| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| PLMU3 | Pleuraphis mutica Buckl. | tobosagrass | Poaceae
|
| PLRI3 | Pleuraphis rigida Thurb. | big galleta | Poaceae
|
| PLEUR12 | Pleuraphis Torr. | galleta grass | Poaceae
|
| PLFI2 | Pleuricospora fimbriolata Gray | fringed pinesap | Monotropaceae
|
| PLLO3 | Pleuricospora longipetala T.J. Howell | Pleuricospora fimbriolata | Monotropaceae
|
| PLEUR | Pleuricospora Gray | pinesap | Monotropaceae
|
| PLAC4 | Pleuridium acuminatum Lindb. | acuminate pleuridium moss | Ditrichaceae
|
| PLAL7 | Pleuridium alternifolium (Hedw.) Brid. | Archidium alternifolium | Archidiaceae
|
| PLAL6 | Pleuridium alternifolium sensu Andrews | Pleuridium subulatum | Ditrichaceae
|
| PLAX | Pleuridium axillare (Sm.) Lindb. | Pseudephemerum nitidum | Dicranaceae
|
| PLBO | Pleuridium bolanderi C. M�ll. ex Jaeg. | Pleuridium acuminatum | Ditrichaceae
|
| PLCA16 | Pleuridium californicum Grout | California pleuridium moss | Ditrichaceae
|
| PLPA5 | Pleuridium palustre (Bruch & Schimp.) Bruch & Schimp. in B.S.G. | prairie pleuridium moss | Ditrichaceae
|
| PLRA3 | Pleuridium ravenelii Aust. | Ravenel's pleuridium moss | Ditrichaceae
|
| PLST8 | Pleuridium stramineum Lesq. ex Aust. | Pleuridium acuminatum | Ditrichaceae
|
| PLSU6 | Pleuridium subulatum (Hedw.) Rabenh. | pleuridium moss | Ditrichaceae
|
| PLSU7 | Pleuridium sullivantii Aust. | Sullivant's pleuridium moss | Ditrichaceae
|
| PLEUR8 | Pleuridium Rabenh. | pleuridium moss | Ditrichaceae
|
| PLLU | Pleurochaete luteola (Besch.) Th�r. | Pleurochaete squarrosa | Pottiaceae
|
| PLSQ2 | Pleurochaete squarrosa (Brid.) Lindb. | square pleurochaete moss | Pottiaceae
|
| PLEUR11 | Pleurochaete Lindb. | pleurochaete moss | Pottiaceae
|
| PLAL8 | Pleurocladula albescens (Hook.) Grolle | | Cephaloziaceae
|
| PLEUR13 | Pleurocladula Grolle | | Cephaloziaceae
|
| PLPL | Pleurocoronis pluriseta (Gray) King & H.E. Robins. | bush arrowleaf | Asteraceae
|
| PLEUR4 | Pleurocoronis King & H.E. Robins. | pleurocoronis | Asteraceae
|
| PLRO3 | Pleurogyne rotata (L.) Griseb. | Lomatogonium rotatum | Gentianaceae
|
| PLCAC7 | Pleuropogon californicus (Nees) Benth. ex Vasey var. californicus | annual semaphoregrass | Poaceae
|
| PLCAD | Pleuropogon californicus (Nees) Benth. ex Vasey var. davyi (L. Benson) P.H. But | annual semaphoregrass | Poaceae
|
| PLCA6 | Pleuropogon californicus (Nees) Benth. ex Vasey | annual semaphoregrass | Poaceae
|
| PLDA | Pleuropogon davyi L. Benson | Pleuropogon californicus var. davyi | Poaceae
|
| PLHO2 | Pleuropogon hooverianus L. Benson | North Coast semaphoregrass | Poaceae
|
| PLOR3 | Pleuropogon oregonus Chase | Oregon semaphoregrass | Poaceae
|
| PLREH | Pleuropogon refractus (Gray) Benth. ex Vasey var. hooverianus L. Benson | Pleuropogon hooverianus | Poaceae
|
| PLRE2 | Pleuropogon refractus (Gray) Benth. ex Vasey | nodding semaphoregrass | Poaceae
|
| PLSA | Pleuropogon sabinei R. Br. | false semaphoregrass | Poaceae
|
| PLEUR2 | Pleuropogon R. Br. | semaphoregrass | Poaceae
|
| PLAL5 | Pleuropteropyrum alpinum (All.) Nakai | Polygonum alpinum | Polygonaceae
|
| PLCU3 | Pleuropterus cuspidatus (Sieb. & Zucc.) Moldenke | Polygonum cuspidatum | Polygonaceae
|
| PLZU | Pleuropterus zuccarinii (Small) Small | Polygonum cuspidatum | Polygonaceae
|
| PLBO2 | Pleuropus bonplandii Broth. | Palamocladium leskeoides | Brachytheciaceae
|
| PLLE4 | Pleuropus leskeoides (Hook.) Steere | Palamocladium leskeoides | Brachytheciaceae
|
| PLAP | Pleurothallis appendiculata Cogn. | hand bonnet orchid | Orchidaceae
|
| PLAR4 | Pleurothallis aristata Hook. | forest bonnet orchid | Orchidaceae
|
| PLCO5 | Pleurothallis coriacea Bello | Pleurothallis pubescens | Orchidaceae
|
| PLCR2 | Pleurothallis crassipes sensu Britt. & Wilson, non Lindl. | Pleurothallis domingensis | Orchidaceae
|
| PLDO | Pleurothallis domingensis Cogn. | Guadeloupe bonnet orchid | Orchidaceae
|
| PLFO3 | Pleurothallis foliata Griseb. | Trichosalpinx dura | Orchidaceae
|
| PLGE | Pleurothallis gelida Lindl. | flor de llanten | Orchidaceae
|
| PLGH | Pleurothallis ghiesbreghtiana A. Rich. & Gal. | Pleurothallis racemiflora | Orchidaceae
|
| PLLO | Pleurothallis longissima Lindl. | Pleurothallis racemiflora | Orchidaceae
|
| PLOB4 | Pleurothallis obovata (Lindl.) Lindl. | South American bonnet orchid | Orchidaceae
|
| PLPA8 | Pleurothallis pachyrrachis A. Rich | Bulbophyllum pachyrrachis | Orchidaceae
|
| PLPR2 | Pleurothallis pruinosa Lindl. | waxy bonnet orchid | Orchidaceae
|
| PLPU4 | Pleurothallis pubescens Lindl. ex Hook. | hairy bonnet orchid | Orchidaceae
|
| PLRA2 | Pleurothallis racemiflora Lindl. ex Hook. | ladies' bonnet orchid | Orchidaceae
|
| PLRU3 | Pleurothallis ruscifolia (Jacq.) R. Br. ex Ait. f. | green bonnet orchid | Orchidaceae
|
| PLTR4 | Pleurothallis tricostata Cogn. | | Orchidaceae
|
| PLUR | Pleurothallis urbaniana Reichenb. f. | Pleurothallis aristata | Orchidaceae
|
| PLWI | Pleurothallis wilsonii Lindl. | Wilson's bonnet orchid | Orchidaceae
|
| PLEUR3 | Pleurothallis R. Br. ex Ait. f. | bonnet orchid | Orchidaceae
|
| PLAU9 | Pleurotheliopsis australiensis (Mull. Arg.) Zahlbr. | Anthracothecium nanum | Pyrenulaceae
|
| PLNA | Pleurotheliopsis nana Zahlbr. | Anthracothecium nanum | Pyrenulaceae
|
| PLAN2 | Pleurotrema anacardii (Vainio) R. C. Harris | Anisomeridium terminatum | Monoblastiaceae
|
| PLSO | Pleurotrema solivagum Degel. | Lithothelium hyalosporum | Pyrenulaceae
|
| PLPU6 | Pleurozia purpurea Lindb. | | Pleuroziaceae
|
| PLEUR7 | Pleurozia Dumort. | | Pleuroziaceae
|
| PLRU4 | Pleuroziopsis ruthenica (Weinm.) Kindb. ex Britt. | pleuroziopsis moss | Pleuroziopsidaceae
|
| PLEUR9 | Pleuroziopsis Kindb. ex Britt. | pleuroziopsis moss | Pleuroziopsidaceae
|
| PLSCT | Pleurozium schreberi (Brid.) Mitt. var. tananae (Grout) Wijk & Marg. | Pleurozium schreberi | Hylocomiaceae
|
| PLSC70 | Pleurozium schreberi (Brid.) Mitt. | Schreber's big red stem moss | Hylocomiaceae
|
| PLEUR10 | Pleurozium Mitt. | big red stem moss | Hylocomiaceae
|
| PLDU | Plinia dussii (Krug & Urban) Urban | Siphoneugena densiflora | Myrtaceae
|
| PLSI | Plinia sintenisii (Kiaersk.) Britt. | Marlierea sintenisii | Myrtaceae
|
| PLCA7 | Pluchea camphorata (L.) DC. | camphor pluchea | Asteraceae
|
| PLCA10 | Pluchea carolinensis (Jacq.) G. Don | cure for all | Asteraceae
|
| PLCO9 | Pluchea cortesii (Kunth) DC. | Pluchea carolinensis | Asteraceae
|
| PLFOF | Pluchea foetida (L.) DC. var. foetida | stinking camphorweed | Asteraceae
|
| PLFOI | Pluchea foetida (L.) DC. var. imbricata Kearney | stinking camphorweed | Asteraceae
|
| PLFO | Pluchea foetida (L.) DC. | stinking camphorweed | Asteraceae
|
| PLFO4 | Pluchea �fosbergii Cooperrider & Galang | Pluchea carolinensis | Asteraceae
|
| PLIM | Pluchea imbricata (Kearney) Nash | Pluchea foetida var. imbricata | Asteraceae
|
| PLIN4 | Pluchea indica (L.) Less. | Indian camphorweed | Asteraceae
|
| PLLO2 | Pluchea longifolia Nash | longleaf camphorweed | Asteraceae
|
| PLODO | Pluchea odorata (L.) Cass. var. odorata | sweetscent | Asteraceae
|
| PLODS | Pluchea odorata (L.) Cass. var. succulenta (Fern.) Cronq. | sweetscent | Asteraceae
|
| PLOD | Pluchea odorata (L.) Cass. | sweetscent | Asteraceae
|
| PLOD2 | Pluchea odorata auct. non (L.) Cass. | Pluchea carolinensis | Asteraceae
|
| PLPE2 | Pluchea petiolata Cass. | Pluchea camphorata | Asteraceae
|
| PLPUS | Pluchea purpurascens (Sw.) DC. var. succulenta Fern. | Pluchea odorata var. succulenta | Asteraceae
|
| PLPU2 | Pluchea purpurascens (Sw.) DC. | Pluchea odorata var. odorata | Asteraceae
|
| PLQU2 | Pluchea quitoc DC. | Pluchea sagittalis | Asteraceae
|
| PLRO | Pluchea rosea Godfrey | rosy camphorweed | Asteraceae
|
| PLSA5 | Pluchea sagittalis (Lam.) Cabrera | wingstem camphorweed | Asteraceae
|
| PLSE | Pluchea sericea (Nutt.) Coville | arrowweed | Asteraceae
|
| PLSU | Pluchea suaveolens (Vell.) Kuntze | Pluchea sagittalis | Asteraceae
|
| PLSY2 | Pluchea symphytifolia (P. Mill.) Gillis | Neurolaena lobata | Asteraceae
|
| PLSY | Pluchea symphytifolia auct. non (P. Mill.) Gillis, non Conyza symphytifolia P. Mill. | Pluchea carolinensis | Asteraceae
|
| PLTE4 | Pluchea tenuifolia Small | Pluchea foetida var. foetida | Asteraceae
|
| PLVI2 | Pluchea viscida (Raf.) House | Pluchea camphorata | Asteraceae
|
| PLYU | Pluchea yucatanensis Nesom | Yucatan camphorweed | Asteraceae
|
| PLUCH | Pluchea Cass. | camphorweed | Asteraceae
|