelia marcescens (12)
Phacelia minor (56)
Phacelia mohavensis (23)
Phacelia monoensis (21)
Phacelia mustelina (18)
Phacelia mutabilis (34)
Phacelia nashiana (49)
Phacelia neglecta (28)
Phacelia nemoralis (6)
Phacelia orogenes (1)
Phacelia pachyphylla (14)
Phacelia palmeri (11)
Phacelia parishii (19)
Phacelia parryi (29)
Phacelia parryi and Phacelia hirtuosa (1)
Phacelia pauciflora (2)
Phacelia pedicellata (57)
Phacelia perityloides (17)
Phacelia perityloides var. jaegeri (5)
Phacelia perityloides var. perityloides (2)
Phacelia phacelioides (4)
Phacelia platicarpa (2)
Phacelia platyloba (9)
Phacelia pringlei (16)
Phacelia procera (6)
Phacelia pulchella var. gooddingii (14)
Phacelia purpusii (27)
Phacelia quickii (24)
Phacelia racemosa (8)
Phacelia ramosissima (14)
Phacelia ramosissima var. austrolitoralis (6)
Phacelia ramosissima var. eremophila (3)
Phacelia ramosissima var. latifolia (7)
Phacelia ramosissima var. ramosissima (15)
Phacelia ramosissima var. subglabra (4)
Phacelia rattanii (6)
Phacelia rotundifolia (23)
Phacelia saxicola (4)
Phacelia sericea (29)
Phacelia sericea ssp. ciliosa (8)
Phacelia sericea ssp. sericea (3)
Phacelia sivinskii (2)
Phacelia sp. (13)
Phacelia stebbinsii (19)
Phacelia stellaris (23)
Phacelia suaveolens ssp. keckii (4)
Phacelia suaveolens var. suaveolens (13)
Phacelia tanacetifolia (55)
Phacelia thermalis (1)
Phacelia vallicola (18)
Phacelia vallis-mortae (24)
Phacelia viscida (28)
Phacelia viscida var. albiflora (6)
Phagnalon graecum (4)
Phagnalon rupestre (6)
Phaiphleps biflora (1)
Phaius terrestris (2)
Phalacroseris bolanderi (13)
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 (23)
Phalaris arundinacea (21)
Phalaris brachystachys (9)
Phalaris californica (18)
Phalaris canariensis (13)
Phalaris lemmonii (13)
Phalaris minor (20)
Phalaris paradoxa (17)
Phascum cuspidatum (1)
Phaseolus acutifolius (1)
Phaseolus filiformis (4)
Phaseolus montanus (1)
Phaseolus vulgaris (6)
Phedimus kamtschaticus (2)
Phedimus obtusifolius (1)
Phedimus stellatus (5)
Phedimus stoloniferus (1)
Phegopteris connectilis (25)
Phelipanche ramosa (1)
Phellodendron amurense (2)
Phemeranthus teretifolius (1)
Philadelphicus lewisii (3)
Philadelphus (1)
Philadelphus californicus (3)
Philadelphus coronarius (5)
Philadelphus lewisii (57)
Philadelphus microphyllus (1)
Philadelphus serpyllifolium (1)
Philadelphus sp. (1)
Philadelphus tenuifolius (1)
Philenoptera violacea (7)
Philodendron acutatum (12)
Philodendron erubescens (1)
Philodendron erubescens 'Red Emerald' (1)
Philodendron fragrantissimum (8)
Philodendron lacerum (1)
Philodendron radiatum (2)
Philodendron scandens (1)
Philodendron sp. (1)
Philodendron squamiferum (1)
Philodendron surinamense (13)
Philonotis fontana (2)
Philonotis yezoana (7)
Phlebodium pseudoaureum (2)
Phleum alpinum (12)
Phleum arenarium (2)
Phleum pratense (15)
Phleum subulatum (1)
Phlomis alpina (2)
Phlomis fruticosa (1)
Phlomis herba-venti (9)
Phlomis lanata (1)
Phlomis lychnitis (2)
Phlox adsurgens (14)
Phlox austromontana (17)
Phlox bifida (2)
Phlox bifida ssp. stellaria (2)
Phlox caespitosa (8)
Phlox condensata (25)
Phlox covillei (4)
Phlox diffusa (100)
Phlox diffusa ssp. longistylis (3)
Phlox divaricata (6)
Phlox dolichantha (42)
Phlox douglasii (1)
Phlox gracilis (36)
Phlox griseola ssp. tumulosa (4)
Phlox hirsuta (15)
Phlox hoodii (6)
Phlox hoodii ssp. canescens (21)
Phlox hoodii ssp. muscoides (7)
Phlox longifolia (10)
Phlox longifolia ssp. longifolia (3)
Phlox longlifloria (3)
Phlox maculata (5)
Phlox mesoleuca (1)
Phlox multiflora (2)
Phlox muscoides (1)
Phlox nana (1)
Phlox nana ssp. ensifolia (3)
Phlox paniculata (18)
Phlox pulvinata (8)
Phlox rigida (3)
Phlox roemeriana (2)
Phlox sp. (8)
Phlox speciosa (31)
Phlox speciosa ssp. nitida (2)
Phlox speciosa ssp. occidentalis (29)
Phlox stansburyi (49)
Phlox stansburyi ssp. stansburyi (2)
Phlox stansburyi ssp. superba (1)
Phlox subulata (6)
Phlox viscida (1)
Phoenicaulis cheiranthoides (50)
Phoenix canariensis (15)
Phoenix dactylifera (8)
Phoenix roebelinii (1)
Phoenix sp. (5)
Pholidota chinensis (1)
Pholisma arenarium (44)
Pholisma sonorae (24)
Pholistoma auritum (27)
Pholistoma auritum var. arizonicum (3)
Pholistoma auritum var. auritum (30)
Pholistoma membranaceum (44)
Pholistoma racemosum (12)
Phoradendron bolleanum (11)
Phoradendron californicum (72)
Phoradendron densum (17)
Phoradendron flavescens (1)
Phoradendron juniperinum (16)
Phoradendron libocedri (2)
Phoradendron macrophyllum (4)
Phoradendron serotinum (1)
Phoradendron serotinum ssp. tomentosum (2)
Phoradendron sp. (6)
Phoradendron tomentosum (1)
Phoradendron villosum (23)
Phoradenron serotinum ssp. macrophyllum (5)
Phormium tenax (2)
Photinia davidsoniae (1)
Photinia fraseri (6)
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 (40)
Phreatia myosorus (1)
Phryma leptostachya (6)
Phrynosoma blainvillii (3)
Phuopsis stylosa (6)
Phycodrina elegans (1)
Phycodrys elegans (1)
Phyla nodflora var. nodiflora (4)
Phyla nodiflora (12)
Phyla nodiflora var. nodiflora (7)
Phyla nodiflora var. rosea (1)
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)
Phyllodictyon anastomosans (12)
Phyllodoce aleutica (2)
Phyllodoce breweri (70)
Phyllodoce caerulea (3)
Phyllodoce empetriformis (28)
Phyllodoce glanduliflora (15)
Phyllospadix scouleri (14)
Phyllospadix sp. (1)
Phyllostachys aurea (1)
Phyllostachys sp. (2)
Phyllostachys vivax (1)
Phyllostegia brevidens (8)
Phyllostegia racemosa (4)
Phyllostegia velutina (8)
Phyloodoce breweri (1)
Phylotacca heteropetala (3)
Phymatidium falcifolium (3)
Physalis acutifolia (5)
Physalis alkekengi (22)
Physalis alkekengi var. franchetii (2)
Physalis angulata (1)
Physalis crassifolia (71)
Physalis crassifolia var. crassifolia (1)
Physalis crassifolia var. infundibularis (2)
Physalis crasssifolia (4)
Physalis hederifolia (2)
Physalis hederifolia var. cordifolia (1)
Physalis hederifolia var. fendleri (4)
Physalis hederifolia var. palmeri (3)
Physalis heterophylla (4)
Physalis lanceifolia (3)
Physalis lobata (21)
Physalis peruviana (2)
Physalis philadelphica (1)
Physalis philadelphica var. immaculata (1)
Physalis pubescens var. integrifolia (5)
Physalis sp. (2)
Physalis viscosa (2)
Physalis walteri (2)
Physaria chambersii (18)
Physaria didymocarpa (1)
Physaria didymocarpa var. didymocarpa (3)
Physaria didymocarpus (1)
Physaria fendleri (1)
Physaria kingii ssp. latifolia (3)
Physaria occidentalis ssp. occidentalis (3)
Physaria pinetorum (1)
Physaria tenella (3)
Physaria vitulifera (2)
Physcomitrium californicum (5)
Physocarpus alternans (7)
Physocarpus capitatus (37)
Physocarpus malvaceus (1)
Physocarpus monogynus (2)
Physocarpus opulifolius (19)
Physoplexis comosa (13)
Physostegia purpurea (1)
Physostegia virginiana (7)
Phytelephas macrocarpa (1)
Phyteuma hemisphaericum (2)
Phyteuma orbiculare (7)
Phyteuma scheuchzeri (7)
Phyteuma sieberi (2)
Phyteuma sp. (1)
Phyteuma zahlbruckneri (5)
Phytolacca acinosa (2)
Phytolacca americana (29)
Phytolacca americana var. americana (3)
Phytolacca heterotepala (7)
Phytolacca icosandra (3)
Phytolacca octandra (3)
Picea abies (17)
Picea breweriana (29)
Picea engelmannii (25)
Picea glauca (14)
Picea mariana (12)
Picea mexicana (1)
Picea pungens (28)
Picea rubens (4)
Picea sitchensis (28)
Picea sp. (2)
Picea x fennica (1)
Pickeringia montana (33)
Pickeringia montana var. montana (18)
Pickeringia montana var. tomentosa (7)
Picris echioides (28)
Picris hieracioides (7)
Picrothamnus desertorum (2)
Pieris floribunda (4)
Pieris japonica (8)
Pilea cadierei (1)
Pilea cadurei (1)
Pilea microphylla (2)
Pilea nummulariifolia (1)
Pilea pumila (1)
Pilocarpus riedelianus (26)
Pilophorus acicularis (3)
Pilosella aurantiaca (1)
Pilosocereus alensis (1)
Pilosocereus aurisetus (3)
Pilosocereus cometes (1)
Pilosocereus glaucescens (1)
Pilosocereus glaucochrous (1)
Pilostyles thurberi (40)
Pilularia americana (11)
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 (14)
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 (26)
Pinguicula lusitanicum (2)
Pinguicula lutea (24)
Pinguicula macroceras (4)
Pinguicula macroceras ssp. macroceras (27)
Pinguicula macroceras ssp. nortensis (26)
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 (11)
Pinguicula pumila var. buswellii (3)
Pinguicula rectifolia (1)
Pinguicula reticulata (4)
Pinguicula rotundiflora (3)
Pinguicula sp. (4)
Pinguicula vallisneriifolia (31)
Pinguicula vulgaris (9)
Pinguicula vulgaris ssp. macroceras (11)
Pinus albicaulis (69)
Pinus aristata (6)
Pinus attenuata (41)
Pinus balfouriana (21)
Pinus balfouriana ssp. austrina (33)
Pinus balfouriana ssp. balfouriana (4)
Pinus banksiana (4)
Pinus canariensis (15)
Pinus caribaea var. hondurensis (1)
Pinus cembra (1)
Pinus cembroides (5)
Pinus contorta (21)
Pinus contorta ssp. bolanderi (12)
Pinus contorta ssp. contorta (6)
Pinus contorta ssp. latifolia (4)
Pinus contorta ssp. murrayana (32)
Pinus contorta ssp. murryana (1)
Pinus contorta var. bolanderi (4)
Pinus contorta var. latifolia (1)
Pinus contorta var. murrayana (29)
Pinus coulteri (36)
Pinus densiflora (15)
Pinus edulis (49)
Pinus elliottii (1)
Pinus flexilis (51)
Pinus glabra (2)
Pinus greggii (1)
Pinus halepensis (19)
Pinus jeffreyi (92)
Pinus koraiensis (22)
Pinus lambertiana (55)
Pinus longaeva (173)
Pinus maximartinezii (1)
Pinus monophylla (63)
Pinus monophylla ssp. fallax (1)
Pinus monticola (57)
Pinus mugo (11)
Pinus mugo ssp. uncinata (3)
Pinus muricata (47)
Pinus nigra (13)
Pinus palustris (1)
Pinus pinea (7)
Pinus ponderosa (99)
Pinus ponderosa ssp. ponderosa (8)
Pinus ponderosa var. ponderosa (12)
Pinus ponderosa var. scopulorum (35)
Pinus ponderosa var. washoensis (3)
Pinus pumila (3)
Pinus quadrifolia (16)
Pinus radiata (48)
Pinus resinosa (5)
Pinus sabineana (42)
Pinus sabiniana (41)
Pinus sp. (9)
Pinus strobiformis ssp. veitchii (8)
Pinus strobus (14)
Pinus sylvestris (6)
Pinus sylvestris var. nevadensis (1)
Pinus sylvestris var. sylvestris (3)
Pinus torreyana (20)
Pinus torreyana ssp. insularis (3)
Pinus torreyana ssp. torreyana (28)
Pinus torreyana var. insularis (7)
Pinus torreyana var. torreyana (3)
Pinus wallichiana (2)
Pinus washoensis (5)
Piper auritum (4)
Piper methysticum (1)
Piper nigrum (1)
Piper sarmentosum (1)
Piperia candida (28)
Piperia colemanii (25)
Piperia cooperi (7)
Piperia elegans (29)
Piperia elegans ssp. decurtata (5)
Piperia elegans ssp. elegans (18)
Piperia elongata (42)
Piperia leptopetala (5)
Piperia michaelii (11)
Piperia transversa (37)
Piperia unalascensis (37)
Piperia yadonii (6)
Piptatherum micranthum (6)
Piptatherum miliaceum (38)
Piptochaetium setosum (16)
Piptochaetium stipoides (4)
Piriqueta caroliniana (2)
Pisonia brunoniana (7)
Pisonia capitata (1)
Pisonia flavescens (2)
Pisonia tahitensis (3)
Pistacia chinensis (4)
Pistacia lentiscus (10)
Pistacia terebinthus (1)
Pistacia vera (3)
Pistia stratiotes (3)
Pisum sativum (5)
Pisum sativum var. macrocarpon (2)
Pitcairnia caerulea (6)
Pithecellobium dulce (1)
Pithecellobium keyense (1)
Pithecellobium unguis-cati (3)
Pithecoctenium cynanchoides (1)
Pittosporum brevicalyx (1)
Pittosporum crassifolium (9)
Pittosporum erioloma (1)
Pittosporum eugenioides (2)
Pittosporum ferrugineum (1)
Pittosporum illicoides (1)
Pittosporum sp. (4)
Pittosporum taitense (1)
Pittosporum tobira (16)
Pittosporum undulatum (7)
Pitygramma calomelanos (1)
Pityopsis graminifolia (1)
Pityopsis graminifolia var. graminifolia (3)
Pityopsis graminifolia var. latifolia (3)
Pityopus californica (1)
Pityopus californicus (2)
Pityrogramma calomelanos (9)
Pityrogramma triangularis (1)
Plagibothrys sp. (4)
Plagiobothrys (1)
Plagiobothrys acanthocarpus (18)
Plagiobothrys arizonicus (17)
Plagiobothrys austiniae (9)
Plagiobothrys bracteatus (15)
Plagiobothrys canescens (27)
Plagiobothrys chorisianus var. chorisianus (21)
Plagiobothrys chorisianus var. hickmanii (9)
Plagiobothrys chorisianus var. nickmanii (1)
Plagiobothrys cognatus (7)
Plagiobothrys collinus (1)
Plagiobothrys collinus var. californicus (4)
Plagiobothrys collinus var. fulvescens (7)
Plagiobothrys cusickii (4)
Plagiobothrys diffusus (8)
Plagiobothrys distantiflorus (7)
Plagiobothrys figuratus (1)
Plagiobothrys figuratus ssp. corallicarpus (4)
Plagiobothrys fulvus (2)
Plagiobothrys glaber (6)
Plagiobothrys glyptocarpus (4)
Plagiobothrys glyptocarpus var. glyptocarpus (8)
Plagiobothrys greenei (12)
Plagiobothrys hirtus (5)
Plagiobothrys hispidulus (10)
Plagiobothrys hispidus (24)
Plagiobothrys humistratus (16)
Plagiobothrys hystriculus (8)
Plagiobothrys infectivus (7)
Plagiobothrys jonesii (7)
Plagiobothrys kingii (4)
Plagiobothrys kingii var. harknessii (7)
Plagiobothrys leptocladus (13)
Plagiobothrys lithocaryus (5)
Plagiobothrys mollis var. mollis (11)
Plagiobothrys myosotoides (4)
Plagiobothrys nitens (8)
Plagiobothrys nothofulvus (58)
Plagiobothrys parishii (21)
Plagiobothrys reticulatus (2)
Plagiobothrys reticulatus var. reticulatus (2)
Plagiobothrys reticulatus var. rossianorum (6)
Plagiobothrys salsus (10)
Plagiobothrys scouleri (1)
Plagiobothrys scouleri var. penicillatus (3)
Plagiobothrys scriptus (8)
Plagiobothrys shastensis (17)
Plagiobothrys sp. (14)
Plagiobothrys stipitatus (2)
Plagiobothrys stipitatus var. micranthus (16)
Plagiobothrys stipitatus var. stipitatus (8)
Plagiobothrys strictus (4)
Plagiobothrys tenellus (25)
Plagiobothrys tener (2)
Plagiobothrys tener var. subglaber (7)
Plagiobothrys tener var. tener (8)
Plagiobothrys torreyi (7)
Plagiobothrys torreyi var. diffusus (5)
Plagiobothrys torreyi var. torreyi (6)
Plagiobothrys trachycarpus (6)
Plagiobothrys uncinatus (9)
Plagiobothrys undulatus (20)
Plagiochelius tanacetoides (1)
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 (6)
Plagiothecium undulatum (2)
Plagirhegma dubia (12)
Plantago afra (6)
Plantago altissima (4)
Plantago coronopus (31)
Plantago elongata (12)
Plantago erecta (48)
Plantago eriopoda (4)
Plantago fernandezia (1)
Plantago hawaiensis (8)
Plantago holosteum (4)
Plantago indica (1)
Plantago lagopus (6)
Plantago lanceolata (37)
Plantago lanceolata var. lanceolata (17)
Plantago major (24)
Plantago maritima (29)
Plantago maritima var. juncoides (5)
Plantago media (9)
Plantago ovata (42)
Plantago patagonica (12)
Plantago psyllium (6)
Plantago purshii (1)
Plantago serraria (8)
Plantago sp. (5)
Plantago subnuda (19)
Plantago truncata ssp. firma (1)
Plantanthera dilatata var. leucostachys (2)
Plantanthera sparsiflora (1)
Platanthera aquilonis (4)
Platanthera bifolia (4)
Platanthera blephariglottis (4)
Platanthera blephariglottis var. blephariglottis (6)
Platanthera brevifolia (2)
Platanthera chlorantha (1)
Platanthera clavellata (3)
Platanthera dilatata (14)
Platanthera dilatata var. leucostachys (29)
Platanthera grandiflora (6)
Platanthera hyperborea (3)
Platanthera hyperborea var. hyperborea (5)
Platanthera lacera (3)
Platanthera leucostachys (84)
Platanthera orbiculata (8)
Platanthera shriveri (4)
Platanthera sp. (2)
Platanthera sparsiflora (62)
Platanthera sparsiflora var. ensifolia (5)
Platanthera stricta (20)
Platanthera unalascenis (2)
Platanthera yosemitensis (14)
Platanus mexicana (2)
Platanus occidentalis (4)
Platanus racemosa (77)
Platanus wrightii (5)
Platanus X hispanica (4)
Platoma abbottianum (14)
Platycerium bifurcatum (2)
Platycerium coronarium (1)
Platycladus orientalis (2)
Platycodon grandiflorum (2)
Platycodon grandiflorum ssp. mariesii var. album (2)
Platycodon grandiflorus (3)
Platydesma spathulata (4)
Platystemon californicum (3)
Platystemon californicus (118)
Plecostachys serpyllifolia (2)
Plectocephalus rothrockii (2)
Plectranthus (1)
Plectranthus amboinicus (2)
Plectranthus australis (1)
Plectranthus scutellarioides (1)
Plectranthus sp. (2)
Plectritis brachystemon (7)
Plectritis ciliosa (11)
Plectritis ciliosa ssp. ciliosa (10)
Plectritis ciliosa ssp. insignis (7)
Plectritis congesta (14)
Plectritis congesta ssp. brachystemon (4)
Plectritis congesta ssp. congesta (1)
Plectritis macrocera (38)
Plectritis macrocera ssp. grayi (2)
Plectritis sp. (4)
Pleiacanthus spinosa (6)
Pleiacanthus spinosus (21)
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)
Pleomele aurea (2)
Pleomele hawaiiensis (8)
Pleonosporium complanatum (1)
Pleopeltis appressa (1)
Pleopeltis macrocarpa (1)
Pleopeltis repanda (1)
Pleopeltis thyssanolepis (5)
Pleopeltis x melanoneuron (1)
Plesioneuron attenuatum (7)
Plesioneuron sp. (8)
Pleuraphis jamesii (12)
Pleuraphis rigida (37)
Pleuricospora fimbriolata (46)
Pleuridium acuminatum (4)
Pleuridium mexicanum (3)
Pleuridium subulatum (3)
Pleuridium subulatum/acuminatum (1)
Pleurocornis pluriseta (1)
Pleurocoronis pluriseta (37)
Pleuropogon californicus (18)
Pleuropogon californicus var. californicus (3)
Pleuropogon hooverianus (19)
Pleuropogon refractus (11)
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)
Plocamium cartilagineum (1)
Pluchea carolinensis (1)
Pluchea odorata (12)
Pluchea rosea (1)
Pluchea sericea (38)
Plumbago ariculata (2)
Plumbago auriculata (5)
Plumbago capensis (4)
Plumbago europaea (8)
Plumbago scandens (1)
Plumbago sp. (1)
Plumeria obtusa (9)
Plumeria obtusa var. obtusa (1)
Plumeria pudica (1)
Plumeria rubra (8)
Pneumatopteris glandulifera (1)
Pneumatopteris mesocarpa (24)
Pneumatopteris pendens (3)
Pneumatopteris sandwicensis (7)
Poa alpina (2)
Poa alpina ssp. vivipara (2)
Poa annua (25)
Poa atropurpurea (21)
Poa bulbosa (21)
Poa compressa (4)
Poa confinis (3)
Poa cusickii ssp. epilis (1)
Poa cusickii var. cusickii (1)
Poa douglasii (8)
Poa fendleriana (1)
Poa fendleriana ssp. longiligula (7)
|
Poa - Pyxidanthera
Poa flabellata (4)
Poa howellii (3)
Poa leptocoma (5)
Poa palustris (2)
Poa pratensis (8)
Poa pratensis ssp. agassizensis (1)
Poa scabrella (3)
Poa secunda (6)
Poa secunda ssp. juncifolia (3)
Poa secunda ssp. secunda (24)
Poa sierrae (23)
Poa stebbinsii (3)
Poa trivialis (1)
Poa unilateralis (4)
Poa wheeleri (7)
Podachaenium chiapanum (2)
Podistera nevadensis (17)
Podocarpus chinensis (2)
Podocarpus coriaceus (1)
Podocarpus elongatus (1)
Podocarpus falcatus (5)
Podocarpus gracilior (2)
Podocarpus henkelii (2)
Podocarpus latifolius (9)
Podocarpus macrophyllus (7)
Podocarpus matudiae (1)
Podocarpus salignus (1)
Podophyllum hexandrum (5)
Podophyllum peltatum (22)
Podostemum ceratophyllum (1)
Podranea ricasoliana (3)
Pogogyne abramsii (31)
Pogogyne clareana (7)
Pogogyne douglasii (18)
Pogogyne douglasii ssp. parviflora (1)
Pogogyne douglassii (2)
Pogogyne floribunda (16)
Pogogyne nudiuscula (10)
Pogogyne serpylloides (18)
Pogogyne zizyphoroides (16)
Pogonatum contortum (2)
Pogonia ophioglossoides (7)
Pohlia bolanderi (1)
Pohlia cruda (5)
Pohlia longibracteata (2)
Pohlia obtusifolia (1)
Pohlia robertsonii (1)
Poinsettia cyathophora (1)
Polanisia dodecandra ssp. trachysperma (15)
Polemonium acutiflorum (2)
Polemonium caeruleum (1)
Polemonium californicum (26)
Polemonium carneum (8)
Polemonium chartaceum (18)
Polemonium confertum (2)
Polemonium elegans (1)
Polemonium eximium (25)
Polemonium foliosissimum var. alpinum (3)
Polemonium micranthum (11)
Polemonium occidentale (31)
Polemonium occidentale ssp. occidentale (19)
Polemonium pulcherrimum (20)
Polemonium pulcherrimum ssp. pulcherrimum (12)
Polemonium pulcherrimum var. pilosum (9)
Polemonium pulcherrimum var. pulcherrimum (11)
Polemonium reptans (11)
Polemonium sp. (1)
Polemonium vanbruntiae (7)
Polemonium viscosum (11)
Polianthes tuberosa (1)
Polybotrya speciosa (1)
Polycarpon depressum (7)
Polycarpon tetraphyllum (18)
Polycarpon tetraphyllum var. tetraphyllum (8)
Polyctenium fremontii (8)
Polyctenium fremontii var. confertum (1)
Polyctenium williamsiae (7)
Polygala acanthoclada (32)
Polygala alba (8)
Polygala alpestris (4)
Polygala amarella (2)
Polygala amphothrix (5)
Polygala balduinii (3)
Polygala california (1)
Polygala californica (33)
Polygala chamaebuxus (6)
Polygala comosa (3)
Polygala cornuta (8)
Polygala cornuta var. cornuta (17)
Polygala cornuta var. fishiae (12)
Polygala glochidiata (5)
Polygala heterorhyncha (6)
Polygala intermontana (1)
Polygala lutea (2)
Polygala macradenia var. macradenia (10)
Polygala monspeliaca (3)
Polygala myrtifolia (4)
Polygala nana (1)
Polygala nicaeensis ssp. forojulensis (3)
Polygala obscura var. puberula (4)
Polygala paniculata (1)
Polygala paucifolia (7)
Polygala rusbyi (5)
Polygala sanguinea (5)
Polygala senega (4)
Polygala sinaloae (4)
Polygala subspinosa (11)
Polygala verticillata (1)
Polygala virgata (1)
Polygonatum biflorum (8)
Polygonatum multiflorum (9)
Polygonatum odoratum (6)
Polygonatum pubescens (7)
Polygonatum verticillatum (6)
Polygonella articulata (9)
Polygonum amphibium (11)
Polygonum amphibium var. emersum (7)
Polygonum amphibium var. stipulaceum (16)
Polygonum arenastrum (15)
Polygonum argyrocoleon (6)
Polygonum aviculare (15)
Polygonum aviculare ssp. aviculare (4)
Polygonum aviculare ssp. depressum (12)
Polygonum aviculare ssp. rurivagum (1)
Polygonum bidwelliae (18)
Polygonum bistorta (11)
Polygonum bistortoides (35)
Polygonum bolanderi (11)
Polygonum californicum (16)
Polygonum cilinode (8)
Polygonum coccineum (1)
Polygonum convolvulus (7)
Polygonum convolvulus var. convolvulus (2)
Polygonum cuspidatum (18)
Polygonum davisae (4)
Polygonum davisiae (33)
Polygonum douglasii (12)
Polygonum douglasii ssp. douglasii (9)
Polygonum douglasii ssp. johnstonii (2)
Polygonum douglasii ssp. majus (6)
Polygonum douglasii ssp. spergulariiforme (4)
Polygonum hickmanii (3)
Polygonum hydropiper (5)
Polygonum hydropiperoides (9)
Polygonum lapathifolium (18)
Polygonum marinense (2)
Polygonum minimum (18)
Polygonum mite (6)
Polygonum multiflorum (5)
Polygonum newberryi (5)
Polygonum newberryi var. newberryi (3)
Polygonum orientale (2)
Polygonum oxyspermum (2)
Polygonum paronychia (36)
Polygonum parryi (1)
Polygonum patulum (7)
Polygonum pensylvanicum (3)
Polygonum persicaria (10)
Polygonum phytolaccifolium (23)
Polygonum polygaloides (10)
Polygonum polygaloides ssp. confertiflorum (4)
Polygonum polygaloides ssp. esotericum (3)
Polygonum polygaloides ssp. kelloggii (15)
Polygonum polystachyum (3)
Polygonum punctatum (5)
Polygonum sachalinense (5)
Polygonum sagittatum (3)
Polygonum sawatchense ssp. oblivium (1)
Polygonum sawatchense ssp. sawatchense (2)
Polygonum shastense (42)
Polygonum sp. (7)
Polygonum spectabile (1)
Polygonum viviparum (6)
Polylepis sp. (4)
Polymnia canadensis (2)
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 (26)
Polypodium calirhiza (16)
Polypodium cambricum (4)
Polypodium clemensiae (1)
Polypodium concolorum (1)
Polypodium glycyrrhiza (13)
Polypodium hesperium (2)
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 (17)
Polypodium sp. (3)
Polypodium vacillans (1)
Polypodium virginianum (11)
Polypodium vulgare (7)
Polypogon australis (3)
Polypogon elongatus (4)
Polypogon interruptus (3)
Polypogon maritimus (11)
Polypogon monspeliensis (48)
Polypogon monspleliensis (2)
Polypogon viridis (7)
Polyscias cumingiana (2)
Polyscias fruticosa (1)
Polyscias guilfoylei (1)
Polyscias scutellaria (1)
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 (13)
Polystichum andersonii (4)
Polystichum braunii (9)
Polystichum californicum (8)
Polystichum dudleyi (2)
Polystichum imbricans (7)
Polystichum imbricans ssp. curtum (4)
Polystichum imbricans ssp. imbricans (7)
Polystichum kruckebergii (10)
Polystichum lemmonii (14)
Polystichum lonchitis (16)
Polystichum mexiae (1)
Polystichum munitum (45)
Polystichum pilosum (1)
Polystichum pygmaeum (1)
Polystichum scopulinum (12)
Polystichum setiferum (4)
Polystichum sp. (2)
Polystichum transvaalense (1)
Polytrichum commune (6)
Polytrichum juniperinum (8)
Polytrichum juniperinum var. gracilius (8)
Polytrichum piliferum (3)
Polytrichum sp. (11)
Pometia pinnata (1)
Pontederia cordata (19)
Pontederia sp. (1)
Populus acuminata (1)
Populus alba (18)
Populus angustifolia (43)
Populus balsamifera (9)
Populus balsamifera ssp. trichocarpa (23)
Populus deltoides (7)
Populus fremontii (29)
Populus fremontii fremontii (1)
Populus fremontii ssp. fremontii (60)
Populus grandidentata (12)
Populus simonii (2)
Populus songarica (3)
Populus sp. (5)
Populus tremula (14)
Populus tremuloides (132)
Populus trichocarpa (21)
Populus x canescens (2)
Populus x hinckleyana (5)
Porella bolanderi (19)
Porella cordaeana (2)
Porella navicularis (1)
Porella roellii (2)
Porlieria microphylla (1)
Porophyllum gracile (50)
Porophyllum pinifolium (4)
Porophyllum ruderale var. macrocephalum (4)
Porotrichum bigelovii (3)
Porphyra nereocystis (1)
Porphyra perforata (1)
Porphyrostachys pilifera (4)
Porroglossum meridionale (1)
Porroglossum muscosum (1)
Porteranthus trifoliatus (2)
Porterella carnosula (30)
Portulaca grandiflora (2)
Portulaca halimoides (24)
Portulaca oleracea (27)
Portulaca oleracea 'Giganthes' (1)
Portulaca oleracea 'Giganthes' (white) (1)
Portulaca oleracea ssp. impolita (11)
Portulaca parvula (1)
Portulaca sclerocarpa (8)
Portulaca umbraticola (1)
Posidonia oceanica (7)
Postelsia palmaeformis (19)
Potamogeton amplifolius (3)
Potamogeton crispus (2)
Potamogeton epihydrus (3)
Potamogeton epihydrus ssp. nuttallii (4)
Potamogeton foliosus var. foliosus (3)
Potamogeton illinoensis (1)
Potamogeton natans (16)
Potamogeton nodosus (6)
Potamogeton praelongus (8)
Potamogeton pusillus (2)
Potamogeton pusillus var. pusillus (2)
Potamogeton robbinsii (1)
Potamogeton sp. (6)
Potentilla alba (3)
Potentilla albiflora (2)
Potentilla anserina (16)
Potentilla anserina ssp. anserina (3)
Potentilla anserina ssp. pacifica (31)
Potentilla argentea (8)
Potentilla atrosanguinea (4)
Potentilla aurea (2)
Potentilla basaltica (8)
Potentilla biennis (2)
Potentilla caulescens (6)
Potentilla cinerea (4)
Potentilla clusiana (8)
Potentilla cottamii (1)
Potentilla crantzii (4)
Potentilla cristae (17)
Potentilla discolor (2)
Potentilla diversifolia var. diversifolia (4)
Potentilla drummondii (7)
Potentilla drummondii ssp. breweri (32)
Potentilla drummondii ssp. bruceae (5)
Potentilla drummondii ssp. drummondii (4)
Potentilla egedii (2)
Potentilla emarginata (1)
Potentilla erecta (5)
Potentilla flabellifolia (32)
Potentilla fruticosa (21)
Potentilla furcata (1)
Potentilla glandulosa (27)
Potentilla glandulosa ssp. ashlandica (7)
Potentilla glandulosa ssp. ewanii (10)
Potentilla glandulosa ssp. glandulosa (5)
Potentilla glandulosa ssp. hansenii (4)
Potentilla glandulosa ssp. nevadensis (15)
Potentilla glandulosa ssp. pseudorupestris (10)
Potentilla glandulosa ssp. reflexa (3)
Potentilla gracilis (22)
Potentilla gracilis var. brunnescens (3)
Potentilla gracilis var. elmeri (1)
Potentilla gracilis var. fastigiata (33)
Potentilla gracilis var. flabelliformis (4)
Potentilla gracilis var. gracilis (2)
Potentilla grayi (6)
Potentilla heptaphylla (4)
Potentilla hickmanii (15)
Potentilla hippiana (3)
Potentilla hyparctica (2)
Potentilla jepsonii (10)
Potentilla millefolia (18)
Potentilla millefolia var. klamathensis (6)
Potentilla modesta (1)
Potentilla morefieldii (10)
Potentilla newberryi (5)
Potentilla nitida (12)
Potentilla nivea (2)
Potentilla nivea ssp. fallax (1)
Potentilla norvegica (9)
Potentilla palustris (25)
Potentilla pectinisecta (7)
Potentilla pensylvanica (8)
Potentilla pensylvanica var. strigosa (1)
Potentilla pseudosericea (10)
Potentilla pulchella (1)
Potentilla recta (4)
Potentilla reptans (15)
Potentilla rimicola (2)
Potentilla rimicola var. rimicola (1)
Potentilla rivalis (4)
Potentilla rupestris (3)
Potentilla sp. (5)
Potentilla sterilis (6)
Potentilla supina (1)
Potentilla wheeleri (6)
Potentilla zimmeteri (5)
Poterium sanguisorba (5)
Pouteria caimito (3)
Pouteria campechiana (3)
Pouteria grayana (8)
Pouteria sapota (4)
Prasium majus (7)
Pratia repens (1)
Predaea laciniosa (39)
Preissia quadrata (13)
Premna serratifolia (2)
Prenanthella exigua (6)
Prenanthes alata (2)
Prenanthes alba (3)
Prenanthes altissima (10)
Prenanthes trifoliata (5)
Primula acaulis (17)
Primula albenensis (1)
Primula allionii ssp. agnes (2)
Primula allionii ssp. grandiflora (1)
Primula amethystina (1)
Primula angustifolia (4)
Primula aureata (1)
Primula aureata ssp. netta dennis (2)
Primula auricula (28)
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 columnea (7)
Primula darialica (1)
Primula denticulata (5)
Primula drummondiana (3)
Primula dryadifolia ssp. congestifolia (1)
Primula edgeworthii ssp. alba (1)
Primula elatior (9)
Primula eximia (2)
Primula farinosa (4)
Primula forbesii (2)
Primula gaubeana (1)
Primula halleri (8)
Primula hirsuta (1)
Primula integrifolia (2)
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 minima (11)
Primula minkwitziae (1)
Primula mistassinica (2)
Primula nutans (1)
Primula parryi (11)
Primula patens (40)
Primula polyantha (5)
Primula primulina (1)
Primula pulcra (1)
Primula redolens (1)
Primula reinei ssp. kitakadensis (1)
Primula renifolia (1)
Primula rusbyi (1)
Primula scotica (2)
Primula sonchifolia (2)
Primula sp. (12)
Primula suffrutescens (50)
Primula veris (17)
Primula villosa (10)
Primula voronovi (1)
Primula vulgaris (13)
Primula wulfeniana (12)
Primula X elatior (1)
Primula x pubescens (1)
Primula x venusta (1)
Primula x_venusta (9)
Prionitis albemarlensis (1)
Prionitis galapagensis (1)
Prionitis hancockii (1)
Prionitis lanceolata (2)
Prionitis linearis (1)
Prionium serratum (1)
Prionosciadium townsendii (2)
Pritchardia beccariana (5)
Pritchardia minor (4)
Pritzelago alpina (5)
Proboscidea althaeifolia (44)
Proboscidea gracillima (1)
Proboscidea louisianica (2)
Proboscidea louisianica ssp. louisianica (6)
Proboscidea lutea (17)
Proboscidea parviflora (7)
Proboscidea sabulosa (1)
Proboscidea sp. (2)
Proboscidea triloba ssp. diversifolia (1)
Procris pedunculata var. Pedunculata (3)
Procyon lotor (5)
Proiphys amboinensis (1)
Promenea meadowgold (2)
Pronephrium simplex (2)
Prosaptia contigua (6)
Prosaptia pubipes (1)
Prosaptia rosenstockii (1)
Prosaptia subnuda (20)
Prosartes hookeri (49)
Prosartes hookeri var. oregana (1)
Prosartes parvifolia (5)
Prosartes parvifolia. (1)
Prosartes smithii (11)
Prosopis chilensis (2)
Prosopis glandulosa (6)
Prosopis glandulosa var. torreyana (35)
Prosopis juliflora (2)
Prosopis juliflora var. glandulosa (3)
Prosopis pubescens (17)
Prosopis sp. (5)
Prosopis strombulifera (1)
Prosopis velutina (6)
Prospero autumnale (3)
Prospero elisae (5)
Prostechea cochleata (2)
Prosthechea grammatoglossa (4)
Protea cynaroides (5)
Protea magnifica (1)
Protea neriifolia (6)
Protea roupelliae (17)
Protea scolymocephala (2)
Protea sp. (1)
Prunella grandiflora (6)
Prunella laciniata (6)
Prunella vulgaris (43)
Prunella vulgaris ssp. lanceolata (2)
Prunella vulgaris var. lanceolata (32)
Prunella vulgaris var. vulgaris (4)
Prunus andersonii (55)
Prunus armeniaca (7)
Prunus avium (11)
Prunus caroliniana (2)
Prunus cerasifera (6)
Prunus cerasifera var. pissardii (1)
Prunus cerasoides (2)
Prunus cerasus (3)
Prunus cistena (4)
Prunus demissa (1)
Prunus domestica (10)
Prunus dulcis (12)
Prunus dulcis var. dulcis (1)
Prunus emarginata (51)
Prunus eremophila (11)
Prunus fasciculata (13)
Prunus fasciculata var. fasciculata (16)
Prunus fasciculata var. punctata (8)
Prunus fasiculata var. punctata (1)
Prunus fremontii (40)
Prunus hintonii (1)
Prunus ilicifolia (38)
Prunus ilicifolia ssp. ilicifolia (28)
Prunus ilicifolia ssp. lyonii (5)
Prunus illicifolia ssp. lyonii (1)
Prunus laurocerasus (3)
Prunus lusitanica (2)
Prunus mahaleb (3)
Prunus minutiflora (1)
Prunus mume (1)
Prunus nipponica (2)
Prunus padus (1)
Prunus pennsylvanica (9)
Prunus persica (2)
Prunus pumila var. depressa (7)
Prunus salicina (29)
Prunus serotina (14)
Prunus serrulata (1)
Prunus sp. (3)
Prunus spinosa (11)
Prunus subcordata (19)
Prunus subhirtella (1)
Prunus tenella (4)
Prunus tomentosa (12)
Prunus triloba (8)
Prunus virginiana (19)
Prunus virginiana var. demissa (37)
Prunus virginiana var. melanocarpa (11)
Prunus virginiana var. virginiana (1)
Psathyrotes annua (21)
Psathyrotes pilifera (6)
Psathyrotes ramosissima (67)
Psathyrotes sp. (1)
Pseudelephantopus spicatus (1)
Pseudelphantopus spicatus (2)
Pseudephebe pubescens (1)
Pseuderanthemum carruthersii var. atropurpureum (1)
Pseuderanthemum carruthersii var. carruthersii (1)
Pseudobahia bahiifolia (18)
Pseudobahia heermannii (16)
Pseudobahia peirsonii (21)
Pseudobombax ellipticum (3)
Pseudobraunia californica (1)
Pseudocalliergon trifarium (1)
Pseudocalymma alliacea (1)
Pseudofumaria alba (6)
Pseudognaphalium beneolens (9)
Pseudognaphalium bicolor (3)
Pseudognaphalium biolettii (4)
Pseudognaphalium californicum (19)
Pseudognaphalium californicum x stramineum (3)
Pseudognaphalium canescens (15)
Pseudognaphalium canescens ssp. microcephalum (4)
Pseudognaphalium leucocephalum (3)
Pseudognaphalium luteoalbum (16)
Pseudognaphalium macounii (7)
Pseudognaphalium microcephalum (2)
Pseudognaphalium ramosissimum (14)
Pseudognaphalium sp. (3)
Pseudognaphalium stramineum (21)
Pseudognaphalium thermale (9)
Pseudolachnostylis maprouneifolia (3)
Pseudolaingia hancockii (1)
Pseudoleskeela serpentinensis (8)
Pseudoleskeella serpentinensis (2)
Pseudolithos migiurtinus (4)
Pseudolysimachion barrelieri ssp. barrelieri (6)
Pseudophegopteris keraudreniana (6)
Pseudorchis albida (3)
Pseudoroegneria spicata (2)
Pseudoroegneria spicata ssp. spicata (11)
Pseudostellaria jamesiana (19)
Pseudostellaria sierrae (17)
Pseudotrillium rivale (3)
Pseudotsuga macrocarpa (22)
Pseudotsuga menziesii (34)
Pseudotsuga menziesii var. glauca (19)
Pseudotsuga menziesii var. menziesii (48)
Psidium cattleianum (2)
Psidium guajava (2)
Psidium guineense (1)
Psilocarphus brevissimus (4)
Psilocarphus brevissimus var. brevissimus (35)
Psilocarphus chilensis (3)
Psilocarphus elatior (1)
Psilocarphus oregonus (7)
Psilocarphus sp. (1)
Psilocarphus tenellus (11)
Psilocarphus tenellus var. globiferus (4)
Psilocarphus tenellus var. tenellus (10)
Psilocarpus tenellus ssp. tenellus (1)
Psilostrophe cooperi (60)
Psilotum complanatum (21)
Psilotum nudum (10)
Psoralea bituminosa (8)
Psoralea macrostachya (1)
Psoralidium lanceolatum (4)
Psorothamnus arborescens (12)
Psorothamnus arborescens var. arborescens (20)
Psorothamnus arborescens var. minutifolius (36)
Psorothamnus arborescens var. simplicifolius (2)
Psorothamnus emoryi (51)
Psorothamnus fremontii (21)
Psorothamnus fremontii var. attenuatus (1)
Psorothamnus fremontii var. fremontii (16)
Psorothamnus polydenius (45)
Psorothamnus schottii (50)
Psorothamnus sp. (1)
Psorothamnus spinosus (67)
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)
Psydrax odoratum (7)
Psygmorchis pusilla (1)
Ptelea crenulata (29)
Ptelea trifoliata (10)
Pteridium aquilinum (45)
Pteridium aquilinum var. decompositum (3)
Pteridium aquilinum var. latiusculum (1)
Pteridium aquilinum var. pubescens (18)
Pterigynandrum filiforme (12)
Pteris boliviensis (1)
Pteris cretica (6)
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 tripartita (6)
Pteris venezuelensis (1)
Pteris websteri (1)
Pterocactus valentinii (2)
Pterocarya (1)
Pterocarya stenoptera (1)
Pterocaulon pycnostachyum (2)
Pterocladiella capillacea (1)
Pterogonium gracile (4)
Pterogophora californica (1)
Pterosiphonia paucicorticata (1)
Pterospora andromedea (119)
Pterostegia drymarioides (45)
Pterygophora californica (6)
Pteryxia petraea (4)
Pteryxia terebinthina var. californica (2)
Pteryxia terebinthina var. terebinthina (1)
Ptilagrostis kingii (15)
Ptilidium californicum (6)
Ptilium crista-castrensis (2)
Ptilotus exaltatus (3)
Ptisana salicina (12)
Ptychomitrium gardneri (3)
Ptychosperma elegans (1)
Puccinellia distans (7)
Puccinellia howellii (8)
Puccinellia lemmonii (5)
Puccinellia nuttalliana (10)
Puccinellia simplex (8)
Pueraria lobata (12)
Pueraria montana (4)
Pueraria phaseoloides (1)
Pulicaria odora (4)
Pulicaria paludosa (4)
Pulmonaria australis (3)
Pulmonaria obscura (1)
Pulmonaria officinalis (3)
Pulmonaria sp. (2)
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 (32)
Pulsatilla patens (22)
Pulsatilla patens ssp. multifida (4)
Pulsatilla slavica (1)
Pulsatilla vernalis (1)
Pulsatilla vulgaris (31)
Punica granatum (24)
Punica granatum var. nana (1)
Purshia glandulosa (13)
Purshia mexicana (4)
Purshia mexicana var. stansburyana (35)
Purshia stansburiana (15)
Purshia stansburyana (5)
Purshia subintegra (4)
Purshia tridentata (39)
Purshia tridentata var. glandulosa (15)
Purshia tridentata var. tridentata (22)
Puya alpestris (3)
Puya berteroana (4)
Puya coerulea var. violacea (1)
Puya laxa (1)
Puya sp. (2)
Puya spathacea (1)
Puya venusta (2)
Pycnanthemum californicum (10)
Pycnanthemum virginianum (6)
Pygmaeocereus bylesianus (4)
Pyracantha angustifolia (7)
Pyracantha coccinea (12)
Pyracantha crenatiserrata (1)
Pyracantha koidzumii (1)
Pyrethrum leontopodium (4)
Pyrola aphylla (1)
Pyrola asarifolia (13)
Pyrola asarifolia ssp. asarifolia (33)
Pyrola chlorantha (1)
Pyrola elliptica (16)
Pyrola grandiflora (3)
Pyrola minor (17)
Pyrola picta (75)
Pyrola rotundifolia (6)
Pyrola secunda (3)
Pyrola sp. (3)
Pyrostegia venusta (2)
Pyrrhopappus pauciflorus (4)
Pyrrhopappus rothrockii (6)
Pyrrocoma apargioides (40)
Pyrrocoma carthamoides var. cusickii (1)
Pyrrocoma crocea (4)
Pyrrocoma lanceolata (7)
Pyrrocoma lucida (9)
Pyrrocoma racemosa (1)
Pyrrocoma racemosa var. congesta (5)
Pyrrocoma racemosa var. paniculata (22)
Pyrrocoma racemosa var. sessiliflora (6)
Pyrrocoma sp. (6)
Pyrrocoma uniflora var. gossypina (13)
Pyrrocoma uniflora var. uniflora (7)
Pyrrosia drakeana (2)
Pyrrosia lingua (1)
Pyrrosia serpens (7)
Pyrus amygdaliformis (9)
Pyrus betulifolia (5)
Pyrus calleryana (19)
Pyrus communis (5)
Pyrus cordata (5)
Pyrus melanocarpa (1)
Pyrus pyraster (6)
Pyrus sp. (4)
Pyrus ussuriensis (15)
Pyxidanthera barbulata (1)
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