| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| LAIN15 | Lantana insularis Moldenke | island lantana | Verbenaceae
|
| LAINI | Lantana involucrata L. var. involucrata | buttonsage | Verbenaceae
|
| LAINO | Lantana involucrata L. var. odorata (L.) Moldenke | fragrant buttonsage | Verbenaceae
|
| LAIN2 | Lantana involucrata L. | buttonsage | Verbenaceae
|
| LAMA2 | Lantana macropoda Torr. | Lantana achyranthifolia | Verbenaceae
|
| LAMI2 | Lantana microcephala A. Rich. | Lantana canescens | Verbenaceae
|
| LAMO2 | Lantana montevidensis (Spreng.) Briq. | trailing shrubverbena | Verbenaceae
|
| LANO2 | Lantana notha Moldenke | Lantana urticoides | Verbenaceae
|
| LAOVR | Lantana ovatifolia Britt. var. reclinata R.W. Long | Lantana depressa var. depressa | Verbenaceae
|
| LAOV2 | Lantana ovatifolia auct. p.p. non Britt. | Lantana depressa var. floridana | Verbenaceae
|
| LAOV2 | Lantana ovatifolia auct. p.p. non Britt. | Lantana depressa var. sanibelensis | Verbenaceae
|
| LARE2 | Lantana reticulata Pers. | netted shrubverbena | Verbenaceae
|
| LASC2 | Lantana scorta Moldenke | Lantana urticoides | Verbenaceae
|
| LASE7 | Lantana sellowiana Link & Otto | Lantana montevidensis | Verbenaceae
|
| LAST2 | Lantana strigosa (Griseb.) Urban | rough shrubverbena | Verbenaceae
|
| LATI4 | Lantana tiliifolia auct. non Cham. | Lantana camara | Verbenaceae
|
| LATR5 | Lantana trifolia L. | threeleaf shrubverbena | Verbenaceae
|
| LAURM | Lantana urticifolia P. Mill. ssp. moldenkei Sanders | nettleleaf shrubverbena | Verbenaceae
|
| LAURU2 | Lantana urticifolia P. Mill. ssp. urticifolia | nettleleaf shrubverbena | Verbenaceae
|
| LAUR | Lantana urticifolia P. Mill. | nettleleaf shrubverbena | Verbenaceae
|
| LAURH | Lantana urticoides Hayek var. hispidula Moldenke | Lantana urticoides | Verbenaceae
|
| LAUR2 | Lantana urticoides Hayek | West Indian shrubverbena | Verbenaceae
|
| LAVE4 | Lantana velutina Mart. & Gal. | velvet shrubverbena | Verbenaceae
|
| LANTA | Lantana L. | lantana | Verbenaceae
|
| LAAN6 | Laothoe angustifolia (Kellogg) Greene | Chlorogalum angustifolium | Liliaceae
|
| LAPA14 | Laothoe parviflora (S. Wats.) Greene | Chlorogalum parviflorum | Liliaceae
|
| LAPO6 | Laothoe pomeridiana (DC.) Raf. | Chlorogalum pomeridianum var. pomeridianum | Liliaceae
|
| LAPU10 | Laothoe purpurea (Brandeg.) Greene | Chlorogalum purpureum var. purpureum | Liliaceae
|
| LACR2 | Lapeirousia cruenta (Lindl.) Benth. ex Baker | Freesia laxa | Iridaceae
|
| LALA7 | Lapeirousia laxa (Thunb.) N.E. Br. | Freesia laxa | Iridaceae
|
| LAANL | Laphamia angustifolia Gray ssp. laciniata (Gray) Niles | Perityle angustifolia | Asteraceae
|
| LAAN4 | Laphamia angustifolia Gray | Perityle angustifolia | Asteraceae
|
| LABI4 | Laphamia bisetosa Torr. ex Gray | Perityle bisetosa var. bisetosa | Asteraceae
|
| LACE2 | Laphamia cernua Greene | Perityle cernua | Asteraceae
|
| LACI2 | Laphamia cinerea Gray | Perityle cinerea | Asteraceae
|
| LACO11 | Laphamia cochisensis Niles | Perityle cochisensis | Asteraceae
|
| LACO10 | Laphamia congesta M.E. Jones | Perityle congesta | Asteraceae
|
| LADI8 | Laphamia dissecta Torr. | Perityle dissecta | Asteraceae
|
| LAFA3 | Laphamia fastigiata Brandeg. | Perityle gracilis | Asteraceae
|
| LAGIL | Laphamia gilensis M.E. Jones ssp. longilobus Niles | Perityle gilensis var. salensis | Asteraceae
|
| LAGI | Laphamia gilensis M.E. Jones | Perityle gilensis var. gilensis | Asteraceae
|
| LAGR6 | Laphamia gracilis M.E. Jones | Perityle gracilis | Asteraceae
|
| LAHAL | Laphamia halimifolia Gray ssp. lindheimeri (Gray) Niles | Perityle lindheimeri var. lindheimeri | Asteraceae
|
| LAHA2 | Laphamia halimifolia Gray | Perityle lindheimeri var. halimifolia | Asteraceae
|
| LAIN10 | Laphamia intricata Brandeg. | Perityle intricata | Asteraceae
|
| LAIN9 | Laphamia inyoensis Ferris | Perityle inyoensis | Asteraceae
|
| LAMEI | Laphamia megalocephala S. Wats. ssp. intricata (Brandeg.) Keck | Perityle intricata | Asteraceae
|
| LAME3 | Laphamia megalocephala S. Wats. | Perityle megalocephala var. megalocephala | Asteraceae
|
| LAPAT2 | Laphamia palmeri Gray var. tenella M.E. Jones | Perityle tenella | Asteraceae
|
| LAPA9 | Laphamia palmeri Gray | Perityle tenella | Asteraceae
|
| LAQU | Laphamia quinqueflora Steyermark | Perityle quinqueflora | Asteraceae
|
| LARO | Laphamia rotundata Rydb. | Perityle lindheimeri var. lindheimeri | Asteraceae
|
| LARU3 | Laphamia rupestris Gray | Perityle rupestris var. rupestris | Asteraceae
|
| LASA5 | Laphamia saxicola Eastw. | Perityle saxicola | Asteraceae
|
| LAST5 | Laphamia stansburii Gray | Perityle stansburii | Asteraceae
|
| LAST4 | Laphamia staurophylla Barneby | Perityle staurophylla var. staurophylla | Asteraceae
|
| LAVI5 | Laphamia villosa Blake | Perityle villosa | Asteraceae
|
| LABO2 | Lapithea boykinii (Gray) Small | Sabatia capitata | Gentianaceae
|
| LACA9 | Lapithea capitata (Raf.) Small | Sabatia capitata | Gentianaceae
|
| LAGE | Lapithea gentianoides (Ell.) Griseb. | Sabatia gentianoides | Gentianaceae
|
| LAPO | Laplacea portoricensis (Krug & Urban) Dyer | nino de cota | Theaceae
|
| LAPLA | Laplacea Kunth | laplacea | Theaceae
|
| LAAE | Laportea aestuans (L.) Chew | West Indian woodnettle | Urticaceae
|
| LACA3 | Laportea canadensis (L.) Weddell | Canadian woodnettle | Urticaceae
|
| LAIN4 | Laportea interrupta (L.) Chew | Hawai'i woodnettle | Urticaceae
|
| LAPOR | Laportea Gaud. | laportea | Urticaceae
|
| LAMA13 | Lappa major Gaertner | Arctium lappa | Asteraceae
|
| LAMI7 | Lappa minor Hill | Arctium minus | Asteraceae
|
| LAAM4 | Lappula americana (Gray) Rydb. | Hackelia deflexa var. americana | Boraginaceae
|
| LAAR5 | Lappula arida Piper | Hackelia diffusa var. arida | Boraginaceae
|
| LACE | Lappula cenchrusoides A. Nels. | Great Plains stickseed | Boraginaceae
|
| LADEA | Lappula deflexa (Wahlenb.) Garcke ssp. americana (Gray) Hult�n | Hackelia deflexa var. americana | Boraginaceae
|
| LADEA2 | Lappula deflexa (Wahlenb.) Garcke var. americana (Gray) Greene | Hackelia deflexa var. americana | Boraginaceae
|
| LADE9 | Lappula deflexa (Wahlenb.) Garcke p.p. | Hackelia deflexa var. americana | Boraginaceae
|
| LADI7 | Lappula diffusa (Lehm.) Greene | Hackelia diffusa var. diffusa | Boraginaceae
|
| LAECO | Lappula echinata Gilib. var. occidentalis (S. Wats.) Boivin | Lappula occidentalis var. occidentalis | Boraginaceae
|
| LAEC | Lappula echinata Gilib. | Lappula squarrosa | Boraginaceae
|
| LAER4 | Lappula erecta A. Nels. | Lappula squarrosa | Boraginaceae
|
| LAFL5 | Lappula floribunda (Lehm.) Greene | Hackelia floribunda | Boraginaceae
|
| LAFR5 | Lappula fremontii (Torr.) Greene | Lappula squarrosa | Boraginaceae
|
| LAHI6 | Lappula hispida (Gray) Greene | Hackelia hispida var. hispida | Boraginaceae
|
| LALA11 | Lappula lappula (L.) Karst. | Lappula squarrosa | Boraginaceae
|
| LAMA9 | Lappula marginata (Bieb.) Guerke | margined stickseed | Boraginaceae
|
| LAMY3 | Lappula myosotis Moench | Lappula squarrosa | Boraginaceae
|
| LAOCC | Lappula occidentalis (S. Wats.) Greene var. cupulata (Gray) Higgins | flatspine stickseed | Boraginaceae
|
| LAOCO | Lappula occidentalis (S. Wats.) Greene var. occidentalis | flatspine stickseed | Boraginaceae
|
| LAOC3 | Lappula occidentalis (S. Wats.) Greene | flatspine stickseed | Boraginaceae
|
| LAPA12 | Lappula patula (Lehm.) Menyh. | Lappula marginata | Boraginaceae
|
| LAREC | Lappula redowskii (Hornem.) Greene var. cupulata (Gray) M.E. Jones | Lappula occidentalis var. cupulata | Boraginaceae
|
| LARED | Lappula redowskii (Hornem.) Greene var. desertorum (Greene) I.M. Johnston | Lappula occidentalis var. occidentalis | Boraginaceae
|
| LAREO | Lappula redowskii (Hornem.) Greene var. occidentalis (S. Wats.) Rydb. | Lappula occidentalis var. occidentalis | Boraginaceae
|
| LARET | Lappula redowskii (Hornem.) Greene var. texana (Scheele) Brand | Lappula occidentalis var. cupulata | Boraginaceae
|
| LARE | Lappula redowskii auct. non (Hornem.) Greene | Lappula occidentalis var. occidentalis | Boraginaceae
|
| LASQE | Lappula squarrosa (Retz.) Dumort. var. erecta (A. Nels.) Dorn | Lappula squarrosa | Boraginaceae
|
| LASQ | Lappula squarrosa (Retz.) Dumort. | European stickseed | Boraginaceae
|
| LATEC | Lappula texana (Scheele) Britt. var. coronata (Greene) A. Nels. & J.F. Macbr. | Lappula occidentalis var. cupulata | Boraginaceae
|
| LATEH | Lappula texana (Scheele) Britt. var. heterosperma (Greene) A. Nels. & J.F. Macbr. | Lappula occidentalis var. cupulata | Boraginaceae
|
| LATEH2 | Lappula texana (Scheele) Britt. var. homosperma (A. Nels.) A. Nels. & J.F. Macbr. | Lappula occidentalis var. cupulata | Boraginaceae
|
| LATE3 | Lappula texana (Scheele) Britt. | Lappula occidentalis var. cupulata | Boraginaceae
|
| LAVI7 | Lappula virginiana (L.) Greene | Hackelia virginiana | Boraginaceae
|
| LAPPU | Lappula Moench | stickseed | Boraginaceae
|