Species in the database starting with: L
- Labramia bojeri
- Laccaria laccata
- Lactuca indica
- Lactuca mauritiana Syn. for: Lactuca indica
- Lactuca serriola
- Lactuca taraxacifolia Syn. for: Launaea taraxacifolia
- Lactuca virosa
- Lagenaria leucantha Syn. for: Lagenaria siceraria
- Lagenaria siceraria
- Lagenaria vulgaris Syn. for: Lagenaria siceraria
- Lagerstroemia indica
- Lagerstroemia speciosa
- Lagunaria patersonia
- Laguncularia racemosa
- Lagurus dalmaticus Syn. for: Lagurus ovatus
- Lagurus ovatus
- Lamium album
- Lamium amplexicaule
- Lamium galeobdolon ssp. argentatum
- Lamium galeobdolon
- Lamium maculatum
- Lamium orvala
- Lamium purpureum
- Lamprocapnos spectabilis
- Lantana aculeata Syn. for: Lantana camara
- Lantana antillana Syn. for: Lantana camara
- Lantana asperata Syn. for: Lantana camara
- Lantana camara
- Lantana crocea Syn. for: Lantana camara
- Lantana glandulosissima Syn. for: Lantana camara
- Lantana mixta Syn. for: Lantana camara
- Lantana montevidensis
- Lantana moritziana Syn. for: Lantana camara
- Lantana salviifolia Syn. for: Buddleja salviifolia
- Lantana sanguinea Syn. for: Lantana camara
- Lantana undulata Syn. for: Lantana camara
- Lantana urticifolia Syn. for: Lantana camara
- Lapathum crispum Syn. for: Rumex crispus
- Lapathum obtusifolium Syn. for: Rumex obtusifolius
- Laportea aestuans
- Laportea interrupta
- Lappa minor Syn. for: Arctium minus
- Lapsana communis
- Lapsana glandulosa Syn. for: Lapsana communis
- Lapsana pubescens Syn. for: Lapsana communis
- Larix deodara Syn. for: Cedrus deodara
- Laseguea antennacea Syn. for: Mandevilla antennacea
- Lasia aculeata Syn. for: Lasia spinosa
- Lasia crassifolia Syn. for: Lasia spinosa
- Lasia desciscens Syn. for: Lasia spinosa
- Lasia spinosa
- Lasianthus attenuatus
- Lasianthus balansae Syn. for: Lasianthus micranthus
- Lasianthus bordenii Syn. for: Lasianthus attenuatus
- Lasianthus micranthus
- Lasianthus microstachys Syn. for: Lasianthus micranthus
- Lasianthus octonervius Syn. for: Lasianthus micranthus
- Lasianthus seikomontanus Syn. for: Lasianthus micranthus
- Lathyrus annuus
- Lathyrus latifolius
- Lathyrus ochrus
- Lathyrus platyphyllus Syn. for: Lathyrus sylvestris
- Lathyrus pratensis
- Lathyrus sylvestris
- Launaea cornuta
- Launaea taraxacifolia
- Laurocerasus officinalis Syn. for: Prunus laurocerasus
- Laurus albidus Syn. for: Sassafras albidum
- Laurus nobilis
- Laurus sassafras Syn. for: Sassafras albidum
- Lavandula angustifolia
- Lavandula approximata Syn. for: Lavandula stoechas
- Lavandula corsica Syn. for: Lavandula stoechas
- Lavandula debeauxii Syn. for: Lavandula stoechas
- Lavandula delphinensis Syn. for: Lavandula angustifolia
- Lavandula dentata
- Lavandula fascicularis Syn. for: Lavandula stoechas
- Lavandula fragrans Syn. for: Lavandula angustifolia
- Lavandula lanata
- Lavandula latifolia
- Lavandula officinalis Syn. for: Lavandula angustifolia
- Lavandula santolinifolia Syn. for: Lavandula dentata
- Lavandula spica Syn. for: Lavandula angustifolia
- Lavandula stoechas
- Lavandula tomentosa Syn. for: Lavandula lanata
- Lavandula vulgaris Syn. for: Lavandula angustifolia
- Lavatera cretica
- Lavatera trimestris
- Leea aequata
- Leea asiatica
- Leea glabra
- Leimanthium hybridum Syn. for: Melanthium virginicum
- Leimanthium monoicum Syn. for: Melanthium virginicum
- Leimanthium virginicum Syn. for: Melanthium virginicum
- Lemmaphyllum piloselloides Syn. for: Pyrrosia piloselloides
- Lemna minor
- Leonotis leonurus
- Leonotis nepetifolia
- Leonotis ocymifolia
- Leontodon leysseri Syn. for: Leontodon taraxacoides
- Leontodon nudicaule Syn. for: Leontodon taraxacoides
- Leontodon taraxacoides
- Leonurus africanus Syn. for: Leonotis leonurus
- Leonurus cardiaca
- Leonurus grandiflorus Syn. for: Leonotis leonurus
- Leonurus nepetifolius Syn. for: Leonotis nepetifolia
- Leopoldia comosa
- Lepidagathis incurva
- Lepidium heterophyllum
- Lepidophorum repandum
- Lepista nuda
- Leptadenia hastata
- Leptalix mixta Syn. for: Fraxinus angustifolia
- Leptochloa plectostachya Syn. for: Cynodon plectostachyus
- Leptolobium dasycarpum Syn. for: Acosmium dasycarpum
- Leptolobium lanceolatum Syn. for: Acosmium dasycarpum
- Leptorkis longipes Syn. for: Liparis viridiflora
- Leptorkis stachyurus Syn. for: Liparis viridiflora
- Leptorkis triloba Syn. for: Liparis viridiflora
- Leptorkis viridiflora Syn. for: Liparis viridiflora
- Leptospermum scoparium
- Lespedeza capillipes Syn. for: Campylotropis capillipes
- Lespedeza cuneata Syn. for: Lespedeza juncea var. sericea
- Lespedeza juncea var. sericea
- Lespedeza sericea Syn. for: Lespedeza juncea var. sericea
- Leucaena leucocephala
- Leucanthemum vulgare
- Leucas ciliata
- Leucas zeylanica
- Leucocasia gigantea Syn. for: Colocasia gigantea
- Leucojum auctumnale Syn. for: Acis autumnalis
- Leucojum autumnale Syn. for: Acis autumnalis
- Leucojum vernum
- Leycesteria formosa
- Ligustrum album Syn. for: Ligustrum vulgare
- Ligustrum decipiens Syn. for: Ligustrum vulgare
- Ligustrum esquirolii Syn. for: Ligustrum lucidum
- Ligustrum insulare Syn. for: Ligustrum vulgare
- Ligustrum insulense Syn. for: Ligustrum vulgare
- Ligustrum italicum Syn. for: Ligustrum vulgare
- Ligustrum lodense Syn. for: Ligustrum vulgare
- Ligustrum lucidum
- Ligustrum magnoliifolium Syn. for: Ligustrum lucidum
- Ligustrum oviforme Syn. for: Ligustrum vulgare
- Ligustrum vicinum Syn. for: Ligustrum vulgare
- Ligustrum vulgare
- Lilac caerulea Syn. for: Syringa vulgaris
- Lilium alpinum Syn. for: Lilium martagon
- Lilium candidum
- Lilium catanii Syn. for: Lilium martagon
- Lilium formosanum
- Lilium lancifolium
- Lilium leichtlinii
- Lilium leopoldii Syn. for: Lilium lancifolium
- Lilium lishmannii Syn. for: Lilium lancifolium
- Lilium martagon
- Lilium milleri Syn. for: Lilium martagon
- Lilium myriophyllum Syn. for: Lilium regale
- Lilium primulinum var. burmanicum
- Lilium regale
- Lilium tigrinum Syn. for: Lilium lancifolium
- Lilium villosum Syn. for: Lilium martagon
- Limnanthes douglasii
- Limnocharis emarginata Syn. for: Limnocharis flava
- Limnocharis flava
- Limnocharis plumieri Syn. for: Limnocharis flava
- Limonia warnekei Syn. for: Afraegle paniculata
- Limoniastrum monopetalum
- Limonium algarvense
- Limonium ferulaceum Syn. for: Myriolimon ferulaceum
- Limonium virgatum
- Linaria caesia
- Linaria cymbalaria Syn. for: Cymbalaria muralis
- Linaria diffusa
- Linaria elegans
- Linaria pedunculata
- Linaria polygalifolia
- Linaria repens
- Linaria spartea
- Linaria triornithophora
- Linaria vulgaris
- Lindernia dubia
- Linum flavum
- Linum humile Syn. for: Linum usitatissimum
- Linum perenne
- Linum strictum
- Linum tenue
- Linum usitatissimum
- Liparis boothii Syn. for: Liparis viridiflora
- Liparis longipes Syn. for: Liparis viridiflora
- Liparis pendula Syn. for: Liparis viridiflora
- Liparis piestopus Syn. for: Liparis viridiflora
- Liparis pleistantha Syn. for: Liparis viridiflora
- Liparis simondii Syn. for: Liparis viridiflora
- Liparis spathulata Syn. for: Liparis viridiflora
- Liparis stachyurus Syn. for: Liparis viridiflora
- Liparis triloba Syn. for: Liparis viridiflora
- Liparis viridiflora
- Lippia chevalieri
- Lippia citriodora Syn. for: Aloysia triphylla
- Lippia citrodora Syn. for: Aloysia triphylla
- Lippia triphylla Syn. for: Aloysia triphylla
- Liquidambar orientalis
- Liquidambar styraciflua
- Lirianthe henryi Syn. for: Magnolia henryi
- Liriodendron fastigiatum Syn. for: Liriodendron tulipifera
- Liriodendron heterophyllum Syn. for: Liriodendron tulipifera
- Liriodendron integrifolium Syn. for: Liriodendron tulipifera
- Liriodendron obtusilobum Syn. for: Liriodendron tulipifera
- Liriodendron procerum Syn. for: Liriodendron tulipifera
- Liriodendron truncatifolium Syn. for: Liriodendron tulipifera
- Liriodendron tulipifera
- Litchi chinensis
- Lithocardium leucocephalum Syn. for: Cordia leucocephala
- Lithospermum officinale
- Litosanthes micrantha Syn. for: Lasianthus micranthus
- Litsea lancilimba
- Litsea semecarpifolia
- Litsea verticillata
- Lobelia andropogon Syn. for: Centropogon cornutus
- Lobelia angulata
- Lobelia arguta Syn. for: Lobelia excelsa
- Lobelia excelsa
- Lobelia neriifolia Syn. for: Lobelia excelsa
- Lobelia organensis
- Lobelia salicifolia Syn. for: Lobelia excelsa
- Lobelia seguinii
- Lochnera rosea Syn. for: Catharanthus roseus
- Lolium boucheanum Syn. for: Lolium multiflorum
- Lolium italicum Syn. for: Lolium multiflorum
- Lolium multiflorum
- Lonchitis oxyglottis Syn. for: Serapias lingua
- Lonicera implexa
- Lonicera japonica
- Lonicera maackii
- Lonicera micrantha Syn. for: Lonicera tatarica
- Lonicera morrowii
- Lonicera periclymenum
- Lonicera tatarica
- Lophanthera lactescens
- Lophostemon confertus
- Loranthus flexicaulis Syn. for: Struthanthus flexicaulis
- Lotus allionii Syn. for: Lotus cytisoides
- Lotus creticus Syn. for: Lotus cytisoides
- Lotus cytisoides
- Lotus granadensis Syn. for: Lotus pedunculatus
- Lotus hirsutus Syn. for: Dorycnium hirsutum
- Lotus hispidus
- Lotus parviflorus
- Lotus pedunculatus
- Lotus rectus Syn. for: Dorycnium rectum
- Lotus uliginosus Syn. for: Lotus pedunculatus
- Lourteigia ballotifolia
- Ludwigia adscendens
- Ludwigia decurrens
- Ludwigia hyssopifolia
- Ludwigia longifolia
- Ludwigia octovalvis
- Ludwigia peruviana
- Luffa aegyptiaca
- Lunaria annua
- Lunaria rediviva
- Lupinus albus
- Lupinus angustifolius
- Lupinus cochinchinensis Syn. for: Crotalaria retusa
- Lupinus luteus
- Lupinus termis Syn. for: Lupinus albus
- Luteola tinctoria Syn. for: Reseda luteola
- Luzula luzulina
- Lychnis chalcedonica Syn. for: Silene chalcedonica
- Lychnis coronaria
- Lychnis divaricata Syn. for: Silene latifolia
- Lychnis saponaria Syn. for: Saponaria officinalis
- Lychnophora triflora
- Lycianthes macrodon
- Lycianthes neesiana
- Lycianthes rantonnetii
- Lycopersicon esculentum
- Lycopodiella cernua
- Lycopodium planum Syn. for: Selaginella plana
- Lycopus europaeus
- Lygistum ignitum Syn. for: Manettia cordifolia
- Lygistum micans Syn. for: Manettia cordifolia
- Lygodium salicifolium
- Lygos monosperma Syn. for: Retama monosperma
- Lyonia ligustrina
- Lysimachia ephemerum
- Lysimachia nemorum
- Lysimachia nummularia
- Lysimachia vulgaris
- Lythrum argyi Syn. for: Lythrum salicaria
- Lythrum junceum
- Lythrum salicaria