Pk - Py
| Platanthera bifolia | Waldhyazinthe Weiße | Lesser Butterfly Orchid | Orchidaceae |
| Platanthera chlorantha | Waldhyazinthe Grünliche | Greater Butterfly Orchid | Orchidaceae |
| Platanthera x hybrida | Waldhyazinthe Bastard | Butterfly Orchid | Orchidaceae |
| Plantago afra | Wegerich Flohsamen | Glandular Plantain | Plantaginaceae |
| Plantago albicans | Wegerich Weißliche | Whitish Plantain | Plantaginaceae |
| Plantago algarbiensis | Wegerich Algarve | Algarve Plantain | Plantaginaceae |
| Plantago almogravensis | Wegerich Almograve | Almograve Plantain | Plantaginaceae |
| Plantago alpina | Wegerich Alpen | Alpine Plantain | Plantaginaceae |
| Plantago altissima | Wegerich Hoher | Tall Plantain | Plantaginaceae |
| Plantago amplexicaulis | Wegerich Stängelumfassender | Amplexicaul Plantain | Plantaginaceae |
| Plantago arenaria | Wegerich Sand | Sand Plantain | Plantaginaceae |
| Plantago argentea | Wegerich Silber | Silver Plantain | Plantaginaceae |
| Plantago asperrima | Wegerich Rauer | Rough Plantain | Plantaginaceae |
| Plantago atrata | Wegerich Berg | Dark Plantain | Plantaginaceae |
| Plantago bellardii | Wegerich Haariger | Bellardi's Plantain | Plantaginaceae |
| Plantago cornuti | Wegerich Cornuts | Cornut's Plantain | Plantaginaceae |
| Plantago coronopus | Wegerich Krähenfuß | Buckhorn Plantain | Plantaginaceae |
| Plantago coronopus ssp. occidentalis | Wegerich Westlicher | Western Plantain | Plantaginaceae |
| Plantago crassifolia | Wegerich Dickblättriger | Thick- leaved Plantain | Plantaginaceae |
| Plantago cretica | Wegerich Kretischer | Cretan Plantain | Plantaginaceae |
| Plantago crypsoides | Wegerich Dickstängeliger | North- African Plantain | Plantaginaceae |
| Plantago gentianoides | Wegerich Enzianähnlicher | Gentian- like Plantain | Plantaginaceae |
| Plantago holosteum | Wegerich Pfriemenblättriger | Awl- leaved Plantain | Plantaginaceae |
| Plantago lagopus | Wegerich Hasenfuß | Hare's Foot Plantain | Plantaginaceae |
| Plantago lanceolata | Wegerich Spitz | Narrow- leaved Plantain | Plantaginaceae |
| Plantago loeflingii | Wegerich Löflings | Loefling's Plantain | Plantaginaceae |
| Plantago macrorhiza | Wegerich Großwurzeliger | Coastal Plantain | Plantaginaceae |
| Plantago major | Wegerich Breit | Grand Plantain | Plantaginaceae |
| Plantago maritima | Wegerich Strand | Sea Plantain | Plantaginaceae |
| Plantago monosperma | Wegerich Einsamiger | One-fruited Plantain | Plantaginaceae |
| Plantago media | Wegerich Mittlerer | Hoary Plantain | Plantaginaceae |
| Plantago nivalis | Wegerich Schnee | Snow Plantain | Plantaginaceae |
| Plantago notata | Wegerich Gezeichneter | Marged Plantain | Plantaginaceae |
| Plantago ovata | Wegerich Ovaler | Oval Plantain | Plantaginaceae |
| Plantago peloritana | Peloritani Krähenfuß | Peloritani Plantain | Plantaginaceae |
| Plantago phaeostoma | Wegerich Braunfleckiger | Brown- eyed Plantain | Plantaginaceae |
| Plantago reniformis | Wegerich Nierenförmiger | Kidney- shaped Plantain | Plantaginaceae |
| Plantago schwarzenbergiana | Wegerich Siebenbürgischer | Transsylvanian Plantain | Plantaginaceae |
| Plantago sempervirens | Wegerich Strauch | Evergreen Plantain | Plantaginaceae |
| Plantago serraria | Wegerich Gezähnter | Toothed Plantain | Plantaginaceae |
| Plantago squarrosa | Wegerich Tragblatt | Bracted Plantain | Plantaginaceae |
| Plantago strictissima | Wegerich Schlangen | Fleshy Plantain | Plantaginaceae |
| Plantago subulata | Wegerich Pfriemenblättriger | Awl- leaved Plantain | Plantaginaceae |
| Plantago tenuiflora | Wegerich Dünnähren | Sparse- flowered Plantain | Plantaginaceae |
| Platanus occidentalis | Platane Abendländische | American Plane- Tree | Platanaceae |
| Platanus orientalis | Platane Morgenländische | Oriental Plane- Tree | Platanaceae |
| Platanus x hybrida | Platane Bastard | London Plane- Tree | Platanaceae |
| Plocama calabrica | Putorie Kalabrische | Stinking Madder | Rubiaceae |
| Plumbago auriculata | Bleiwurz Kapländische | Blue Leadwort | Plumbaginaceae |
| Plumbago europaea | Bleiwurz Europäische | European Leadwort | Plumbaginaceae |
| Polemonium caeruleum | Himmelsleiter Blaue | Blue Jacob's Ladder | Polemoniaceae |
| Polycarpon alsinifolium | Nagelkraut Mierenblättriges | Chickweed Manyseed | Caryophyllaceae |
| Polycarpon diphyllum | Nagelkraut Zweiblättriges | Twoleaf Manyseed | Caryophyllaceae |
| Polycarpon dunense | Nagelkraut Dünen | Herniaria- like Manyseed | Caryophyllaceae |
| Polycarpon herniarioides | Nagelkraut Bruchkrautähnliches | Herniaria- like Manyseed | Caryophyllaceae |
| Polycarpon polycarpoides | Nagelkraut Vielfrüchtiges | Manyfruited Manyseed | Caryophyllaceae |
| Polycarpon tetraphyllum | Nagelkraut Vierblättriges | Fourleaf Manyseed | Caryophyllaceae |
| Polycnemum arvense | Knorpelkraut Acker | Field Needleleaf | Chenopodiaceae |
| Polycnemum heuffelii | Knorpelkraut Heuffels | Heuffel's Needleleaf | Chenopodiaceae |
| Polycnemum majus | Knorpelkraut Großes | Giant Needleleaf | Chenopodiaceae |
| Polycnemum verrucosum | Knorpelkraut Warzen | Warty Needleleaf | Chenopodiaceae |
| Polygala alpestris | Kreuzblümchen Alpen | Mountain Milkwort | Polygalaceae |
| Polygala alpina | Kreuzblümchen Westalpen | Alpine Milkwort | Polygalaceae |
| Polygala amara | Kreuzblümchen Bitteres | Bitter Milkwort | Polygalaceae |
| Polygala amarella | Kreuzblümchen Sumpf | Dwarf Milkwort | Polygalaceae |
| Polygala anatolica | Kreuzblümchen Anatolisches | Anatolian Milkwort | Polygalaceae |
| Polygala apiculata | Kreuzblümchen Kalabrisches | Calabrian Milkwort | Polygalaceae |
| Polygala baetica | Kreuzblümchen Baetisches | Baetian Milkwort | Polygalaceae |
| Polygala balansae | Kreuzblümchen Balansas | Balansa's Milkwort | Polygalaceae |
| Polygala boissieri | Kreuzblümchen Boissiers | Boissier's Milkwort | Polygalaceae |
| Polygala calcarea | Kreuzblümchen Kalk | Chalk Milkwort | Polygalaceae |
| Polygala carueliana | Kreuzblümchen Apuanisches | Caruel's Milkwort | Polygalaceae |
| Polygala chamaebuxus | Kreuzblümchen Buchsblättriges | Shrubby Milkwort | Polygalaceae |
| Polygala comosa | Kreuzblümchen Schopf | Tufted Milkwort | Polygalaceae |
| Polygala crista- galli | Kreuzblümchen Hahnenkamm | Cock's Milkwort | Polygalaceae |
| Polygala curtissii | Kreuzblümchen Appalachen | Appalachian Milkwort | Polygalaceae |
| Polygala doerfleri | Kreuzblümchen Albanisches | Doerfler's Milkwort | Polygalaceae |
| Polygala edmundi | Kreuzblümchen Edmunds | Edmund's Milkwort | Polygalaceae |
| Polygala exilis | Kreuzblümchen Zartes | Slight Milkwort | Polygalaceae |
| Polygala flavescens | Kreuzblümchen Gelbes | Yellow Milkwort | Polygalaceae |
| Polygala major | Kreuzblümchen Großes | Large Milkwort | Polygalaceae |
| Polygala microphylla | Kreuzblümchen Kleinblättriges | Small- leaved Milkwort | Polygalaceae |
| Polygala monspeliaca | Kreuzblümchen Montpellier | Mediterranean Milkwort | Polygalaceae |
| Polygala myrtifolia | Kreuzblümchen Myrtenblättriges | Myrtle- leaved Milkwort | Polygalaceae |
| Polygala nicaeensis | Kreuzblümchen Nizza | Nice Milkwort | Polygalaceae |
| Polygala nicaeensis ssp. tomentella | Kreuzblümchen Wolliges | Hairy Milkwort | Polygalaceae |
| Polygala padulae | Kreuzblümchen Padulas | Padula's Milkwort | Polygalaceae |
| Polygala preslii | Kreuzblümchen Presls | Presl's Milkwort | Polygalaceae |
| Polygala rausiana | Kreuzblümchen Raus' | Raus's Milkwort | Polygalaceae |
| Polygala rupestris | Kreuzblümchen Felsen | Rock Milkwort | Polygalaceae |
| Polygala sardoa | Kreuzblümchen Sardisches | Sardinian Milkwort | Polygalaceae |
| Polygala saxatilis | Kreuzblümchen Stein | Rock Milkwort | Polygalaceae |
| Polygala serpyllifolia | Kreuzblümchen Quendel | Heath Milkwort | Polygalaceae |
| Polygala sfikasiana | Kreuzblümchen Sfikas' | Sfikas's Milkwort | Polygalaceae |
| Polygala sinisica | Kreuzblümchen Sinis | Sinis Milkwort | Polygalaceae |
| Polygala subuniflora | Kreuzblümchen Einblütiges | One- flowered Milkwort | Polygalaceae |
| Polygala supina | Kreuzblümchen Niederliegendes | Supine Milkwort | Polygalaceae |
| Polygala vayredae | Kreuzblümchen Vayredas | Vayreda's Milkwort | Polygalaceae |
| Polygala venulosa | Kreuzblümchen Geadertes | Eastern Milkwort | Polygalaceae |
| Polygala vulgaris | Kreuzblümchen Gewöhnliches | Common Milkwort | Polygalaceae |
| Polygala webbiana | Kreuzblümchen Webbs | Webb's Milkwort | Polygalaceae |
| Polygonatum latifolium | Weißwurz Breitblättrige | Broadleaf Solomon's Seal | Convallariaceae |
| Polygonatum multiflorum | Weißwurz Vielblütige | Eurasian Solomon's Seal | Convallariaceae |
| Polygonatum odoratum | Salomonssiegel | Angular Solomon's Seal | Convallariaceae |
| Polygonatum verticillatum | Weißwurz Quirlblütige | Whorled Solomon's Seal | Convallariaceae |
| Polygonatum x hybridum | Weißwurz Bastard | Garden Solomon's Seal | Convallariaceae |
| Polygonum arenarium | Vogelknöterich Sand | Sand Knotweed | Polygonaceae |
| Polygonum arenastrum | Vogelknöterich Trittrasen | Oval- leaf Knotweed | Polygonaceae |
| Polygonum aviculare | Vogelknöterich Echter | Prostrate Knotweed | Polygonaceae |
| Polygonum bellardii | Vogelknöterich Ungarischer | Narrowleaf Knotweed | Polygonaceae |
| Polygonum equisetiforme | Vogelknöterich Schachtelhalm | Horsetail Knotweed | Polygonaceae |
| Polygonum idaeum | Vogelknöterich Ida | Psiloritis' Knotweed | Polygonaceae |
| Polygonum maritimum | Vogelknöterich Küsten | Sea Knotweed | Polygonaceae |
| Polygonum oxyspermum | Vogelknöterich Strand | Beach Knotweed | Polygonaceae |
| Polygonum raii | Vogelknöterich Rays | Ray's Knotweed | Polygonaceae |
| Polygonum robertii | Vogelknöterich Roberts | Robert's Knotweed | Polygonaceae |
| Polygonum romanum | Vogelknöterich Römischer | Roman Knotweed | Polygonaceae |
| Polygonum scoparium | Vogelknöterich Besen | Broom Knotweed | Polygonaceae |
| Polygonum tenorei | Vogelknöterich Tenores | Tenore's Knotweed | Polygonaceae |
| Polypodium cambricum | Tüpfelfarn Südlicher | Southern Polypody | Polypodiaceae |
| Polypodium interjectum | Tüpfelfarn Mittlerer | Intermediate Polypody | Polypodiaceae |
| Polypodium vulgare | Tüpfelfarn Gewöhnlicher | Common Polypody | Polypodiaceae |
| Polypogon maritimus | Bürstengras Mittelmeer | Mediterranean Rabbitsfoot Grass | Poaceae |
| Polypogon monspeliensis | Bürstengras Gewöhnliches | Annual Rabbitsfoot Grass | Poaceae |
| Polypogon viridis | Bürstengras Grünes | Beardless Rabbitsfoot Grass | Poaceae |
| Polystichum aculeatum | Schildfarn Gelappter | Prickly Shieldfern | Dryopteridaceae |
| Polystichum braunii | Schildfarn Brauns | Braun's Shieldfern | Dryopteridaceae |
| Polystichum lonchitis | Schildfarn Lanzen | Northerrn Shieldfern | Dryopteridaceae |
| Polystichum munitum | Schildfarn Westamerikanischer | Western Shieldfern | Dryopteridaceae |
| Polystichum setiferum | Schildfarn Grannen | Soft Shieldfern | Dryopteridaceae |
| Poncirus trifoliata | Bitterzitrone Dreiblättrige | Japanese Bitter- Orange | Rutaceae |
| Pontederia cordata | Hechtkraut Herzblättriges | Pickerelweed | Pontederiaceae |
| Populus alba | Pappel Silber | White Poplar | Salicaceae |
| Populus balsamifera | Pappel Balsam | Balm Poplar | Salicaceae |
| Populus deltoides | Pappel Nordamerikanische Schwarz | Cottonwood Poplar | Salicaceae |
| Populus nigra | Pappel Schwarz | Black Poplar | Salicaceae |
| Populus tremula | Pappel Zitter | European Aspen | Salicaceae |
| Populus trichocarpa | Pappel Westliche Balsam | Western Balm Poplar | Salicaceae |
| Populus x berolinensis | Pappel Berliner | Berlin Poplar | Salicaceae |
| Populus x canadensis | Pappel Kanadische | Carolina Poplar | Salicaceae |
| Populus x canescens | Pappel Grau | Grey Poplar | Salicaceae |
| Portulaca grandiflora | Portulak Großblütiger | Moss Rose Purslane | Portulacaceae |
| Portulaca oleraceae | Portulak Gemüse | Common Purslane | Portulacaceae |
| Portulaca umbraticola | Portulak Flachblättriger | Wingpod Purslane | Portulacaceae |
| Potamogeton acutifolius | Laichkraut Spitzblättriges | Sharp- leaved Pondweed | Potamogetonaceae |
| Potamogeton alpinus | Laichkraut Alpen | Alpine Pondweed | Potamogetonaceae |
| Potamogeton berchtoldii | Laichkraut Berchtolds | Berchtold's Pondweed | Potamogetonaceae |
| Potamogeton coloratus | Laichkraut Gefärbtes | Fen Pondweed | Potamogetonaceae |
| Potamogeton compressus | Laichkraut Flachstängeliges | Grass Wrack Pondweed | Potamogetonaceae |
| Potamogeton crispus | Laichkraut Krauses | Curly Pondweed | Potamogetonaceae |
| Potamogeton filifornis | Laichkraut Faden | Fineleaf Pondweed | Potamogetonaceae |
| Potamogeton friesii | Laichkraut Stachelspitziges | Fries's Pondweed | Potamogetonaceae |
| Potamogeton gramineus | Laichkraut Gras | Variableleaf Pondweed | Potamogetonaceae |
| Potamogeton lucens | Laichkraut Spiegelndes | Shining Pondweed | Potamogetonaceae |
| Potamogeton natans | Laichkraut Schwimmendes | Floating Pondweed | Potamogetonaceae |
| Potamogeton nodosus | Laichkraut Knoten | Longleaf Pondweed | Potamogetonaceae |
| Potamogeton obtusifolius | Laichkraut Stumpfblättriges | Bluntleaf Pondweed | Potamogetonaceae |
| Potamogeton pectinatus | Laichkraut Kamm | Fennel Pondweed | Potamogetonaceae |
| Potamogeton perfoliatus | Laichkraut Durchwachsenes | Claspingleaf Pondweed | Potamogetonaceae |
| Potamogeton polygonifolius | Laichkraut Knöterich | Bog Pondweed | Potamogetonaceae |
| Potamogeton praelongus | Laichkraut Gestrecktes | Whitestem Pondweed | Potamogetonaceae |
| Potamogeton pusillus | Laichkraut Zwerg | Small Pondweed | Potamogetonaceae |
| Potamogeton rutilus | Laichkraut Rötliches | Shetland Pondweed | Potamogetonaceae |
| Potamogeton schweinfurthii | Laichkraut Schweinfurths | Schweinfurth's Pondweed | Potamogetonaceae |
| Potamogeton trichoides | Laichkraut Haarblättriges | Hairlike Pondweed | Potamogetonaceae |
| Potamogeton x angustifolius | Laichkraut Schmalblättriges | Narrow- leaved Pondweed | Potamogetonaceae |
| Potamogeton x nitens | Laichkraut Glanz | Glossy Pondweed | Potamogetonaceae |
| Potamogeton x salicifolius | Laichkraut Weidenblättriges | Willow- leaved Pondweed | Potamogetonaceae |
| Potentilla alba | Fingerkraut Weißes | White Cinquefoil | Rosaceae |
| Potentilla alchimilloides | Fingerkraut Frauenmantel | Alchemilla- like Cinquefoil | Rosaceae |
| Potentilla anglica | Fingerkraut Englisches | English Cinquefoil | Rosaceae |
| Potentilla anserina | Fingerkraut Gänse | Silverweed Cinquefoil | Rosaceae |
| Potentilla apennina ssp. apennina | Fingerkraut Apenninen | Appenenan Cinquefoil | Rosaceae |
| Potentilla apennina ssp. stojanovii | Fingerkraut Stojanovs | Stojanovs Cinquefoil | Rosaceae |
| Potentilla arcadiensis | Fingerkraut Arkadisches | Arcadian Cinquefoil | Rosaceae |
| Potentilla argentea | Fingerkraut Silber | Silvery Cinquefoil | Rosaceae |
| Potentilla astracanica | Fingerkraut Astrachan | Astrakhanian Cinquefoil | Rosaceae |
| Potentilla asturica | Fingerkraut Asturisches | Asturian Cinquefoil | Rosaceae |
| Potentilla aurea ssp. aurea | Fingerkraut Gold Gewöhnliches | Common Golden Cinquefoil | Rosaceae |
| Potentilla aurea ssp. crysocraspeda | Fingerkraut Gold Dreiblättriges | Three- leaved Golden Cinquefoil | Rosaceae |
| Potentilla brauneana | Fingerkraut Zwerg | Dwarf Cinquefoil | Rosaceae |
| Potentilla carniolica | Fingerkraut Krainer | Carniolian Cinquefoil | Rosaceae |
| Potentilla caulescens | Fingerkraut Stängel | Lax Cinquefoil | Rosaceae |
| Potentilla cinerea | Fingerkraut Aschgraues | Grey Cinquefoil | Rosaceae |
| Potentilla clusiana | Fingerkraut Ostalpen | Clusius's Cinquefoil | Rosaceae |
| Potentilla crantzii | Fingerkraut Zottiges | Alpine Cinquefoil | Rosaceae |
| Potentilla crassinervia | Fingerkraut Sardisches | Sardinian Cinquefoil | Rosaceae |
| Potentilla delphinensis | Fingerkraut Dauphine | Dauphine Cinquefoil | Rosaceae |
| Potentilla deorum | Fingerkraut Götter | Olympian Cinquefoil | Rosaceae |
| Potentilla detommasii | Fingerkraut De Tommasis | De Tommasi's Cinquefoil | Rosaceae |
| Potentilla doerfleri | Fingerkraut Dörflers | Doerfler's Cinquefoil | Rosaceae |
| Potentilla erecta | Blutwurz | Erect Cinquefoil | Rosaceae |
| Potentilla frigida | Fingerkraut Gletscher | Glacier Cinquefoil | Rosaceae |
| Potentilla grammopetala | Fingerkraut Schmalkronblättriges | Creamy Cinquefoil | Rosaceae |
| Potentilla grandiflora | Fingerkraut Großblütiges | Large- flowered Cinquefoil | Rosaceae |
| Potentilla greuteriana | Fingerkraut Greuters | Greuter's Cinquefoil | Rosaceae |
| Potentilla haynaldiana | Fingerkraut Haynalds | Haynald's Cinquefoil | Rosaceae |
| Potentilla heptaphylla | Fingerkraut Rötliches | Seven- leaved Cinquefoil | Rosaceae |
| Potentilla hirta | Fingerkraut Rauhaariges | Hairy Cinquefoil | Rosaceae |
| Potentilla hispanica | Fingerkraut Spanisches | Spanish Cinquefoil | Rosaceae |
| Potentilla incana | Fingerkraut Sand | Sand Cinquefoil | Rosaceae |
| Potentilla inclinata | Fingerkraut Graues | Ashy Cinquefoil | Rosaceae |
| Potentilla indica | Fingerkraut Scheinerdbeer- | Indian Strawberry | Rosaceae |
| Potentilla intermedia | Fingerkraut Mittleres | Downy Cinquefoil | Rosaceae |
| Potentilla kionaea | Fingerkraut Giona | Mt. Giona Cinquefoil | Rosaceae |
| Potentilla leucopolitana | Fingerkraut Weißenburger | Wissembourg Cinquefoil | Rosaceae |
| Potentilla lindackeri | Fingerkraut Lindackers | Lindacker's Cinquefoil | Rosaceae |
| Potentilla micrantha | Fingerkraut Kleinblütiges | Pink- Barren Cinquefoil | Rosaceae |
| Potentilla montana | Fingerkraut Berg | Mountain Cinquefoil | Rosaceae |
| Potentilla montenegrina | Fingerkraut Montenegriner | Montenegrian Cinquefoil | Rosaceae |
| Potentilla multifida | Fingerkraut Vielspaltiges | Cut- leaved Cinquefoil | Rosaceae |
| Potentilla nevadensis | Fingerkraut Sierra Nevada | Sierra Nevada Cinquefoil | Rosaceae |
| Potentilla nitida | Fingerkraut Dolomiten | Pink Cinquefoil | Rosaceae |
| Potentilla nivalis | Fingerkraut Schnee | Snow Cinquefoil | Rosaceae |
| Potentilla nivea | Fingerkraut Schneeweißes | Snow- white Cinquefoil | Rosaceae |
| Potentilla norvegica | Fingerkraut Norwegisches | Norwegian Cinquefoil | Rosaceae |
| Potentilla patula | Fingerkraut Ausgebreitetes | Spreading Cinquefoil | Rosaceae |
| Potentilla pedata | Fingerkraut Fußblättriges | Foot- leaved Cinquefoil | Rosaceae |
| Potentilla pensylvanica | Fingerkraut Pennsylvanisches | Prairie Cinquefoil | Rosaceae |
| Potentilla pindicola | Fingerkraut Pindos | Pindus Cinquefoil | Rosaceae |
| Potentilla praecox | Fingerkraut Schaffhauser | Early- flowering Cinquefoil | Rosaceae |
| Potentilla pusilla | Fingerkraut Flaum | Little Cinquefoil | Rosaceae |
| Potentilla psammophila | Fingerkraut Sandliebendes | Sand- liking Cinquefoil | Rosaceae |
| Potentilla pyrenaica | Fingerkraut Pyrenäen | Pyrenean Cinquefoil | Rosaceae |
| Potentilla recta | Fingerkraut Aufrechtes | Sulphur Cinquefoil | Rosaceae |
| Potentilla reptans | Fingerkraut Kriechendes | Creeping Cinquefoil | Rosaceae |
| Potentilla rhenana | Fingerkraut Rheinisches | Rhine Cinquefoil | Rosaceae |
| Potentilla reuteri | Fingerkraut Reuters | Reuter's Cinquefoil | Rosaceae |
| Potentilla saxifraga | Fingerkraut Polster | Tufted Cinquefoil | Rosaceae |
| Potentilla schultzii | Fingerkraut Schultz' | Schultz's Cinquefoil | Rosaceae |
| Potentilla speciosa | Fingerkraut Prächtiges | Magnificent Cinquefoil | Rosaceae |
| Potentilla sterilis | Fingerkraut Erdbeer | Strawberry- leaved Cinquefoil | Rosaceae |
| Potentilla supina | Fingerkraut Niedriges | Carpet Cinquefoil | Rosaceae |
| Potentilla thuringiaca | Fingerkraut Thüringer | Thuringian Cinquefoil | Rosaceae |
| Potentilla tridentula | Fingerkraut Drizähniges | Three- toothed Cinquefoil | Rosaceae |
| Potentilla valderia | Fingerkraut Seealpen | Valdieri Cinquefoil | Rosaceae |
| Potentilla verna | Fingerkraut Frühlings | Spring Cinquefoil | Rosaceae |
| Potentilla visianii | Fingerkraut Visianis | Visiani's Cinquefoil | Rosaceae |
| Potentilla wismariensis | Fingerkraut Wismarer | Wismar Cinquefoil | Rosaceae |
| Prangos ferulacea | Steckenkraut Geripptes | Ribbed Cachrys | Apiaceae |
| Prangos trifida | Steckenkraut Dreiteiliges | Trifid Cachrys | Apiaceae |
| Prasium majus | Klippenziest Großer | White Hedgenettle | Lamiaceae |
| Prenanthes purpurea | Hasenlattich Gewöhnlicher | Purple Lettuce | Asteraceae |
| Primula albenensis | Primel Monte Alben | Monte Alben Primrose | Primulaceae |
| Primula allionii | Primel Allionis | Allioni's Primrose | Primulaceae |
| Primula apennina | Primel Apenninen | Apennine Primrose | Primulaceae |
| Primula auricula | Aurikel Alpen | Auricula Primrose | Primulaceae |
| Primula balbisii | Aurikel Balbisis | Balbisi's Primrose | Primulaceae |
| Primula carniolica | Primel Krainer | Carniolian Primrose | Primulaceae |
| Primula clusiana | Primel Clusius' | European Alpine Primrose | Primulaceae |
| Primula daonensis | Primel Inntaler | Stinking Primrose | Primulaceae |
| Primula elatior | Schlüsselblume Hohe | Ox's- lip Primrose | Primulaceae |
| Primula farinosa | Primel Mehl | Bird's eye Primrose | Primulaceae |
| Primula glaucescens | Primel Meergrüne | Glaucous Primrose | Primulaceae |
| Primula glutinosa | Primel Klebrige | Sticky Primrose | Primulaceae |
| Primula halleri | Primel Hallers | Haller's Primrose | Primulaceae |
| Primula hirsuta | Primel Behaarte | Stinking Primrose | Primulaceae |
| Primula integrifolia | Primel Ganzrandige | Entire- leaved Primrose | Primulaceae |
| Primula kitaibeliana | Primel Dinarische | Kitaibel's Primrose | Primulaceae |
| Primula latifolia | Primel Breitblättrige | Viscid Primrose | Primulaceae |
| Primula marginata | Primel Gewelltrandige | Marginate Primrose | Primulaceae |
| Primula minima | Primel Zwerg | Fairy Primrose | Primulaceae |
| Primula palinuri | Aurikel Palinuro | Palinuro Primrose | Primulaceae |
| Primula pedemontana | Primel Piemonteser | Piedmont Primrose | Primulaceae |
| Primula recubariensis | Primel Lessinische | Recuaro Primrose | Primulaceae |
| Primula spectabilis | Primel Prächtige | Spectacular Primrose | Primulaceae |
| Primula tyrolensis | Primel Südtiroler | Tyrolean Primrose | Primulaceae |
| Primula veris | Schlüsselblume Wiesen | Cow's-lip Primrose | Primulaceae |
| Primula villosa | Primel Zottige | Villous Primrose | Primulaceae |
| Primula vulgaris | Schlüsselblume Stängellose | Common Primrose | Primulaceae |
| Primula wulfeniana | Primel Wulfens | Wulfen's Primrose | Primulaceae |
| Primula x pubescens | Aurikel Bastard | Pubescent Primrose | Primulaceae |
| Primula x variabilis | Schlüsselblume Bastard | False Ox's- lip Primrose | Primulaceae |
| Primula x venusta | Primel Anmutige | Beautiful Primrose | Primulaceae |
| Prunella cretensis | Braunelle Kretische | Cretan Selfheal | Lamiaceae |
| Prunella grandiflora | Braunelle Großblütige | Large Selfheal | Lamiaceae |
| Prunella hyssopifolia | Braunelle Ysopblättrige | Hyssop- leaved Selfheal | Lamiaceae |
| Prunella laciniata | Braunelle Weiße | Cutleaf Selfheal | Lamiaceae |
| Prunella vulgaris | Braunelle Gewöhnliche | Common Selfheal | Lamiaceae |
| Prunella x dissecta | Braunelle Eingeschnittene | Two- coloured Selfheal | Lamiaceae |
| Prunella x intermedia | Braunelle Mittlere | Intermediate Selfheal | Lamiaceae |
| Prunella x spuria | Braunelle Bastard | Bastard Selfheal | Lamiaceae |
| Prunus armeniaca | Aprikose | Apricot | Rosaceae |
| Prunus avium | Kirsche Süß | Sweet Cherry | Rosaceae |
| Prunus brigantina | Pflaume Briancon | Marmot Plum | Rosaceae |
| Prunus cerasifera | Kirschpflaume | Cherry Plum | Rosaceae |
| Prunus cerasus | Kirsche Sauer | Sour Cherry | Rosaceae |
| Prunus cocomilia | Pflaume Italienische | Italian Plum | Rosaceae |
| Prunus domestica | Pflaume | Plum | Rosaceae |
| Prunus dulcis | Mandel Echte | Sweet Almond | Rosaceae |
| Prunus fruticosa | Kirsche Strauch | European Dwarf Cherry | Rosaceae |
| Prunus graeca | Mandel Griechische | Greek Almond | Rosaceae |
| Prunus laurocerasus | Lorbeerkirsche Pontische | Cherry Laurel | Rosaceae |
| Prunus lusitanica | Lorbeerkirsche Portugiesische | Portuguese Laurel | Rosaceae |
| Prunus mahaleb | Kirsche Felsen | Mahaleb Cherry | Rosaceae |
| Prunus padus | Traubenkirsche Gewöhnliche | European Bird Cherry | Rosaceae |
| Prunus persica | Pfirsich | Peach | Rosaceae |
| Prunus prostrata | Kirsch- Mandel Niederliegende | Mountain- Cherry | Rosaceae |
| Prunus ramburii | Schlehe Ramburs | Rambur's Blackthorn | Rosaceae |
| Prunus serotina | Traubenkirsche Späte | Black Cherry | Rosaceae |
| Prunus spinosa | Schlehe Gewöhnliche | Common Blackthorn | Rosaceae |
| Prunus tenella | Mandel Zwerg | Russian Almond | Rosaceae |
| Prunus virginiana | Traubenkirsche Virginische | Choke Cherry | Rosaceae |
| Prunus webbii | Mandel Webbs | Webb's Almond | Rosaceae |
| Pseudorlaya minuscula | Zwergmöhre Kleinste | Smallest Carot | Apiaceae |
| Pseudorlaya pumila | Zwergmöhre Kleine | Dune Carot | Apiaceae |
| Pseudorchis albida | Weißzüngel | Vanilla- scented Bog Orchid | Orchidaceae |
| Pseudoscabiosa grosii | Pseudoskabiose Gros | Gros' Scabious | Dipsacaceae |
| Pseudoscabiosa limonifolia | Pseudoskabiose Strandfliederblättrige | Sea-lavender-leaved Scabious | Dipsacaceae |
| Pseudoscabiosa saxatilis | Pseudoskabiose Felsen | Rock Scabious | Dipsacaceae |
| Psilotum nudum | Gabelblatt Nacktes | Whisk Fern | Psilotaceae |
| Ptelea trifoliata | Kleeulme Dreiblättrige | Common Hoptree | Rutaceae |
| Pteridium aquilinum | Adlerfarn Gewöhnlicher | Southern Bracken | Dennstaedtiaceae |
| Pteris cretica | Saumfarn Kretischer | Cretan Brake | Pteridaceae |
| Pteris dentata | Saumfarn Gezähnter | Toothed Brake | Pteridaceae |
| Pteris incompleta | Saumfarn Unvollständiger | Spider Brake | Pteridaceae |
| Pteris vittata | Saumfarn Gebänderter | Ladder Brake | Pteridaceae |
| Pterocephalidium diandrum | Flügelkopf Zweimänniger | Two- Stamen Scabious | Dipsacaceae |
| Pterocephalus brevis | Federkopf Kurzer | Plumed Scabious | Dipsacaceae |
| Pterocephalus perennis | Federkopf Felsen | Mount Parnassus Scabious | Dipsacaceae |
| Pterocephalus pinnardii | Federkopf Pinards | Pinard's Scabious | Dipsacaceae |
| Pterocephalus plumosus | Federkopf Haarkranz | Downy- headed Scabious | Dipsacaceae |
| Pterocephalus spathulathus | Federkopf Spatelblättriger | Spathulate Scabious | Dipsacaceae |
| Pterospartum tridentatum | Ginster Dreizähniger | Three- toothed Broom | Fabaceae |
| Ptilostemon afer | Elfenbeindistel Balkan | Greek Ptilostemon | Dipsacaceae |
| Ptilostemon casabonae | Elfenbeindistel Casabonas | Casabona's Ptilostemon | Dipsacaceae |
| Ptilostemon chamaepeuce | Elfenbeindistel Scheinfichtenblättrige | Shrubby Ptilostemon | Dipsacaceae |
| Ptilostemon gnaphaloides | Elfenbeindistel Filzige | Tomentose Ptilostemon | Dipsacaceae |
| Ptilostemon greuteri | Elfenbeindistel Greuters | Greuter's Ptilostemon | Dipsacaceae |
| Ptilostemon hispanicus | Elfenbeindistel Spanische | Spanish Ptilostemon | Dipsacaceae |
| Ptilostemon niveus | Elfenbeindistel Schneeweiße | Snowwhite Ptilostemon | Dipsacaceae |
| Ptilostemon stellatus | Elfenbeindistel Stern | Tomentose Ptilostemon | Dipsacaceae |
| Ptilostemon strictus | Elfenbeindistel Steife | Stiff Ptilostemon | Dipsacaceae |
| Pulicaria dysenterica | Flohkraut Großes | Common Fleabane | Asteraceae |
| Pulicaria odora | Flohkraut Duftendes | Mediterranean Fleabane | Asteraceae |
| Pulicaria paludosa | Flohkraut Sumpf | Spanish Fleabane | Asteraceae |
| Pulicaria sicula | Flohkraut Sizilianisches | Sicilian Fleabane | Asteraceae |
| Pulicaria vulgaris | Flohkraut Kleines | Small Fleabane | Asteraceae |
| Pulmonaria affinis | Lungenkraut Ähnliches | Related Lungwort | Boraginaceae |
| Pulmonaria angustifolia | Lungenkraut Schmalblättriges | Narrow- leaved Lungwort | Boraginaceae |
| Pulmonaria apennina | Lungenkraut Apenninen | Appenine Lungwort | Boraginaceae |
| Pulmonaria australis | Lungenkraut Südliches | Southern Lungwort | Boraginaceae |
| Pulmonaria carnica | Lungenkraut Kärntner | Carinthian Lungwort | Boraginaceae |
| Pulmonaria cesatiana | Lungenkraut Cesati | Cesati's Lungwort | Boraginaceae |
| Pulmonaria collina | Lungenkraut Hügel | Hill Lungwort | Boraginaceae |
| Pulmonaria dacica | Lungenkraut Siebenbürgisches | Bohemian Lungwort | Boraginaceae |
| Pulmonaria helvetica | Lungenkraut Schweizer | Swiss Lungwort | Boraginaceae |
| Pulmonaria kerneri | Lungenkraut Kerners | Kerner's Lungwort | Boraginaceae |
| Pulmonaria longifolia | Lungenkraut Langblättriges | Long- leaved Lungwort | Boraginaceae |
| Pulmonaria mollis | Lungenkraut Weiches | Soft Lungwort | Boraginaceae |
| Pulmonaria montana | Lungenkraut Knolliges | Mountain Lungwort | Boraginaceae |
| Pulmonaria obscura | Lungenkraut Dunkles | Suffolk Lungwort | Boraginaceae |
| Pulmonaria officinalis | Lungenkraut Echtes | Common Lungwort | Boraginaceae |
| Pulmonaria rubra | Lungenkraut Rotes | Red Lungwort | Boraginaceae |
| Pulmonaria saccharata | Lungenkraut Zucker | Bethlehem Lungwort | Boraginaceae |
| Pulmonaria stiriaca | Lungenkraut Steirisches | Styrian Lungwort | Boraginaceae |
| Pulmonaria vallarsae | Lungenkraut Italienisches | Vallarsa- Lungwort | Boraginaceae |
| Pulsatilla alpina | Kuhschelle Alpen | Alpine Pasqueflower | Ranunculaceae |
| Pulsatilla halleri | Kuhschelle Hallers | Haller's Pasqueflower | Ranunculaceae |
| Pulsatilla montana | Kuhschelle Berg | Mountain Pasqueflower | Ranunculaceae |
| Pulsatilla patens | Kuhschelle Finger | Eastern Pasqueflower | Ranunculaceae |
| Pulsatilla pratensis | Kuhschelle Wiesen | Small Pasqueflower | Ranunculaceae |
| Pulsatilla rubra | Kuhschelle Rote | Red Pasqueflower | Ranunculaceae |
| Pulsatilla vernalis | Kuhschelle Frühlings | Alpine Pasqueflower | Ranunculaceae |
| Pulsatilla vulgaris | Kuhschelle Gewöhnliche | Common Pasqueflower | Ranunculaceae |
| Punica granatum | Granatapfel Gewöhnlicher | Pomegranate | Lythraceae |
| Puschkinia scilloides | Puschkinie Scillaähnliche | Striped Squill | Hyacinthaceae |
| Pyracantha coccinea | Feuerdorn Mittelmeer | Scarlet Firethorn | Rosaceae |
| Pyrola media | Wintergrün Mittleres | Intermediate Wintergreen | Ericaceae |
| Pyrola minor | Wintergrün Kleines | Snowline Wintergreen | Ericaceae |
| Pyrus bourgaeana | Birne Bourgeaus | Bourgeau's Pear | Rosaceae |
| Pyrus castribonensis | Birne Castelbueno | Castelbueno Pear | Rosaceae |
| Pyrus ciancioi | Birne Ciancios | Ciancio's Pear | Rosaceae |
| Pyrus communis | Birne Kultur | Common Pear | Rosaceae |
| Pyrus cordata | Birne Herzblättrige | Plymouth Pear | Rosaceae |
| Pyrus elaeagrifolia | Birne Ölbaumblättrige | Silverberry- leaved Pear | Rosaceae |
| Pyrus nivalis | Birne Schnee | Snow- Pear | Rosaceae |
| Pyrus pyraster | Birne Holz | Wild Pear | Rosaceae |
| Pyrus sicanorum | Birne Mt. Siacano | Mt. Sicano Pear | Rosaceae |
| Pyrus spinosa | Birne Dornige | Almond- leaved Pear | Rosaceae |
| Pyrus vallis- demonis | Birne Val Demone | Val Demone Pear | Rosaceae |
| Pyrus x jordanovii | Birne Jordanovs | Jordanovs Pear | Rosaceae |
| Pyrus x velenovskyi | Birne Velenovskys | Velenovsky's Pear | Rosaceae |