| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| LAPOI3 | Lathyrus polyphyllus Nutt. var. insecundus Jepson | Lathyrus vestitus ssp. bolanderi | Fabaceae
|
| LAPO3 | Lathyrus polyphyllus Nutt. | leafy pea | Fabaceae
|
| LAPR | Lathyrus pratensis L. | meadow pea | Fabaceae
|
| LAPU7 | Lathyrus puberulus White ex Greene | Lathyrus vestitus ssp. vestitus | Fabaceae
|
| LAPU3 | Lathyrus pusillus Ell. | tiny pea | Fabaceae
|
| LAQU2 | Lathyrus quercetorum Heller | Lathyrus vestitus ssp. vestitus | Fabaceae
|
| LARI | Lathyrus rigidus White | stiff pea | Fabaceae
|
| LASA2 | Lathyrus sativus L. | white pea | Fabaceae
|
| LASC7 | Lathyrus schaffneri Rydb. | Lathyrus lanszwertii var. brownii | Fabaceae
|
| LASP2 | Lathyrus sphaericus Retz. | grass pea | Fabaceae
|
| LASP3 | Lathyrus splendens Kellogg | pride of California | Fabaceae
|
| LASTB | Lathyrus strictus Nutt. var. barbarae (White) Jepson | Lathyrus vestitus ssp. laetiflorus | Fabaceae
|
| LASTT | Lathyrus strictus Nutt. var. thacherae Jepson | Lathyrus vestitus ssp. laetiflorus | Fabaceae
|
| LAST7 | Lathyrus strictus Nutt. | Lathyrus vestitus ssp. alefeldii | Fabaceae
|
| LASUA | Lathyrus sulphureus Brewer ex Gray var. argillaceus Jepson | snub pea | Fabaceae
|
| LASUS | Lathyrus sulphureus Brewer ex Gray var. sulphureus | snub pea | Fabaceae
|
| LASU | Lathyrus sulphureus Brewer ex Gray | snub pea | Fabaceae
|
| LASY | Lathyrus sylvestris L. | flat pea | Fabaceae
|
| LATI | Lathyrus tingitanus L. | Tangier pea | Fabaceae
|
| LATO | Lathyrus torreyi Gray | Torrey's pea | Fabaceae
|
| LATR | Lathyrus tracyi Bradshaw | Lathyrus lanszwertii var. tracyi | Fabaceae
|
| LATU | Lathyrus tuberosus L. | tuberous sweetpea | Fabaceae
|
| LAVEA2 | Lathyrus venosus Muhl. ex Willd. ssp. arkansanus (Fassett) C.L. Hitchc. | Lathyrus venosus | Fabaceae
|
| LAVEA3 | Lathyrus venosus Muhl. ex Willd. var. arkansanus Fassett | Lathyrus venosus | Fabaceae
|
| LAVEG | Lathyrus venosus Muhl. ex Willd. var. grandiflorus Torr. | Lathyrus vestitus ssp. laetiflorus | Fabaceae
|
| LAVEI | Lathyrus venosus Muhl. ex Willd. var. intonsus Butters & St. John | Lathyrus venosus | Fabaceae
|
| LAVEM | Lathyrus venosus Muhl. ex Willd. var. meridionalis Butters & St. John | Lathyrus venosus | Fabaceae
|
| LAVE | Lathyrus venosus Muhl. ex Willd. | veiny pea | Fabaceae
|
| LAVEA | Lathyrus vestitus Nutt. ssp. alefeldii (White) Broich | Alefeld's pea | Fabaceae
|
| LAVEB | Lathyrus vestitus Nutt. ssp. bolanderi (S. Wats.) C.L. Hitchc. | Bolander's pea | Fabaceae
|
| LAVEL | Lathyrus vestitus Nutt. ssp. laetiflorus (Greene) Broich | Pacific pea | Fabaceae
|
| LAVEL2 | Lathyrus vestitus Nutt. ssp. laevicarpus Broich | Pacific pea | Fabaceae
|
| LAVEO | Lathyrus vestitus Nutt. ssp. ochropetalus (Piper) C.L. Hitchc. | Lathyrus vestitus ssp. bolanderi | Fabaceae
|
| LAVEP | Lathyrus vestitus Nutt. ssp. puberulus (White ex Greene) C.L. Hitchc. | Lathyrus vestitus ssp. vestitus | Fabaceae
|
| LAVEV | Lathyrus vestitus Nutt. ssp. vestitus | Pacific pea | Fabaceae
|
| LAVEA4 | Lathyrus vestitus Nutt. var. alefeldii (White) Isley | Lathyrus vestitus ssp. alefeldii | Fabaceae
|
| LAVEO2 | Lathyrus vestitus Nutt. var. ochropetalus (Piper) Isley | Lathyrus vestitus ssp. bolanderi | Fabaceae
|
| LAVEV2 | Lathyrus vestitus Nutt. var. violaceus (Greene) Abrams | Lathyrus vestitus ssp. vestitus | Fabaceae
|
| LAVE2 | Lathyrus vestitus Nutt. | Pacific pea | Fabaceae
|
| LAVIB | Lathyrus violaceus Greene var. barbarae White | Lathyrus vestitus ssp. laetiflorus | Fabaceae
|
| LAVI3 | Lathyrus violaceus Greene | Lathyrus vestitus ssp. vestitus | Fabaceae
|
| LAWA5 | Lathyrus watsonii White | Lathyrus jepsonii ssp. californicus | Fabaceae
|
| LAZI3 | Lathyrus zionis C.L. Hitchc. | Lathyrus brachycalyx ssp. zionis | Fabaceae
|
| LATHY | Lathyrus L. | pea | Fabaceae
|
| LABO5 | Lauderlindsaya borreri (Leighton) R. Sant. | | Verrucariaceae
|
| LAUDE | Lauderlindsaya J. C. David & D. Hawksw. | lauderlindsaya | Verrucariaceae
|
| LALU2 | Laugeria lucida Sw. | Antirhea lucida | Rubiaceae
|
| LAOD2 | Laugeria odorata Jacq. | Guettarda odorata | Rubiaceae
|
| LARE3 | Laugeria resinosa Vahl | Neolaugeria resinosa | Rubiaceae
|
| LACO14 | Launaea cornuta (Hochst. ex Oliv. & Hiern) C. Jeffrey | | Asteraceae
|
| LAIN7 | Launaea intybacea (Jacq.) Beauv. | achicoria azul | Asteraceae
|
| LAUNA | Launaea Cass. | launaea | Asteraceae
|
| LALO2 | Laurentia longiflora (L.) Peterm. | Hippobroma longiflora | Campanulaceae
|
| LAMA11 | Laurera madreporiformis (Eschw.) Riddle | Bathelium madreporiforme | Trypetheliaceae
|
| LAME5 | Laurera megasperma (Mont.) Riddle | | Trypetheliaceae
|
| LASU2 | Laurera subdisjuncta (Mull. Arg.) R. C. Harris | | Trypetheliaceae
|
| LAURE | Laurera Reichenb. | laurera | Trypetheliaceae
|
| LACA10 | Laurocerasus caroliniana (P. Mill.) M. Roemer | Prunus caroliniana | Rosaceae
|
| LAMY2 | Laurocerasus myrtifolia (L.) Britt. | Prunus myrtifolia | Rosaceae
|
| LAOC5 | Laurocerasus occidentalis (Sw.) M. Roemer | Prunus occidentalis | Rosaceae
|
| LAOF2 | Laurocerasus officinalis M. Roemer | Prunus laurocerasus | Rosaceae
|
| LAAL5 | Laurus albidus Nutt. | Sassafras albidum | Lauraceae
|
| LACA12 | Laurus camphora L. | Cinnamomum camphora | Lauraceae
|
| LACO12 | Laurus coriacea Sw. | Nectandra coriacea | Lauraceae
|
| LAME4 | Laurus melissifolia Walt. | Lindera melissifolia | Lauraceae
|
| LANO80 | Laurus nobilis L. | sweet bay | Lauraceae
|
| LASA6 | Laurus sassafras L. | Sassafras albidum | Lauraceae
|
| LAWI | Laurus winteriana L. | Canella winteriana | Canellaceae
|
| LAURU | Laurus L. | laurel | Lauraceae
|
| LAAN81 | Lavandula angustifolia P. Mill. | English lavender | Lamiaceae
|
| LAIN12 | Lavandula �intermedia Emeric ex Lois. | lavandin | Lamiaceae
|
| LALA13 | Lavandula latifolia Medikus | broadleaved lavender | Lamiaceae
|
| LAOF3 | Lavandula officinalis Chaix | Lavandula angustifolia | Lamiaceae
|
| LASP6 | Lavandula spica L. | Lavandula angustifolia | Lamiaceae
|
| LAST9 | Lavandula stoechas L. | French lavender | Lamiaceae
|
| LAVE5 | Lavandula vera DC. | Lavandula angustifolia | Lamiaceae
|
| LAVAN | Lavandula L. | lavender | Lamiaceae
|
| LAAR2 | Lavatera arborea L. | tree mallow | Malvaceae
|
| LAASA | Lavatera assurgentiflora Kellogg ssp. assurgentiflora | island mallow | Malvaceae
|
| LAASG | Lavatera assurgentiflora Kellogg ssp. glabra Philbrick | southern island mallow | Malvaceae
|
| LAAS | Lavatera assurgentiflora Kellogg | island mallow | Malvaceae
|
| LACR | Lavatera cretica L. | Cornish mallow | Malvaceae
|
| LATH | Lavatera thuringiaca L. | tree lavatera | Malvaceae
|
| LATR3 | Lavatera trimestris L. | annual mallow | Malvaceae
|
| LAVAT | Lavatera L. | tree mallow | Malvaceae
|
| LABR3 | Lavauxia brachycarpa (Gray) Britt. | Oenothera brachycarpa | Onagraceae
|
| LAFL2 | Lavauxia flava A. Nels. | Oenothera flava ssp. flava | Onagraceae
|
| LAHO4 | Lavauxia howardii A. Nels. | Oenothera howardii | Onagraceae
|
| LATA2 | Lavauxia taraxacoides Woot. & Standl. | Oenothera flava ssp. taraxacoides | Onagraceae
|
| LATR6 | Lavauxia triloba (Nutt.) Spach | Oenothera triloba | Onagraceae
|
| LAWA6 | Lavauxia watsonii (Britt.) Small | Oenothera triloba | Onagraceae
|
| LAAL7 | Lawsonia alba Lam. | Lawsonia inermis | Lythraceae
|
| LAIN5 | Lawsonia inermis L. | henna | Lythraceae
|
| LAWSO | Lawsonia L. | lawsonia | Lythraceae
|
| LACA4 | Layia carnosa (Nutt.) Torr. & Gray | beach tidytips | Asteraceae
|
| LACHM | Layia chrysanthemoides (DC.) Gray ssp. maritima Keck | Layia chrysanthemoides | Asteraceae
|
| LACH | Layia chrysanthemoides (DC.) Gray | smooth tidytips | Asteraceae
|
| LADI4 | Layia discoidea (Keck) Keck | rayless tidytips | Asteraceae
|
| LAFR2 | Layia fremontii (Torr. & Gray) Gray | Fremont's tidytips | Asteraceae
|
| LAGA | Layia gaillardioides (Hook. & Arn.) DC. | woodland tidytips | Asteraceae
|
| LAGLL2 | Layia glandulosa (Hook.) Hook. & Arn. ssp. lutea Keck | Layia glandulosa | Asteraceae
|