| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| PLJUG | Plantago juncoides Lam. var. glauca (Hornem.) Fern. | Plantago maritima var. juncoides | Plantaginaceae
|
| PLJUL | Plantago juncoides Lam. var. laurentiana Fern. | Plantago maritima var. juncoides | Plantaginaceae
|
| PLJU | Plantago juncoides Lam. | Plantago maritima var. juncoides | Plantaginaceae
|
| PLKR | Plantago krajinae Pilger | Plantago pachyphylla | Plantaginaceae
|
| PLLAS | Plantago lanceolata L. var. sphaerostachya Mert. & Koch | Plantago lanceolata | Plantaginaceae
|
| PLLA | Plantago lanceolata L. | narrowleaf plantain | Plantaginaceae
|
| PLMA | Plantago macrocarpa Cham. & Schlecht. | seashore plantain | Plantaginaceae
|
| PLMAI2 | Plantago major L. ssp. intermedia (DC.) Arcang. | Plantago major | Plantaginaceae
|
| PLMAA | Plantago major L. var. asiatica auct. non (L.) Dcne. | Plantago major | Plantaginaceae
|
| PLMAI | Plantago major L. var. intermedia (DC.) Pilger | Plantago major | Plantaginaceae
|
| PLMAP | Plantago major L. var. pachyphylla Pilger | Plantago major | Plantaginaceae
|
| PLMAP2 | Plantago major L. var. pilgeri Domin | Plantago major | Plantaginaceae
|
| PLMAS | Plantago major L. var. scopulorum Fries & Broberg | Plantago major | Plantaginaceae
|
| PLMA2 | Plantago major L. | common plantain | Plantaginaceae
|
| PLMAB | Plantago maritima L. ssp. borealis (Lange) Blytt & O. Dahl | Plantago maritima var. juncoides | Plantaginaceae
|
| PLMAJ2 | Plantago maritima L. ssp. juncoides (Lam.) Hult�n | Plantago maritima var. juncoides | Plantaginaceae
|
| PLMAC2 | Plantago maritima L. var. californica (Fern.) Pilger | California goose tongue | Plantaginaceae
|
| PLMAJ | Plantago maritima L. var. juncoides (Lam.) Gray | goose tongue | Plantaginaceae
|
| PLMA3 | Plantago maritima L. | goose tongue | Plantaginaceae
|
| PLMEM | Plantago media L. var. monnieri (Giraud.) Roug. | Plantago media | Plantaginaceae
|
| PLME | Plantago media L. | hoary plantain | Plantaginaceae
|
| PLME3 | Plantago melanochrous Pilger | Plantago pachyphylla | Plantaginaceae
|
| PLMI | Plantago minima A. Cunningham | Plantago ovata | Plantaginaceae
|
| PLMU | Plantago muscicola (Rock) Pilger | Plantago pachyphylla | Plantaginaceae
|
| PLOLF | Plantago oliganthos Roemer & J.A. Schultes var. fallax Fern. | Plantago maritima var. juncoides | Plantaginaceae
|
| PLOL | Plantago oliganthos Roemer & J.A. Schultes | Plantago maritima var. juncoides | Plantaginaceae
|
| PLOV | Plantago ovata Forsk. | desert Indianwheat | Plantaginaceae
|
| PLPAM | Plantago pachyphylla Gray var. maviensis Gray | Plantago pachyphylla | Plantaginaceae
|
| PLPAR | Plantago pachyphylla Gray var. rotundifolia Wawra | Plantago pachyphylla | Plantaginaceae
|
| PLPA4 | Plantago pachyphylla Gray | Maui plantain | Plantaginaceae
|
| PLPAA | Plantago patagonica Jacq. var. aristata (Michx.) Gray | Plantago aristata | Plantaginaceae
|
| PLPAB | Plantago patagonica Jacq. var. breviscapa (Shinners) Shinners | Plantago patagonica | Plantaginaceae
|
| PLPAC | Plantago patagonica Jacq. var. californica Greene | Plantago erecta | Plantaginaceae
|
| PLPAG | Plantago patagonica Jacq. var. gnaphalioides (Nutt.) Gray | Plantago patagonica | Plantaginaceae
|
| PLPAO | Plantago patagonica Jacq. var. oblonga (Morris) Shinners | Plantago patagonica | Plantaginaceae
|
| PLPAS | Plantago patagonica Jacq. var. spinulosa (Dcne.) Gray | Plantago patagonica | Plantaginaceae
|
| PLPA2 | Plantago patagonica Jacq. | woolly plantain | Plantaginaceae
|
| PLPI | Plantago picta Morris | Plantago patagonica | Plantaginaceae
|
| PLPRA | Plantago princeps Cham. & Schlecht. var. acaulis Wawra | Plantago princeps var. longibracteata | Plantaginaceae
|
| PLPRA2 | Plantago princeps Cham. & Schlecht. var. anomala Rock | ale | Plantaginaceae
|
| PLPRD | Plantago princeps Cham. & Schlecht. var. denticulata Hbd. | Plantago princeps var. laxiflora | Plantaginaceae
|
| PLPRE | Plantago princeps Cham. & Schlecht. var. elata Wawra | Plantago princeps var. longibracteata | Plantaginaceae
|
| PLPRH | Plantago princeps Cham. & Schlecht. var. hirtella Gray | Plantago princeps var. anomala | Plantaginaceae
|
| PLPRL | Plantago princeps Cham. & Schlecht. var. laxiflora Gray | ale | Plantaginaceae
|
| PLPRL2 | Plantago princeps Cham. & Schlecht. var. longibracteata Mann | ale | Plantaginaceae
|
| PLPRP | Plantago princeps Cham. & Schlecht. var. princeps | ale | Plantaginaceae
|
| PLPRQ | Plantago princeps Cham. & Schlecht. var. queleniana (Gaud.) Rock | Plantago princeps var. princeps | Plantaginaceae
|
| PLPR | Plantago princeps Cham. & Schlecht. | ale | Plantaginaceae
|
| PLPS | Plantago psyllium L. | sand plantain | Plantaginaceae
|
| PLPUA | Plantago purshii Roemer & J.A. Schultes var. argyraea (Morris) Poe | Plantago argyraea | Plantaginaceae
|
| PLPUB | Plantago purshii Roemer & J.A. Schultes var. breviscapa Shinners | Plantago patagonica | Plantaginaceae
|
| PLPUO | Plantago purshii Roemer & J.A. Schultes var. oblonga (Morris) Shinners | Plantago patagonica | Plantaginaceae
|
| PLPUP | Plantago purshii Roemer & J.A. Schultes var. picta Pilger | Plantago patagonica | Plantaginaceae
|
| PLPUS2 | Plantago purshii Roemer & J.A. Schultes var. spinulosa (Dcne.) Shinners | Plantago patagonica | Plantaginaceae
|
| PLPU80 | Plantago purshii Roemer & J.A. Schultes | Plantago patagonica | Plantaginaceae
|
| PLPUM | Plantago pusilla Nutt. var. major Engelm. | Plantago pusilla | Plantaginaceae
|
| PLPU | Plantago pusilla Nutt. | dwarf plantain | Plantaginaceae
|
| PLRH | Plantago rhodosperma Dcne. | redseed plantain | Plantaginaceae
|
| PLRUA | Plantago rugelii Dcne. var. asperula Farw. | blackseed plantain | Plantaginaceae
|
| PLRUR | Plantago rugelii Dcne. var. rugelii | blackseed plantain | Plantaginaceae
|
| PLRU | Plantago rugelii Dcne. | blackseed plantain | Plantaginaceae
|
| PLSC6 | Plantago scabra Moench | Plantago psyllium | Plantaginaceae
|
| PLSE2 | Plantago septata Morris ex Rydb. | Plantago canescens | Plantaginaceae
|
| PLSH2 | Plantago shastensis Greene | Plantago eriopoda | Plantaginaceae
|
| PLSP | Plantago sparsiflora Michx. | pineland plantain | Plantaginaceae
|
| PLSP5 | Plantago spinulosa Dcne. | Plantago patagonica | Plantaginaceae
|
| PLSU2 | Plantago subnuda Pilger | tall coastal plantain | Plantaginaceae
|
| PLTRF2 | Plantago truncata Cham. ssp. firma (Kunze ex Walp.) Pilger | Plantago firma | Plantaginaceae
|
| PLTW | Plantago tweedyi Gray | Tweedy's plantain | Plantaginaceae
|
| PLVIV | Plantago virginica L. var. viridescens Fern. | Plantago virginica | Plantaginaceae
|
| PLVI | Plantago virginica L. | Virginia plantain | Plantaginaceae
|
| PLWR | Plantago wrightiana Dcne. | Wright's plantain | Plantaginaceae
|
| PLWY | Plantago wyomingensis Gandog. | Plantago patagonica | Plantaginaceae
|
| PLANT | Plantago L. | plantain | Plantaginaceae
|
| PLAN | Platanthera �andrewsii (M. White) Luer | | Orchidaceae
|
| PLAQ2 | Platanthera aquilonis Sheviak | northern green orchid | Orchidaceae
|
| PLBI | Platanthera �bicolor (Raf.) Luer (pro sp.) | | Orchidaceae
|
| PLBLB | Platanthera blephariglottis (Willd.) Lindl. var. blephariglottis | white fringed orchid | Orchidaceae
|
| PLBLC | Platanthera blephariglottis (Willd.) Lindl. var. conspicua (Nash) Luer | white fringed orchid | Orchidaceae
|
| PLBL | Platanthera blephariglottis (Willd.) Lindl. | white fringed orchid | Orchidaceae
|
| PLBR3 | Platanthera brevifolia (Greene) Kranzlin | shortflowered bog orchid | Orchidaceae
|
| PLCA8 | Platanthera �canbyi (Ames) Luer | | Orchidaceae
|
| PLCH5 | Platanthera �channellii J.P. Folsom | | Orchidaceae
|
| PLCH2 | Platanthera chapmanii (Small) Luer | Chapman's fringed orchid | Orchidaceae
|
| PLCH3 | Platanthera chorisiana (Cham.) Reichenb. | Chimissso's orchid | Orchidaceae
|
| PLCI2 | Platanthera ciliaris (L.) Lindl. | yellow fringed orchid | Orchidaceae
|
| PLCL | Platanthera clavellata (Michx.) Luer | small green wood orchid | Orchidaceae
|
| PLCOD2 | Platanthera convallariifolia (Fisch.) Lindl. var. dilatatoides Hult�n | Platanthera media | Orchidaceae
|
| PLCO15 | Platanthera convallariifolia (Fisch.) Lindl. | Platanthera hyperborea var. viridiflora | Orchidaceae
|
| PLCO7 | Platanthera cooperi (S. Wats.) Rydb. | Piperia unalascensis | Orchidaceae
|
| PLCR | Platanthera cristata (Michx.) Lindl. | crested yellow orchid | Orchidaceae
|
| PLDIA | Platanthera dilatata (Pursh) Lindl. ex Beck var. albiflora (Cham.) Ledeb. | scentbottle | Orchidaceae
|
| PLDIA2 | Platanthera dilatata (Pursh) Lindl. ex Beck var. angustifolia Hook. | Platanthera dilatata var. dilatata | Orchidaceae
|
| PLDIC | Platanthera dilatata (Pursh) Lindl. ex Beck var. chlorantha Hult�n | Platanthera media | Orchidaceae
|
| PLDID | Platanthera dilatata (Pursh) Lindl. ex Beck var. dilatata | scentbottle | Orchidaceae
|
| PLDIG | Platanthera dilatata (Pursh) Lindl. ex Beck var. gracilis Ledeb. | Platanthera stricta | Orchidaceae
|
| PLDIL | Platanthera dilatata (Pursh) Lindl. ex Beck var. leucostachys (Lindl.) Luer | Platanthera leucostachys | Orchidaceae
|
| PLDI3 | Platanthera dilatata (Pursh) Lindl. ex Beck | scentbottle | Orchidaceae
|
| PLFLF | Platanthera flava (L.) Lindl. var. flava | palegreen orchid | Orchidaceae
|
| PLFLH | Platanthera flava (L.) Lindl. var. herbiola (R. Br. ex Ait. f.) Luer | palegreen orchid | Orchidaceae
|
| PLFL | Platanthera flava (L.) Lindl. | palegreen orchid | Orchidaceae
|