| Pachycereus - Phacelia
Pachycereus pringlei (23)
Pachycereus schottii (3)
Pachycereus sp. (2)
Pachycormus discolor (6)
Pachymenia saxicola (1)
Pachyphytum kimnachii (1)
Pachypleuria pectinata (2)
Pachypodium baronii var. windsori (1)
Pachypodium bispinosum (1)
Pachypodium lamerei (8)
Pachypodium rosalatum var. gracilius (4)
Pachypodium rosulatum var. gracilis (3)
Pachysandra sp. (1)
Pachysandra terminalis (9)
Pachystegia insignis (7)
Pachystima myrsinites (3)
Packera bernardina (17)
Packera bolanderi var. bolanderi (7)
Packera breweri (3)
Packera cana (3)
Packera cymbalarioides (4)
Packera eurycephala (7)
Packera eurycephala var. lewisrosei (2)
Packera fendleri (1)
Packera greenei (16)
Packera ionophylla (41)
Packera layneae (24)
Packera macounii (6)
Packera multilobata (6)
Packera pauciflora (6)
Packera streptanthifolia (25)
Packera subnuda (6)
Packera werneriifolia (1)
Padina gymnospora (1)
Padina japonica (1)
Padus racemosa (1)
Paederota bonarota (4)
Paederota lutea (5)
Paeonia brownii (35)
Paeonia californica (42)
Paeonia cambessedesii (1)
Paeonia lactiflora (5)
Paeonia mascula ssp. russii (4)
Paeonia officinalis (11)
Paeonia suffruticosa (3)
Paepalanthus sp. (3)
Palafoxia arida (11)
Palafoxia arida ssp. arida (3)
Palafoxia arida var. arida (30)
Palafoxia arida var. gigantea (1)
Paliurus spina-christi (4)
Pallenis spinosa (9)
Panax quinquefoilum (2)
Panax quinquefolius (2)
Panax trifolius (12)
Pancratium canariense (1)
Pandanus sp. (2)
Pandorea jasminoides (2)
Panicum acuminatum (2)
Panicum acuminatum var. acuminatum (6)
Panicum antidotale (6)
Panicum capillare (11)
Panicum dichotomiflorum (3)
Panicum urvilleanum (7)
Pantoneura plocamioides (1)
Papaver alpinum ssp. ernesti-mayeri (8)
Papaver alpinum ssp. rhaeticum (3)
Papaver amurense (2)
Papaver argemone (1)
Papaver californicum (12)
Papaver californicus (1)
Papaver dahlianum (1)
Papaver hybridum (9)
Papaver nudicaule (3)
Papaver orientale (6)
Papaver rhoeas (21)
Papaver somniferum (8)
Papaver sp. (4)
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)
Parapholis incurva (3)
Paraquilegia caespitosa (1)
Parentucellia latifolia (3)
Parentucellia latifolia ssp. albiflora (1)
Parentucellia viscosa (25)
Parietaria diffusa (9)
Parietaria hespera (5)
Parietaria hespera var. californica (1)
Parietaria hespera var. hespera (3)
Parietaria judaica (10)
Parietaria pensylvanica (1)
Parinari littoralis (16)
Paris quadrifolia (4)
Parkinsonia aculeata (6)
Parkinsonia florida (17)
Parkinsonia microphylla (3)
Parkinsonia sp. (1)
Parnassia californica (40)
Parnassia cirrata (2)
Parnassia cirrata var. intermedia (9)
Parnassia fimbriata (13)
Parnassia palustris (16)
Parnassia palustris var. parviflora (1)
Parnassia sp. (1)
Parodia dextrohamata (7)
Parodia dichroacantha (1)
Parodia faustiana (4)
Parodia maassii (6)
Parodia microsperma (3)
Parodia nivosa (1)
Parodia schumanniana (1)
Parodia sellowii (2)
Parodia stuemeri (1)
Parodia tafiensis (2)
Parodia tilcarensis (1)
Parodiolyra micrantha (9)
Paronychia ahartii (7)
Paronychia sessiliflora (1)
Parryella filifolia (2)
Parthenocissus (1)
Parthenocissus quinquefolia (11)
Parthenocissus tricuspidata (2)
Parthenocissus vitacea (2)
Parvisedum pentandrum (2)
Parvisedum pumilum (20)
Pascopyrum smithii (2)
Paspalum dilatatum (15)
Paspalum distichum (4)
Paspalum notatum (2)
Paspalum paspaloides (7)
Paspalum urvillei (7)
Passiflora alata (15)
Passiflora caerulea (4)
Passiflora colinvauxii (1)
Passiflora contracta (13)
Passiflora edulis (3)
Passiflora foetida (22)
Passiflora foetida var. galapagensi (1)
Passiflora galbana (7)
Passiflora huamachucoensis (1)
Passiflora incarnata (3)
Passiflora sp. (3)
Passiflora suberosa (2)
Passiflora tripartita var. mollissima (2)
Passiflora vitifolia (1)
Passiflora x 'coral glow' (4)
Pastinaca sativa (8)
Paulownia tomentosa (7)
Pavonia aurigloba (1)
Paxistima myrsinites (6)
Pearcea hypocyrtiflora (3)
Pecluma alfredii (2)
Pectis papposa (11)
Pectis papposa var. papposa (15)
Pectis tenuifolia (3)
Pectocarya heterocarpa (10)
Pectocarya linearis (1)
Pectocarya linearis ssp. ferocula (4)
Pectocarya penicillata (10)
Pectocarya peninsularis (5)
Pectocarya platycarpa (10)
Pectocarya pusilla (17)
Pectocarya recurvata (17)
Pectocarya setosa (20)
Pectocarya spp (linearis & recurvata) (1)
Pedicularis (2)
Pedicularis attollens (39)
Pedicularis bracteosa (7)
Pedicularis bracteosa var. atrosanguinea (4)
Pedicularis bracteosa var. bracteosa (1)
Pedicularis bracteosa var. flavida (7)
Pedicularis canadensis (2)
Pedicularis capitata (2)
Pedicularis centranthera (2)
Pedicularis chamissonis (1)
Pedicularis contorta (19)
Pedicularis crenulata (7)
Pedicularis densiflora (95)
Pedicularis densiflora ssp. densiflora (4)
Pedicularis dudleyi (3)
Pedicularis elongata ssp. julica (5)
Pedicularis groenlandica (40)
Pedicularis howellii (1)
Pedicularis kerneri (3)
Pedicularis oederi (1)
Pedicularis ornithorhyncha (4)
Pedicularis ornithoryncha (3)
Pedicularis parryi (2)
Pedicularis parryi ssp. parryi (1)
Pedicularis racemosa (15)
Pedicularis rainierensis (3)
Pedicularis rostratocapitata (3)
Pedicularis rostratocapitata ssp. rostratocapitata (4)
Pedicularis semibarbata (42)
Pedicularis semibarbata var. charlestonensis (4)
Pedicularis sp. (3)
Pedicularis tuberosa (1)
Pedicularis verticillata (3)
Pedilanthus macrocarpus (9)
Pediocactus bradyi (10)
Pediocactus knowltonii (3)
Pediocactus paradinei (3)
Pediocactus sileri (8)
Pediocactus simpsonii (4)
Pediocactus simpsonii var. minor (1)
Pediocactus simpsonii var. nigrispina (2)
Pediocactus simpsonii var. robustior (11)
Pediocactus simpsonii var. simpsonii (11)
Pediomelum argophyllum (2)
Pediomelum californicum (7)
Pediomelum castoreum (2)
Pediomelum pentaphyllum (2)
Peganum harmala (14)
Pelargonium drummondii (2)
Pelargonium fissifolium (2)
Pelargonium graveolens (3)
Pelargonium grossularioides (4)
Pelargonium ionidiflorum (1)
Pelargonium laevigatum (1)
Pelargonium lobatum (1)
Pelargonium vitifolium (12)
Pellaea andromedifolia (32)
Pellaea brachyptera (12)
Pellaea brandegeei (1)
Pellaea breweri (12)
Pellaea bridgesii (15)
Pellaea calomelanos (1)
Pellaea glaciogena (1)
Pellaea mucronata (18)
Pellaea mucronata ssp. californica (3)
Pellaea mucronata var. californica (1)
Pellaea mucronata var. mucronata (11)
Pellaea peruviana (1)
Pellaea truncata (3)
Pellia epiphylla (4)
Peltigera aphthosa (1)
Peltiphyllum peltatum (6)
Peltophorum africanum (11)
Peltophorum pterocarpum (1)
Pelvetia fastigiata (1)
Pelvetiopsis limitata (3)
Peniocereus greggii (1)
Peniocereus greggii var. transmontanus (2)
Pennisetum clandestinum (12)
Pennisetum glaucum (6)
Pennisetum latifolium (3)
Pennisetum setaceum (18)
Pennisetum villosum (6)
Penstemon acuminatus var. latebracteatus (7)
Penstemon albertinus (2)
Penstemon albidus (3)
Penstemon albomarginatus (11)
Penstemon ambiguus (4)
Penstemon anguineus (16)
Penstemon attenuatus var. palustris (8)
Penstemon azureus (12)
Penstemon azureus ssp. angustissimus (14)
Penstemon azureus ssp. azureus (4)
Penstemon azureus var. azureus (16)
Penstemon barbatus (1)
Penstemon barbatus ssp. torreyi (5)
Penstemon barnebyi (10)
Penstemon bicolor (14)
Penstemon bicolor ssp. bicolor (5)
Penstemon bicolor ssp. roseus (6)
Penstemon bridgesii (5)
Penstemon caesius (17)
Penstemon calcareus (14)
Penstemon californicus (14)
Penstemon cardwellii (2)
Penstemon centranthifolius (46)
Penstemon cinereus (1)
Penstemon cinicola (4)
Penstemon clevelandii (2)
Penstemon clevelandii ssp. clevelandii (3)
Penstemon clevelandii var. clevelandii (1)
Penstemon clevelandii var. connatus (7)
Penstemon comarrhenus (2)
Penstemon concinnus (10)
Penstemon confertus (15)
Penstemon confusus (10)
Penstemon cusickii (8)
Penstemon cyananthus (1)
Penstemon davidsonii (9)
Penstemon davidsonii var. davidsonii (18)
Penstemon davidsonii var. menziesii (2)
Penstemon debilis (4)
Penstemon deustus (32)
Penstemon deustus var. pedicellatus (7)
Penstemon digitalis (4)
Penstemon dolius (9)
Penstemon eatonii (28)
Penstemon eatonii ssp. undosus (2)
Penstemon eatonii var. eatonii (3)
Penstemon euglaucous (2)
Penstemon filiformis (11)
Penstemon floridus (12)
Penstemon floridus ssp. austinii (6)
Penstemon floridus ssp. floridus (3)
Penstemon floridus var. floridus (13)
Penstemon fremontii (1)
Penstemon fruticiformis (2)
Penstemon fruticiformis var. amargosae (2)
Penstemon fruticiformis var. fruticiformis (6)
Penstemon fruticosus (12)
Penstemon gairdneri (4)
Penstemon gairdneri var. gairdneri (4)
Penstemon glaber var. alpinus (2)
Penstemon globosus (6)
Penstemon gloxinoides (2)
Penstemon gracilentus (22)
Penstemon gracilis (1)
Penstemon grandiflorus (3)
Penstemon grinnellii (34)
Penstemon grinnellii ssp. grinnellii (6)
Penstemon grinnellii ssp. scrophularioides (4)
Penstemon grinnellii var. grinnellii (3)
Penstemon heterodoxus (13)
Penstemon heterodoxus var. cephalophorus (12)
Penstemon heterodoxus var. heterodoxus (10)
Penstemon heterodoxus var. shastensis (4)
Penstemon heterophyllus (26)
Penstemon heterophyllus var. australis (4)
Penstemon heterophyllus var. heterophyllus (15)
Penstemon heterophyllus var. purdyi (1)
Penstemon humilis (12)
Penstemon humilis var. humilis (11)
Penstemon immanifestus (2)
Penstemon incertus (5)
Penstemon jamesii (3)
Penstemon janishiae (23)
Penstemon labrosus (21)
Penstemon laetus (24)
Penstemon laetus ssp. laetus (4)
Penstemon laetus ssp. sagitattus (5)
Penstemon laetus var. laetus (5)
Penstemon laetus var. sagittatus (11)
Penstemon laevis (1)
Penstemon leiophyllus var. francisci-pennellii (2)
Penstemon leonardii var. higginsii (3)
Penstemon leonardii var. leonardii (5)
Penstemon lyallii (1)
Penstemon monoensis (5)
Penstemon nanus (7)
Penstemon neomexicanus (1)
Penstemon neotericus (10)
Penstemon newberryi (52)
Penstemon newberryi ssp. newberryi (1)
Penstemon newberryi var. berryi (8)
Penstemon newberryi var. newberryi (23)
Penstemon newberryi var. sonomensis (6)
Penstemon nitidus (1)
Penstemon pachyphyllus (5)
Penstemon pachyphyllus var. congestus (4)
Penstemon palmeri (19)
Penstemon palmeri var. eglandulous (3)
Penstemon palmeri var. palmeri (18)
Penstemon papillatus (1)
Penstemon parryi (17)
Penstemon parvulus (4)
Penstemon patens (19)
Penstemon payettensis (3)
Penstemon personatus (15)
Penstemon procerus (8)
Penstemon procerus var. formosus (7)
Penstemon pseudospectabilis (19)
Penstemon pseudospectablis (1)
Penstemon purpusii (4)
Penstemon richardsonii var. dentatus (5)
Penstemon roezlii (18)
Penstemon rostriflorus (48)
Penstemon rupicola (19)
Penstemon rydbergii (9)
Penstemon rydbergii var. oreocharis (19)
Penstemon rydbergii var. rydbergii (2)
Penstemon scapoides (27)
Penstemon secundiflorus (3)
Penstemon serrulatus (5)
Penstemon sp. (12)
Penstemon speciosus (41)
Penstemon spectabilis (32)
Penstemon spectabilis var. spectabilis (14)
Penstemon spectabilis var. subviscosus (2)
Penstemon spectabilis? (1)
Penstemon stephensii (4)
Penstemon strictus (5)
Penstemon sudans (6)
Penstemon thompsoniae (6)
Penstemon thompsoniae ssp. jaegeri (4)
Penstemon thurberi (18)
Penstemon tracyi (5)
Penstemon unilateralis (2)
Penstemon utahensis (21)
Penstemon venustus (3)
Penstemon virgatus (1)
Penstemon whippleanus (12)
Penstemon wilcoxii (5)
Penstemon X parishii (5)
Pentacalia peruviana (1)
Pentachaeta aurea (5)
Pentachaeta aurea ssp. allenii (4)
Pentachaeta aurea ssp. aurea (2)
Pentachaeta bellidiflora (8)
Pentachaeta exilis ssp. aeolica (10)
Pentachaeta exilis ssp. exilis (2)
Pentachaeta lyonii (6)
Pentagramma pallida (6)
Pentagramma triangularis (32)
Pentagramma triangularis ssp. triangularis (17)
Pentagramma triangularis ssp. viscosa (2)
Pentagramma triangularis var. triangularis (5)
Pentalinon luteum (2)
Pentarhizidium orientale (1)
Penthorum sedoides (6)
Peperomia columnaris (2)
Peperomia magnoliitolia (1)
Peplonia bradeana (10)
Peraphyllum ramosissimum (13)
Peraphyllum ramosissium (2)
Perezia sp. (1)
Pericallis aurita (1)
Pericallis webbii (1)
Pericallis X hybrida (1)
Pericome caudata (1)
Perideridia bacigalupii (14)
Perideridia bolanderi (7)
Perideridia bolanderi ssp. bolanderi (16)
Perideridia californica (11)
Perideridia gairdneri (5)
Perideridia gairdneri ssp. gairdneri (10)
Perideridia howellii (7)
Perideridia kelloggii (7)
Perideridia lemmonii (2)
Perideridia oregana (8)
Perideridia parishii (11)
Perideridia parishii ssp. parishii (6)
Perideridia sp. (1)
Periploca angustifolia (2)
Perityle emoryi (24)
Pernettya prostrata (2)
Pernettya pumila (1)
Perrottetia sandwicensis (1)
Persea americana (25)
Persicaria lapathifolia (1)
Persicaria maculosa (3)
Pescatorea lehmanii (2)
Petalonyx linearis (5)
Petalonyx nitidus (4)
Petalonyx parryi (4)
Petalonyx thurberi (12)
Petalonyx thurberi ssp. thurberi (3)
Petalostemum purpureum (2)
Petasites albus (9)
Petasites amplus (1)
Petasites fragrans (1)
Petasites frigidus (4)
Petasites frigidus var. palmatus (33)
Petasites hybridus (5)
Petasites paradoxus (7)
Petasites sagittatus (1)
Peteria thompsonae (1)
Petradoria pumila ssp. pumila (2)
Petrocallis pyrenaica (5)
Petrocelis sp. (1)
Petrophyton caespitosum (11)
Petrophyton caespitosum ssp. caespitosum (5)
Petrophytum caespitosum (1)
Petrophytum caespitosum ssp. caespitosum (5)
Petrorhagia dubia (18)
Petrorhagia nanteuilii (3)
Petrorhagia prolifera (10)
Petrorhagia saxifraga (15)
Petrorhagia velutina (4)
Petrosedum forsterianum (1)
Petrosedum ochroleucum (8)
Petrosedum pruinatum (1)
Petrosedum rupestre (2)
Petrosedum sediforme (6)
Petroselinum crispum (10)
Petunia axillaris (1)
Petunia parviflora (5)
Petunia sp. (25)
Peucedanum ostruthium (2)
Peucedanum verticillare (8)
Peucephyllum schottii (20)
Pfeiffera ianthothele (3)
Phacelia adenophora (5)
Phacelia affinis (7)
Phacelia anelsonii (13)
Phacelia argentea (3)
Phacelia austromontana (5)
Phacelia bicolor (22)
Phacelia bicolor var. bicolor (5)
Phacelia bolanderi (8)
Phacelia brachyloba (31)
Phacelia breweri (13)
Phacelia californica (18)
Phacelia calthifolia (26)
Phacelia campanularia (40)
Phacelia campanularia ssp. campanularia (2)
Phacelia campanularia ssp. vasiformis (15)
Phacelia cicutaria (25)
Phacelia cicutaria var. cicutaria (6)
Phacelia cicutaria var. hispida (24)
Phacelia cicutaria var. hubbyi (1)
Phacelia ciliata (19)
Phacelia coerulea (7)
Phacelia congdonii (10)
Phacelia cookei (1)
Phacelia corymbosa (7)
Phacelia crenulata (25)
Phacelia crenulata var. ambigua (25)
Phacelia crenulata var. crenulata (7)
Phacelia crenulata var. minutiflora (6)
Phacelia cryptantha (9)
Phacelia curvipes (33)
Phacelia dalesiana (15)
Phacelia davidsonii (15)
Phacelia distans (60)
Phacelia divaricata (23)
Phacelia douglasii (16)
Phacelia egena (14)
Phacelia eisenii (10)
Phacelia exilis (17)
Phacelia filiae (9)
Phacelia floribunda (2)
Phacelia fremontii (63)
Phacelia grandiflora (27)
Phacelia greenei (5)
Phacelia grisea (5)
Phacelia gymnoclada (5)
Phacelia hastata (14)
Phacelia hastata ssp. compacta (18)
Phacelia hastata ssp. hastata (6)
Phacelia hastata var. compacta (10)
Phacelia hastata var. hastata (2)
Phacelia heterophylla (2)
Phacelia heterophylla ssp. virgata (24)
Phacelia hirsuta (3)
Phacelia humilis (15)
Phacelia humilis var. humilis (7)
Phacelia hydrophylloides (21)
Phacelia imbricata (24)
Phacelia imbricata ssp. imbricata (11)
Phacelia imbricata ssp. patula (2)
Phacelia imbricate (3)
Phacelia incana (4)
Phacelia insularis var. continentis (8)
Phacelia insularis var. insularis (6)
Phacelia integrifolia (2)
Phacelia inundata (2)
Phacelia inyoensis (1)
Phacelia ivesiana (12)
Phacelia keckii (1)
Phacelia lemmonii (2)
Phacelia linearis (29)
Phacelia longipes (10)
Phacelia lutea var. lutea (2)
Phacelia malvifolia (16)
Phacelia marcescens (12)
Phacelia minor (34)
Phacelia mohavensis (18)
Phacelia monoensis (4)
Phacelia mustelina (3)
Phacelia mutabilis (16)
Phacelia nashiana (33)
Phacelia neglecta (10)
Phacelia nemoralis (3)
Phacelia orogenes (1)
Phacelia pachyphylla (12)
Phacelia palmeri (7)
Phacelia parishii (16)
Phacelia parryi (28)
Phacelia pedicellata (28)
Phacelia perityloides (8)
Phacelia perityloides var. perityloides (2)
Phacelia phacelioides (2)
Phacelia platyloba (8)
Phacelia pringlei (7)
Phacelia procera (6)
Phacelia pulchella var. goddingii (2)
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Phacelia - Polemonium
Phacelia pulchella var. gooddingii (4)
Phacelia purpusii (4)
Phacelia quickii (13)
Phacelia racemosa (7)
Phacelia ramosissima (9)
Phacelia ramosissima var. austrolitoralis (2)
Phacelia ramosissima var. eremophila (1)
Phacelia ramosissima var. latifolia (7)
Phacelia ramosissima var. ramosissima (10)
Phacelia ramosissima var. subglabra (4)
Phacelia rattanii (6)
Phacelia rotundifolia (13)
Phacelia saxicola (4)
Phacelia sericea (4)
Phacelia sericea ssp. ciliosa (5)
Phacelia sericea ssp. sericea (3)
Phacelia sivinskii (2)
Phacelia sp. (6)
Phacelia stebbinsii (15)
Phacelia stellaris (13)
Phacelia suaveolens ssp. keckii (4)
Phacelia suaveolens var. suaveolens (9)
Phacelia tanacetifolia (36)
Phacelia thermalis (1)
Phacelia vallicola (8)
Phacelia vallis-mortae (11)
Phacelia viscida (24)
Phagnalon graecum (1)
Phagnalon rupestre (6)
Phaiphleps biflora (1)
Phalacroseris bolanderi (9)
Phalaenopsis celebensis (4)
Phalaenopsis lueddemanniana var. ochracea (1)
Phalaenopsis pulchra (1)
Phalaenopsis sp. (4)
Phalaenopsis stuartiana (2)
Phalaris aquatica (13)
Phalaris arundinacea (11)
Phalaris brachystachys (9)
Phalaris californica (7)
Phalaris canariensis (7)
Phalaris lemmonii (5)
Phalaris minor (10)
Phalaris paradoxa (7)
Phaseolus acutifolius (1)
Phaseolus filiformis (2)
Phaseolus montanus (1)
Phaseolus sp. (2)
Phaseolus vulgaris (6)
Phedimus kamtschaticus (2)
Phedimus obtusifolius (1)
Phedimus stellatus (5)
Phedimus stoloniferus (1)
Phegopteris connectilis (22)
Phellodendron amurense (2)
Phemeranthus teretifolius (1)
Philadelphus californicus (3)
Philadelphus coronarius (5)
Philadelphus lewisii (42)
Philadelphus microphyllus (1)
Philadelphus serpyllifolius (1)
Philadelphus sp. (2)
Philadelphus tenuifolius (1)
Philenoptera violacea (7)
Philodendron acutatum (12)
Philodendron scandens (1)
Philodendron sp. (1)
Philodendron surinamense (13)
Philonotis fontana (2)
Phleum alpinum (5)
Phleum pratense (14)
Phleum subulatum (1)
Phlomis alpina (2)
Phlomis fruticosa (1)
Phlomis herba-venti (9)
Phlomis lychnitis (2)
Phlox adsurgens (10)
Phlox austromontana (14)
Phlox bifida ssp. stellaria (2)
Phlox caespitosa (5)
Phlox condensata (12)
Phlox diffusa (63)
Phlox diffusa ssp. longistylis (3)
Phlox divaricata (6)
Phlox dolichantha (39)
Phlox douglasii (1)
Phlox gracilis (34)
Phlox hirsuta (15)
Phlox hoodii (6)
Phlox hoodii ssp. canescens (19)
Phlox hoodii ssp. muscoides (5)
Phlox longifolia (5)
Phlox longifolia ssp. longifolia (1)
Phlox maculata (4)
Phlox mesoleuca (1)
Phlox multiflora (1)
Phlox muscoides (1)
Phlox nana (1)
Phlox nana ssp. ensifolia (3)
Phlox paniculata (18)
Phlox pulvinata (3)
Phlox rigida (3)
Phlox sp. (8)
Phlox speciosa (25)
Phlox speciosa ssp. nitida (2)
Phlox speciosa ssp. occidentalis (16)
Phlox stansburyi (36)
Phlox subulata (6)
Phlox viscida (1)
Phoebe nanmu (1)
Phoenicaulis cheiranthoides (38)
Phoenix canariensis (10)
Phoenix dactylifera (6)
Phoenix roebelinii (1)
Phoenix sp. (2)
Pholidota chinensis (1)
Pholisma arenarium (17)
Pholisma sonorae (15)
Pholistoma auritum (22)
Pholistoma auritum var. auritum (16)
Pholistoma membranaceum (26)
Pholistoma racemosum (5)
Phoradendron bolleanum (4)
Phoradendron califonicum (1)
Phoradendron californicum (43)
Phoradendron densum (13)
Phoradendron flavescens (1)
Phoradendron juniperinum (11)
Phoradendron juniperium (1)
Phoradendron juniperum (3)
Phoradendron libocedri (2)
Phoradendron macrophyllum (3)
Phoradendron sp. (6)
Phoradendron tomentosum (1)
Phoradendron villosum (22)
Photinia davidiana (1)
Photinia glabra (1)
Photinia melanocarpa (9)
Photinia prinophyllum (1)
Photinia serrulata (4)
Photinia sp. (4)
Phragmipedium besseae (1)
Phragmipedium caudatum (2)
Phragmipedium caudatum var. giganteum (3)
Phragmipedium conchiferum (1)
Phragmipedium fischeri (1)
Phragmipedium lindenii (2)
Phragmipedium richterii (1)
Phragmipedium schlimii (1)
Phragmites australis (22)
Phryma leptostachya (4)
Phuopsis stylosa (6)
Phycodrina elegans (1)
Phycodrys elegans (1)
Phyla nodiflora (7)
Phyla nodiflora var. nodiflora (7)
Phyla nodiflora var. rosea (1)
Phylica pubescens (2)
Phyllanthus angustifolius (1)
Phyllanthus polygonoides (1)
Phyllitis scolopendrium (5)
Phyllodoce aleutica (1)
Phyllodoce breweri (57)
Phyllodoce brewerii (1)
Phyllodoce caerulea (3)
Phyllodoce empetriformis (19)
Phyllodoce glanduliflora (6)
Phyllospadix scouleri (11)
Phyllospadix sp. (1)
Phyllostachys vivax (1)
Physalis acutifolia (5)
Physalis alkekengi (18)
Physalis alkekengi var. franchetii (2)
Physalis crassifolia (35)
Physalis crassifolia var. crassifolia (1)
Physalis crassifolia var. infundibularis (2)
Physalis hederifolia var. cordifolia (1)
Physalis hederifolia var. fendleri (1)
Physalis hederifolia var. palmeri (3)
Physalis heterophylla (3)
Physalis lanceifolia (3)
Physalis lobata (12)
Physalis peruviana (2)
Physalis philadelphica (1)
Physalis sp. (2)
Physalis viscosa (2)
Physalis walteri (2)
Physaria chambersii (6)
Physaria fendleri (1)
Physaria pinetorum (1)
Physaria vitulifera (2)
Physocarpus capitatus (26)
Physocarpus opulifolius (16)
Physoplexis comosa (11)
Physostegia purpurea (1)
Physostegia virginiana (2)
Phytelephas macrocarpa (1)
Phyteuma hemisphaericum (2)
Phyteuma orbiculare (7)
Phyteuma scheuchzeri (7)
Phyteuma sieberi (2)
Phyteuma sp. (1)
Phyteuma zahlbruckneri (5)
Phytolacca americana (16)
Phytolacca heterotepala (1)
Phytolacca icosandra (1)
Phytolacca octandra (3)
Picea abies (16)
Picea breweriana (25)
Picea engelmannii (19)
Picea glauca (11)
Picea mariana (7)
Picea pungens (8)
Picea rubens (2)
Picea sitchensis (22)
Picea sp. (1)
Picea x fennica (1)
Pickeringia montana (25)
Pickeringia montana var. montana (12)
Pickeringia montana var. tomentosa (5)
Picris echioides (25)
Picris hieracioides (7)
Picrothamnus desertorum (2)
Pieris floribunda (4)
Pieris japonica (5)
Pilea microphylla (1)
Pilea pumila (2)
Pilocarpus riedelianus (26)
Pilophorus acicularis (2)
Pilosella aurantiaca (1)
Pilostyles thurberi (2)
Pilularia americana (8)
Pimpinella major (2)
Pinguicula (3)
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 fiorii (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 lusitanicum (2)
Pinguicula lutea (21)
Pinguicula macroceras (4)
Pinguicula macroceras ssp. macroceras (27)
Pinguicula macroceras ssp. nortensis (26)
Pinguicula macrophylla (1)
Pinguicula moctezumae (2)
Pinguicula moranensis (19)
Pinguicula pilosa (1)
Pinguicula planifolia (24)
Pinguicula potosiensis (1)
Pinguicula primuliflora (22)
Pinguicula pumila (11)
Pinguicula pumila var. buswellii (3)
Pinguicula rectifolia (1)
Pinguicula reichenbachiana (5)
Pinguicula reticulata (4)
Pinguicula rotundiflora (3)
Pinguicula vulgaris (8)
Pinguicula vulgaris ssp. macroceras (11)
Pinus albicaulis (44)
Pinus aristata (1)
Pinus attenuata (28)
Pinus balfouriana (15)
Pinus balfouriana ssp. austrina (28)
Pinus balfouriana ssp. balfouriana (1)
Pinus banksiana (2)
Pinus canariensis (13)
Pinus cembra (1)
Pinus contorta (20)
Pinus contorta ssp. bolanderi (4)
Pinus contorta ssp. contorta (3)
Pinus contorta ssp. latifolia (3)
Pinus contorta ssp. murrayana (15)
Pinus contorta var. bolanderi (4)
Pinus contorta var. latifolia (1)
Pinus contorta var. murrayana (26)
Pinus coulteri (23)
Pinus densiflora (15)
Pinus edulis (33)
Pinus elliottii (1)
Pinus flexilis (21)
Pinus glabra (2)
Pinus halepensis (17)
Pinus jeffreyi (71)
Pinus koraiensis (9)
Pinus lambertiana (37)
Pinus longaeva (110)
Pinus monophylla (43)
Pinus monophylla ssp. fallax (1)
Pinus monticola (40)
Pinus mugo (8)
Pinus mugo ssp. uncinata (3)
Pinus muricata (40)
Pinus nigra (13)
Pinus palustris (1)
Pinus pinea (3)
Pinus ponderosa (64)
Pinus ponderosa ssp. ponderosa (8)
Pinus ponderosa var. ponderosa (7)
Pinus pumila (3)
Pinus quadrifolia (14)
Pinus radiata (44)
Pinus resinosa (4)
Pinus sabineana (42)
Pinus sabiniana (18)
Pinus sp. (8)
Pinus strobus (12)
Pinus sylvestris (6)
Pinus sylvestris var. sylvestris (2)
Pinus torreyana (19)
Pinus torreyana ssp. insularis (3)
Pinus torreyana ssp. torreyana (6)
Pinus wallichiana (2)
Pinus washoensis (5)
Piper auritum (1)
Piperia candida (4)
Piperia colemanii (14)
Piperia cooperi (2)
Piperia elegans (24)
Piperia elegans ssp. decurtata (5)
Piperia elegans ssp. elegans (3)
Piperia elongata (23)
Piperia leptopetala (4)
Piperia michaelii (7)
Piperia transversa (31)
Piperia unalascensis (32)
Piperia yadonii (4)
Piptatherum miliaceum (26)
Piptochaetium setosum (5)
Piriqueta caroliniana (2)
Pisonia capitata (1)
Pisonia flavescans (2)
Pistacia chinensis (1)
Pistacia lentiscus (6)
Pistacija lentiscus (4)
Pistacija terebinthus (1)
Pistia stratiotes (3)
Pisum sativum (1)
Pisum sativum var. macrocarpon (2)
Pitcairnia caerulea (6)
Pithecellobium keyense (1)
Pithecellobium unguis-cati (3)
Pithecoctenium cynanchoides (1)
Pittosporum crassifolium (8)
Pittosporum daphniphylloides (1)
Pittosporum erioloma (1)
Pittosporum eugenioides (2)
Pittosporum ferrugineum (1)
Pittosporum heterophyllum (1)
Pittosporum illicoides (1)
Pittosporum sp. (4)
Pittosporum tobira (16)
Pittosporum undulatum (3)
Pitygramma calomelanos (1)
Pityopsis graminifolia (1)
Pityopus californicus (2)
Pityrogramma triangularis (1)
Plagiobothrys (1)
Plagiobothrys acanthocarpus (15)
Plagiobothrys arizonicus (15)
Plagiobothrys austiniae (9)
Plagiobothrys bracteatus (13)
Plagiobothrys canescens (19)
Plagiobothrys chorisianus var. chorisianus (23)
Plagiobothrys chorisianus var. nickmanii (1)
Plagiobothrys cognatus (6)
Plagiobothrys collinus (1)
Plagiobothrys collinus var. californicus (4)
Plagiobothrys distantiflorus (7)
Plagiobothrys figuratus (1)
Plagiobothrys fulvus (2)
Plagiobothrys glyptocarpus (3)
Plagiobothrys glyptocarpus var. glyptocarpus (8)
Plagiobothrys greenei (11)
Plagiobothrys hirtus (5)
Plagiobothrys hispidulus (6)
Plagiobothrys hispidus (15)
Plagiobothrys humistratus (10)
Plagiobothrys hystriculus (7)
Plagiobothrys jonesii (1)
Plagiobothrys kingii (3)
Plagiobothrys kingii var. harknessii (7)
Plagiobothrys leptocladus (10)
Plagiobothrys mollis var. mollis (11)
Plagiobothrys myosotoides (4)
Plagiobothrys nothofulvus (37)
Plagiobothrys parishii (13)
Plagiobothrys reticulatus (2)
Plagiobothrys reticulatus var. reticulatus (2)
Plagiobothrys reticulatus var. rossianorum (1)
Plagiobothrys salsus (1)
Plagiobothrys shastensis (14)
Plagiobothrys sp. (9)
Plagiobothrys stipitatus (2)
Plagiobothrys stipitatus var. micranthus (7)
Plagiobothrys stipitatus var. stipitatus (7)
Plagiobothrys tenellus (19)
Plagiobothrys tener (2)
Plagiobothrys trachycarpus (2)
Plagiobothrys uncinatus (3)
Plagiobothrys undulatus (7)
Plagiochelius tanacetoides (1)
Plagiogyria petelotii (1)
Plagiothecium laetum (1)
Plagirhegma dubia (12)
Plantago afra (6)
Plantago arborea (1)
Plantago coronopus (16)
Plantago elongata (7)
Plantago erecta (33)
Plantago holosteum (4)
Plantago indica (1)
Plantago lagopus (6)
Plantago lanceolata (14)
Plantago lanceolata var. lanceolata (17)
Plantago major (9)
Plantago maritima (19)
Plantago maritima var. juncoides (3)
Plantago media (2)
Plantago ovata (32)
Plantago patagonica (11)
Plantago psyllium (6)
Plantago serraria (9)
Plantago sp. (5)
Plantago subnuda (4)
Plantago truncata ssp. firma (1)
Plantanthera leucostachys (2)
Plantanthera sparsiflora (2)
Plantathera leucostachys (3)
Platanthera aquilonis (1)
Platanthera bifolia (4)
Platanthera blephariglottis (4)
Platanthera blephariglottis var. blephariglottis (3)
Platanthera chlorantha (1)
Platanthera clavellata (3)
Platanthera dilatata (12)
Platanthera dilatata var. leucostachys (8)
Platanthera grandiflora (4)
Platanthera hyperborea (1)
Platanthera hyperborea var. hyperborea (2)
Platanthera lacera (3)
Platanthera leuchostachys (1)
Platanthera leucostachys (72)
Platanthera orbiculata (3)
Platanthera sp. (1)
Platanthera sparsiflora (45)
Platanthera sparsiflora var. ensifolia (5)
Platanthera stricta (11)
Platanthera unalascenis (2)
Platanthera yosemitensis (11)
Platanus racemosa (56)
Platanus wrightii (5)
Platanus X hispanica (4)
Platycarya strobilacea (1)
Platycerium bifurcatum (2)
Platycodon grandiflorum (2)
Platycodon grandiflorum ssp. mariesii var. album (2)
Platycodon grandiflorus (3)
Platydesma spathulata (4)
Platystemon californicus (84)
Plectritis brachystemon (5)
Plectritis ciliosa (9)
Plectritis ciliosa ssp. ciliosa (6)
Plectritis ciliosa ssp. insignis (7)
Plectritis congesta (13)
Plectritis macrocera (14)
Plectritis macrocera ssp. grayi (2)
Plectritis sp. (4)
Pleiacanthus spinosus (3)
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)
Pleonosporium complanatum (1)
Pleopeltis appressa (1)
Pleopeltis macrocarpa (1)
Pleopeltis repanda (1)
Pleopeltis x melanoneuron (1)
Pleuraphis jamesii (8)
Pleuraphis rigida (29)
Pleuricospora fimbriolata (27)
Pleurocoronis pluriseta (13)
Pleuropogon californicus (7)
Pleuropogon hooverianus (8)
Pleuropogon refractus (4)
Pleurospermum austriacum (8)
Pleurothallis brighamii (2)
Pleurothallis chrysantha (1)
Pleurothallis grobyi (1)
Pleurothallis hemirhoda (2)
Pleurothallis immersa (1)
Pleurothallis niveoglobula (3)
Pleurothallis palliolata (1)
Pleurothallis picta (1)
Pleurothallis quadrifida (1)
Pleurothallis segoviensis (1)
Pleurothallis sp. (1)
Pleurothallis stenosepala (2)
Pleurothallis stricta (4)
Pleurothallis teagueii (1)
Plocamium cartilagineum (1)
Pluchea carolinensis (1)
Pluchea odorata (10)
Pluchea rosea (1)
Pluchea sericea (21)
Plumbago auriculata (1)
Plumbago capensis (4)
Plumbago europaea (8)
Plumbago scandens (1)
Plumbago sp. (1)
Plumeria rubra (6)
Pneumatopteris glandulifera (1)
Poa alpina (1)
Poa alpina ssp. vivipara (2)
Poa annua (13)
Poa atropurpurea (18)
Poa bulbosa (12)
Poa compressa (4)
Poa confinis (3)
Poa cusickii sp. epilis (1)
Poa cusickii var. cusickii (1)
Poa douglasii (4)
Poa douglassii (1)
Poa fendleriana sp. longiligula (1)
Poa fendleriana ssp. longiligula (6)
Poa palustris (2)
Poa pratensis (7)
Poa pratensis ssp. agassizensis (1)
Poa secunda (6)
Poa secunda sp. secunda (14)
Poa secunda ssp. juncifolia (3)
Poa secunda ssp. secunda (9)
Poa trivialis (1)
Poa unilateralis (2)
Podachaenium chiapanum (2)
Podistera nevadensis (14)
Podocarpus coriaceus (1)
Podocarpus latifolius (9)
Podocarpus macrophyllus (7)
Podocarpus salignus (1)
Podophyllum hexandrum (5)
Podophyllum peltatum (17)
Podostemum ceratophyllum (1)
Podranea ricasoliana (3)
Pogogyne abramsii (12)
Pogogyne clareana (7)
Pogogyne douglasii (9)
Pogogyne douglasii ssp. parviflora (1)
Pogogyne floribunda (1)
Pogogyne nudiuscula (2)
Pogogyne serpylloides (9)
Pogogyne zizyphoroides (11)
Pogonia ophioglossoides (6)
Poinsettia cyathophora (1)
Polanisia dodecandra ssp. trachysperma (5)
Polansia dodecandra ssp. trachysperma (10)
Polemonium acutiflorum (2)
Polemonium caeruleum (1)
Polemonium californicum (10)
Polemonium carneum (8)
Polemonium chartaceum (5)
Polemonium confertum (2)
Polemonium elegans (1)
Polemonium eximium (17)
|
Polemonium - Pyxidanthera
Polemonium foliosissimum var. alpinum (3)
Polemonium micranthum (11)
Polemonium occidentale (28)
Polemonium pulcherrimum (15)
Polemonium pulcherrimum var. pilosum (7)
Polemonium pulcherrimum var. pulcherrimum (3)
Polemonium reptans (7)
Polemonium sp. (1)
Polemonium viscosum (7)
Polianthes tuberosa (1)
Polybotrya speciosa (1)
Polycarpon depressum (5)
Polycarpon tetraphyllum (15)
Polyctenium fremontii (5)
Polyctenium fremontii var. confertum (1)
Polyctenium williamsiae (7)
Polygala acanthoclada (9)
Polygala alba (2)
Polygala alpestris (4)
Polygala balduinii (3)
Polygala californica (18)
Polygala chamaebuxus (6)
Polygala comosa (3)
Polygala cornuta (3)
Polygala cornuta var. cornuta (14)
Polygala cornuta var. fishiae (9)
Polygala flavescens (6)
Polygala heterorhyncha (5)
Polygala intermontana (1)
Polygala macradenia var. macradenia (10)
Polygala monspeliaca (3)
Polygala myrtifolia (4)
Polygala nana (1)
Polygala nicaeensis ssp. forojulensis (3)
Polygala paucifolia (7)
Polygala sanguinea (4)
Polygala senega (2)
Polygala sp. (1)
Polygala subspinosa (11)
Polygala verticillata (1)
Polygonatum biflorum (5)
Polygonatum multiflorum (3)
Polygonatum odoratum (6)
Polygonatum pubescens (6)
Polygonatum verticillatum (6)
Polygonella articulata (6)
Polygonum amphibium (5)
Polygonum amphibium ssp. emersum (2)
Polygonum amphibium var. emersum (4)
Polygonum amphibium var. stipulaceum (14)
Polygonum arenastrum (6)
Polygonum aviculare (8)
Polygonum aviculare ssp. aviculare (4)
Polygonum aviculare ssp. rurivagum (1)
Polygonum bellardii (1)
Polygonum bidwelliae (9)
Polygonum bistorta (11)
Polygonum bistortoides (31)
Polygonum bolanderi (3)
Polygonum californicum (11)
Polygonum cilinode (4)
Polygonum coccineum (1)
Polygonum convolvulus (7)
Polygonum cuspidatum (18)
Polygonum davisae (4)
Polygonum davisiae (16)
Polygonum douglasii (4)
Polygonum douglasii ssp. douglasii (3)
Polygonum douglasii ssp. johnstonii (3)
Polygonum douglasii ssp. majus (6)
Polygonum douglasii ssp. spergulariiforme (4)
Polygonum hickmanii (3)
Polygonum hydropiper (2)
Polygonum hydropiperoides (9)
Polygonum lapathifolium (17)
Polygonum marinense (2)
Polygonum minimum (6)
Polygonum mite (6)
Polygonum multiflorum (5)
Polygonum newberryi (3)
Polygonum oxyspermum (2)
Polygonum paronychia (27)
Polygonum parryi (1)
Polygonum patulum (7)
Polygonum pensylvanicum (3)
Polygonum persicaria (10)
Polygonum phytolaccifolium (17)
Polygonum polygaloides (6)
Polygonum polygaloides ssp. esotericum (1)
Polygonum polygaloides ssp. kelloggii (5)
Polygonum polystachyum (3)
Polygonum punctatum (5)
Polygonum sachalinense (5)
Polygonum sagittatum (3)
Polygonum shastense (17)
Polygonum sp. (7)
Polygonum spectabile (1)
Polygonum viviparum (5)
Polygonun californicum (1)
Polylepis sp. (1)
Polymia maculata (2)
Polymnia canadensis (2)
Polyphlebium borbonicum (2)
Polypodium alan-smithii (1)
Polypodium alavae (1)
Polypodium amorphum (1)
Polypodium appressum (1)
Polypodium argentinum (1)
Polypodium australe (2)
Polypodium blepharideum (1)
Polypodium californicum (12)
Polypodium calirhiza (10)
Polypodium clemensiae (1)
Polypodium concolorum (1)
Polypodium glycyrrhiza (11)
Polypodium hirtelloides (1)
Polypodium mexiae (1)
Polypodium parksii (1)
Polypodium pyrrholepis (3)
Polypodium rosei (1)
Polypodium saxicola (1)
Polypodium scouleri (13)
Polypodium sp. (3)
Polypodium vacillans (1)
Polypodium virginianum (9)
Polypodium vulgare (6)
Polypogon australis (3)
Polypogon elongatus (4)
Polypogon interruptus (3)
Polypogon maritimus (11)
Polypogon monspeliensis (42)
Polysiphonia bifurcata (1)
Polysiphonia sp. (probably p. pacifica) (1)
Polystachia sp. (1)
Polystachya affinis (2)
Polystachya maculata (2)
Polystachya pubescens (1)
Polystachya valentina (1)
Polystachya vulcanica (1)
Polystichum acrostichoides (9)
Polystichum aculeatum (13)
Polystichum andersonii (1)
Polystichum braunii (4)
Polystichum dudleyi (1)
Polystichum imbricans (6)
Polystichum imbricans ssp. curtum (4)
Polystichum imbricans ssp. imbricans (6)
Polystichum lemmonii (9)
Polystichum lonchites (1)
Polystichum lonchitis (11)
Polystichum mexiae (1)
Polystichum munitum (45)
Polystichum pilosum (1)
Polystichum pygmaeum (1)
Polystichum scopulinum (5)
Polystichum setiferum (4)
Polystichum sp. (1)
Polystichum transvaalense (1)
Polytrichum commune (6)
Polytrichum juniperinum (2)
Polytrichum juniperinum var. gracilius (8)
Polytrichum sp. (7)
Pontederia cordata (18)
Pontederia sp. (1)
Populus acuminata (1)
Populus alba (6)
Populus angustifolia (5)
Populus balsamifera (6)
Populus balsamifera ssp. trichocarpa (23)
Populus deltoides (4)
Populus fremontii (12)
Populus fremontii ssp. fremontii (45)
Populus grandidentata (10)
Populus simonii (2)
Populus songarica (3)
Populus sp. (5)
Populus temuloides (1)
Populus tremula (14)
Populus tremuloides (94)
Populus trichocarpa (3)
Populus x canescens (2)
Porella bolanderi (8)
Porlieria microphylla (1)
Porophyllum gracile (28)
Porophyllum pinifolium (4)
Porphyra nereocystis (1)
Porphyra perforata (1)
Porphyrostachys pilifera (4)
Porroglossum meridionale (1)
Porroglossum muscosum (1)
Porteranthus trifoliatus (2)
Porterella carnosula (18)
Portulaca grandiflora (1)
Portulaca halimoides (4)
Portulaca oleracea (17)
Posidonia oceanica (7)
Postelsia palmaeformis (6)
Potamogeton crispus (2)
Potamogeton epihydrus ssp. nuttallii (4)
Potamogeton foliosus var. foliosus (3)
Potamogeton illinoensis (1)
Potamogeton natans (14)
Potamogeton nodosus (5)
Potamogeton praelongus (3)
Potamogeton pusillus (1)
Potamogeton pusillus var. pusillus (2)
Potamogeton robbinsii (1)
Potamogeton sp. (6)
Potentilla alba (3)
Potentilla anserina (7)
Potentilla anserina sp. pacifica (1)
Potentilla anserina ssp. anserina (2)
Potentilla anserina ssp. pacifica (26)
Potentilla argentea (5)
Potentilla atrosanguinea (4)
Potentilla aurea (2)
Potentilla basaltica (8)
Potentilla biennis (1)
Potentilla caulescens (6)
Potentilla cinerea (4)
Potentilla clusiana (8)
Potentilla cottamii (1)
Potentilla crantzii (4)
Potentilla cristae (13)
Potentilla diversifolia var. diversifolia (4)
Potentilla drummondii (1)
Potentilla drummondii ssp. breweri (20)
Potentilla drummondii ssp. bruceae (3)
Potentilla drummondii ssp. drummondii (1)
Potentilla egedii (2)
Potentilla emarginata (1)
Potentilla erecta (5)
Potentilla flabellifolia (15)
Potentilla fruticosa (16)
Potentilla furcata (1)
Potentilla glandulosa (27)
Potentilla glandulosa ssp. ashlandica (7)
Potentilla glandulosa ssp. ewanii (4)
Potentilla glandulosa ssp. glandulosa (3)
Potentilla glandulosa ssp. nevadensis (13)
Potentilla glandulosa ssp. pseudorupestris (2)
Potentilla glandulosa ssp. reflexa (1)
Potentilla gracilis (13)
Potentilla gracilis var. fastigiata (21)
Potentilla gracilis var. gracilis (2)
Potentilla heptaphylla (4)
Potentilla hickmanii (13)
Potentilla hippiana (3)
Potentilla hyparctica (1)
Potentilla millefolia (16)
Potentilla modesta (1)
Potentilla morefieldii (7)
Potentilla newberryi (2)
Potentilla nitida (12)
Potentilla nivea sp. fallax (1)
Potentilla norvegica (4)
Potentilla palustris (24)
Potentilla pectinisecta (4)
Potentilla pseudosericea (3)
Potentilla reptans (15)
Potentilla rimicola (2)
Potentilla rimicola var. rimicola (1)
Potentilla rupestris (3)
Potentilla sp. (5)
Potentilla sterilis (5)
Potentilla wheeleri (3)
Prasium majus (7)
Pratia repens (1)
Prenanthella exigua (3)
Prenanthes alata (2)
Prenanthes alba (3)
Prenanthes altissima (7)
Prenanthes trifoliata (5)
Primula acaulis (4)
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 (15)
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 carniolica (14)
Primula darialica (1)
Primula denticulata (5)
Primula drummondiana (3)
Primula dryadifolia ssp. congestifolia (1)
Primula edgeworthii ssp. alba (1)
Primula elatior (9)
Primula elatior ssp. intricata (5)
Primula eximia (3)
Primula farinosa (4)
Primula forbesii (2)
Primula gaubeana (1)
Primula halleri (1)
Primula integrifolia (2)
Primula kisoana ssp. alba (1)
Primula laurentiana (1)
Primula lismore ssp. pink ice (1)
Primula lismore-yellow (2)
Primula marginata (4)
Primula marginata ssp. linda pope (2)
Primula marginata ssp. white linda pope (3)
Primula maximowiczii (1)
Primula minima (3)
Primula minkwitziae (1)
Primula mistassinica (2)
Primula nutans (1)
Primula parryi (6)
Primula patens (40)
Primula primulina (1)
Primula pulcra (1)
Primula redolens (1)
Primula reinei ssp. kitakadensis (1)
Primula renifolia (1)
Primula rusbyi (1)
Primula sonchifolia (2)
Primula sp. (9)
Primula suffrutescens (26)
Primula veris (14)
Primula vulgaris (7)
Primula wulfeniana (12)
Primula X elatior (1)
Primula x_venusta (9)
Prionitis albemarlensis (1)
Prionitis galapagensis (1)
Prionitis hancockii (1)
Prionitis lanceolata (2)
Prionitis linearis (1)
Prionium serratum (1)
Pritchardia minor (1)
Pritzelago alpina (5)
Proboscidea althaeifolia (8)
Proboscidea gracillima (1)
Proboscidea louisianica (2)
Proboscidea louisianica ssp. louisianica (1)
Proboscidea lutea (2)
Proboscidea parviflora (7)
Proboscidea sabulosa (1)
Proboscidea sp. (2)
Proboscidea triloba ssp. diversifolia (1)
Procyon lotor (5)
Promenea meadowgold (2)
Pronephrium simplex (1)
Prosaptia pubipes (1)
Prosaptia rosenstockii (1)
Prosartes hookeri (28)
Prosartes hookeri var. oregana (1)
Prosopis chilensis (2)
Prosopis glandulosa (6)
Prosopis glandulosa var. torreyana (19)
Prosopis juliflora (2)
Prosopis juliflora var. glandulosa (3)
Prosopis pubescens (12)
Prosopis sp. (5)
Prosopis strombulifera (1)
Prosopis velutina (6)
Prospero elisae (5)
Prosthechea grammatoglossa (4)
Protea cynaroides (3)
Protea neriifolia (6)
Protea roupelliae (17)
Protea sp. (1)
Prunella grandiflora (6)
Prunella laciniata (6)
Prunella vulgaris (33)
Prunella vulgaris ssp. lanceolata (2)
Prunella vulgaris var. lanceolata (27)
Prunus andersonii (40)
Prunus armeniaca (6)
Prunus avium (10)
Prunus caroliniana (2)
Prunus cerasifera (6)
Prunus cerasifera var. pissardii (1)
Prunus cerasoides (2)
Prunus cerasus (3)
Prunus cistena (4)
Prunus domestica (10)
Prunus dulcis (11)
Prunus dulcis var. dulcis (1)
Prunus emarginata (38)
Prunus eremophila (4)
Prunus fasciculata (10)
Prunus fasciculata var. fasciculata (7)
Prunus fasciculata var. punctata (2)
Prunus fremontii (21)
Prunus hintonii (1)
Prunus ilicifolia (28)
Prunus ilicifolia ssp. ilicifolia (22)
Prunus ilicifolia ssp. lyonii (4)
Prunus laurocerasus (3)
Prunus lusitanica (2)
Prunus mahaleb (3)
Prunus minutiflora (1)
Prunus mume (1)
Prunus nigra (3)
Prunus nipponica (2)
Prunus padus (1)
Prunus pennsylvanica (3)
Prunus persica (2)
Prunus pumila var. depressa (3)
Prunus salicina (29)
Prunus serotina (9)
Prunus serotina var. virens (3)
Prunus serrulata (1)
Prunus sp. (3)
Prunus spinosa (11)
Prunus subcordata (11)
Prunus subhirtella (1)
Prunus tenella (4)
Prunus tomentosa (12)
Prunus triloba (8)
Prunus virginiana (13)
Prunus virginiana var. demissa (29)
Prunus virginiana var. melanocarpa (1)
Psathyrotes annua (18)
Psathyrotes pilifera (6)
Psathyrotes ramosissima (41)
Psathyrotes sp. (1)
Pseudobahia bahiafolia (2)
Pseudobahia bahiifolia (12)
Pseudobahia heermannii (13)
Pseudobahia peirsoni (3)
Pseudobahia peirsonii (13)
Pseudobombax ellipticum (1)
Pseudognaphalium bicolor (3)
Pseudognaphalium biolettii (4)
Pseudognaphalium californicum (7)
Pseudognaphalium canescens (2)
Pseudognaphalium canescens ssp. beneolens (1)
Pseudognaphalium canescens ssp. microcephalum (5)
Pseudognaphalium luteoalbum (9)
Pseudognaphalium microcephalum (1)
Pseudognaphalium ramosissimum (6)
Pseudognaphalium stramineum (12)
Pseudognaphalium thermale (1)
Pseudolachnostylis maprouneifolia (3)
Pseudolaingia hancockii (1)
Pseudolysimachion barrelieri ssp. barrelieri (6)
Pseudorchis albida (3)
Pseudoroegneria spicata (2)
Pseudoroegneria spicata ssp. spicata (4)
Pseudostellaria jamesiana (13)
Pseudostellaria sierrae (14)
Pseudotrillium rivale (1)
Pseudotsuga macrocarpa (17)
Pseudotsuga menziesii (5)
Pseudotsuga menziesii var. glauca (7)
Pseudotsuga menziesii var. menziesii (45)
Pseudotzuga menziesii var. menziesii (1)
Psidium cattleianum (2)
Psidium guajava (1)
Psilocarphus brevissimus (2)
Psilocarphus brevissimus var. brevissimus (29)
Psilocarphus chilensis (1)
Psilocarphus oregonus (3)
Psilocarphus sp. (1)
Psilocarphus tenellus (3)
Psilocarphus tenellus var. globiferus (4)
Psilocarphus tenellus var. tenellus (8)
Psilostrophe cooperi (22)
Psilotum nudum (1)
Psoralea bituminosa (8)
Psoralea macrostachya (1)
Psoralidium lanceolatum (1)
Psorothamnus arborescens (7)
Psorothamnus arborescens var. arborescens (15)
Psorothamnus arborescens var. minutifolius (29)
Psorothamnus arborescens var. simplicifolius (2)
Psorothamnus emoryi (12)
Psorothamnus fremontii (13)
Psorothamnus fremontii var. attenuatus (1)
Psorothamnus fremontii var. fremontii (6)
Psorothamnus polydenius (24)
Psorothamnus schottii (12)
Psorothamnus sp. (1)
Psorothamnus spinosus (39)
Psychopsis papilio (1)
Psychotria mapourioides (12)
Psychotria nervosa (2)
Psychotria rosea (19)
Psygmorchis pusilla (1)
Ptelea crenulata (22)
Ptelea trifoliata (8)
Pteridium aquilinum (32)
Pteridium aquilinum var. pubescens (12)
Pteridium aqulinum (4)
Pteris boliviensis (1)
Pteris dentata (1)
Pteris incompleta (1)
Pteris krameri (1)
Pteris lellingeri (1)
Pteris nuda (1)
Pteris venezuelensis (1)
Pteris websteri (1)
Pterocactus valentinii (2)
Pterocarya (1)
Pterocaulon pycnostachyum (2)
Pterocladiella capillacea (1)
Pterogophora californica (1)
Pterosiphonia paucicorticata (1)
Pterospora andromedae (2)
Pterospora andromedea (87)
Pterostegia drymarioides (27)
Pterygophora californica (6)
Pteryxia petraea (4)
Pteryxia terebinthina var. californica (2)
Pteryxia terebinthina var. terebinthina (1)
Ptilagrostis kingii (3)
Ptilium crista-castrensis (2)
Ptilotus exaltatus (1)
Ptychosperma elegans (1)
Puccinellia howellii (3)
Puccinellia nuttalliana (3)
Puccinellia simplex (1)
Pueraria lobata (12)
Pueraria montana (4)
Pulicaria odora (3)
Pulicaria paludosa (4)
Pulmonaria australis (3)
Pulmonaria obscura (1)
Pulmonaria officinalis (2)
Pulmonaria sp. (2)
Pulsatilla albana ssp. armena (1)
Pulsatilla albana var. flavescens (2)
Pulsatilla alpina (1)
Pulsatilla alpina ssp. alpina (2)
Pulsatilla alpina ssp. millefoliata (3)
Pulsatilla cernua (13)
Pulsatilla montana (6)
Pulsatilla occidentalis (27)
Pulsatilla patens (15)
Pulsatilla patens ssp. multifida (4)
Pulsatilla slavica (1)
Pulsatilla vernalis (1)
Pulsatilla vulgaris (29)
Punica granatum (22)
Punica granatum var. nana (1)
Purshia glandulosa (8)
Purshia mexicana (4)
Purshia mexicana var. stansburyana (18)
Purshia stansburiana (13)
Purshia stansburyana (3)
Purshia tridentata (21)
Purshia tridentata var. glandulosa (4)
Purshia tridentata var. tridentata (18)
Puya alpestris (3)
Puya coerulea var. violacea (1)
Puya laxa (1)
Puya sp. (2)
Puya spthaceae (1)
Puya venusta (2)
Pycnanthemum californicum (8)
Pyracantha angustifolia (5)
Pyracantha coccinea (12)
Pyracantha fortuneana (1)
Pyracantha koidzumii (1)
Pyrethrum leontopodium (4)
Pyrola asarifolia (9)
Pyrola asarifolia ssp. asarifolia (18)
Pyrola elliptica (12)
Pyrola grandflora (1)
Pyrola grandiflora (1)
Pyrola minor (11)
Pyrola picta (46)
Pyrola rotundifolia (6)
Pyrola secuda (1)
Pyrola secunda (2)
Pyrola sp. (3)
Pyrostegia venusta (2)
Pyrrhocactus umadeave (4)
Pyrrhopappus pauciflorus (1)
Pyrrocoma apargioides (22)
Pyrrocoma carthamoides var. cusickii (1)
Pyrrocoma crocea (1)
Pyrrocoma lanceolata (2)
Pyrrocoma lucida (5)
Pyrrocoma racemosa (1)
Pyrrocoma racemosa var. congesta (5)
Pyrrocoma racemosa var. paniculatus (1)
Pyrrocoma racemosa var. sessiliflora (6)
Pyrrocoma uniflora var. gossypina (13)
Pyrrocoma uniflora var. uniflora (7)
Pyrrosa serpens (1)
Pyrus amygdaliformis (9)
Pyrus betulifolia (5)
Pyrus calleryana (1)
Pyrus communis (5)
Pyrus sp. (4)
Pyrus ussuriensis (15)
Pyxidanthera barbulata (1)
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