Latein Lf - Ly
| Ligusticum ferulaceum | Liebstock Piemonteser | Piedmont Lovage | Apiaceae |
| Ligusticum lucidum | Liebstock Glänzender | Shining Lovage | Apiaceae |
| Ligusticum scothicum | Liebstöckel Schottischer | Scots Lovage | Apiaceae |
| Liguster Ovalblättriger | Oval Leaf Privet | Oleaceae | |
| Ligustrum vulgare | Liguster Gewöhnlicher | European Privet | Oleaceae |
| Ligustrum x vicaryi | Liguster Goldener | Golden Privet | Oleaceae |
| Lilaeopsis carolinensis | Graspflanze Carolina | Carolina Grasswort | Apiaceae |
| Lilium albanicum | Lilie Albanische | Albanian Lily | Liliaceae |
| Lilium bulbiferum | Lilie Feuer | Orange Lily | Liliaceae |
| Lilium candidum | Lilie Madonnen | Madonna Lily | Liliaceae |
| Lilium carniolicum | Lilie Krainer | Carniolian Lily | Liliaceae |
| Lilium chalcedonicum | Lilie Chalzedonische | Chalcedonian Lily | Liliaceae |
| Lilium lancifolium | Lilie Tiger | Tiger Lily | Liliaceae |
| Lilium martagon | Lilie Türkenbund | Martagon Lily | Liliaceae |
| Lilium pomponium | Lilie Turban | Turban Lily | Liliaceae |
| Lilium pyrenaicum | Lilie Pyrenäen | Pyrenean Lily | Liliaceae |
| Lilium rhodopaeum | Lilie Rhodopen | Rhodopaean Lily | Liliaceae |
| Limbarda crithmoides | Salz- Alant | Golden Samphire | Asteraceae |
| Limodorum abortivum | Dingel Violetter | Violett Limodore | Orchidaceae |
| Limodorum trabutinum | Dingel Trabuts | Trabut's Limodore | Orchidaceae |
| Limoniastrum monopetalum | Verwachsenkroniger Strauchstrandflieder | Bushy Sea- Lavender | Plumbaginaceae |
| Limonium bellidifolium | Strandflieder Gänseblümchenblättriger | Matted Sea- Lavender | Plumbaginaceae |
| Limonium bonduellei | Strandflieder Bonduelles | Bonduelle's Sea- Lavender | Plumbaginaceae |
| Limonium brassicicfolium | Strandflieder Kohlblättriger | Cabbage- leaved Sea- Lavender | Plumbaginaceae |
| Limonium compactum | Strandflieder Kompakter | Compact Sea- Lavender | Plumbaginaceae |
| Limonium cordatum | Strandflieder Ligurischer | Ligurian Sea- Lavender | Plumbaginaceae |
| Limonium echioides | Strandflieder Natternkopf | Bugloss- like Sea- Lavender | Plumbaginaceae |
| Limonium elaphonisicum | Strandflieder Elafoniossos | Elafonissos- Lavender | Plumbaginaceae |
| Limonium lanceolatum | Strandflieder Lanzettblättriger | Lanceolate Sea Lavender | Plumbaginaceae |
| Limonium lobatum | Strandflieder Gelappter | Lobed Sea- Lavender | Plumbaginaceae |
| Limonium narbonense | Strandflieder Schmalblättriger | Swamp Sea- Lavender | Plumbaginaceae |
| Limonium nydeggeri | Strandflieder Nydeggers | Nydegger's Sea Lavender | Plumbaginaceae |
| Limonium ovalifolium | Strandflieder Ovalblättriger | Oval- leaved Sea Lavender | Plumbaginaceae |
| Limonium roridum | Strandflieder Wuchernder | Proliferous Sea- Lavender | Plumbaginaceae |
| Limonium sinuatum | Strandflieder Geflügelter | Wavyleaf Sea- Lavender | Plumbaginaceae |
| Limonium virgatum | Strandflieder Ruten | Rod- shaped Sea- Lavender | Plumbaginaceae |
| Limonium vulgare | Strandflieder Gewöhnlicher | Common Sea- Lavender | Plumbaginaceae |
| Limosella aquatica | Schlammling Gewöhnlicher | Water Mudwort | Scrophulariaceae |
| Linaria arvensis | Leinkraut Acker | Corn Toadflax | Plantaginaceae |
| Linaria pedunculata | Leinkraut Gestieltes | Petiolate Toadflax | Plantaginaceae |
| Linaria repens | Leinkraut Streifen | Striped Toadflax | Plantaginaceae |
| Lindernia dubia | Büchsenkraut Amerikanisches | Yellowseed False Pimpernell | Linderniaceae |
| Lindernia procumbens | Büchsenkraut Gewöhnliches | Prostrate False Pimpernell | Linderniaceae |
| Linnaea borealis | Moosglöckchen | Twinflower | Caprifoliaceae |
| Linum arboreum | Lein Strauch | Tree Flax | Linaceae |
| Linum aroanium | Lein Aroanischer | Aroanian Flax | Linaceae |
| Linum alpinum | Lein Alpen | Mountain Flax | Linaceae |
| Linum appressum | Lein Angedrückter | Aspressed Flax | Linaceae |
| Linum austriacum | Lein Österreichischer | Austrian Flax | Linaceae |
| Linum bienne | Lein Zweijähriger | Pale Flax | Linaceae |
| Linum caespitosum | Lein Rasen | Carpet Flax | Linaceae |
| Linum campanulatum | Lein Glocken | Bellflower Flax | Linaceae |
| Linum capitatum | Lein Kopfiger | Headed Flax | Linaceae |
| Linum carratracense | Lein Carratraca | Carratraca Flax | Linaceae |
| Linum castroviejoi | Lein Castroviejos | Castroviejo's Flax | Linaceae |
| Linum catharticum | Lein Purgier | Fairy Flax | Linaceae |
| Linum corymbulosum | Lein Schirmtraubiger | Clustered Flax | Linaceae |
| Linum decumbens | Lein Aufrechter | Ascending Flax | Linaceae |
| Linum elegans | Lein Eleganter | Elegant Flax | Linaceae |
| Linum flavum | Lein Gelber | Yellow Flax | Linaceae |
| Linum gaditanum | Lein Gaditana | Gaditana Flax | Linaceae |
| Linum grandiflorum | Lein Roter | Red Flax | Linaceae |
| Linum gyaricum | Lein Gioura | Gioura Flax | Linaceae |
| Linum hellenicum | Lein Griechischer | Greek Flax | Linaceae |
| Linum hirsutum | Lein Zotten | Hairy Flax | Linaceae |
| Linum hologynum | Lein Verwachsengriffliger | One-styled Flax | Linaceae |
| Linum jimenezii | Lein Jimenez' | Jimenez's Flax | Linaceae |
| Linum leonii | Lein Lothringer | French Flax | Linaceae |
| Linum leucanthum | Lein Weißer | White Flax | Linaceae |
| Linum marianorum | Lein Sierra Morena | Sierra Morena Flax | Linaceae |
| Linum maritimum | Lein Strand | Beach Flax | Linaceae |
| Linum milletii | Lein Millets | Millet's Flax | Linaceae |
| Linum narbonense | Lein Französischer | Blue Flax | Linaceae |
| Linum nervosum | Lein Geaderter | Nerved Flax | Linaceae |
| Linum nodiflorum | Lein Knotenblütiger | Nodding Flax | Linaceae |
| Linum olympicum | Lein Olymp | Olympian Flax | Linaceae |
| Linum perenne | Lein Ausdauernder | Perennial Flax | Linaceae |
| Linum phitosianum | Lein Phitos' | Phitos's Flax | Linaceae |
| Linum pubescens | Lein Weichhaariger | Hairy Pink Flax | Linaceae |
| Linum punctatum | Lein Punktierter | Dotted Flax | Linaceae |
| Linum salsoloides | Lein Salzkrautähnlicher | Saltwort- like Flax | Linaceae |
| Linum setaceum | Lein Borsten | Bristle- leaved Flax | Linaceae |
| Linum strictum | Lein Steifer | Upright Flax | Linaceae |
| Linum suffruticosum | Lein Strauchiger | White Flax | Linaceae |
| Linum tauricum | Lein Taurischer | Taurian Flax | Linaceae |
| Linum tejedense | Lein Sierra Tejeda | Sierra Tejeda Flax | Linaceae |
| Linum tenue | Lein Zarter | Slender Flax | Linaceae |
| Linum tenuifolium | Lein Schmalblättriger | Narrow- leaved Flax | Linaceae |
| Linum thracicum | Lein Thrakischer | Thracian Flax | Linaceae |
| Linum trigynum | Lein Dreigriffeliger | Southern Flax | Linaceae |
| Linum usitatissisimum | Lein Saat | Common Flax | Linaceae |
| Linum virgultorum | Lein Buschiger | Bushy Flax | Linaceae |
| Linum viscosum | Lein Klebriger | Sticky Flax | Linaceae |
| Lipandra polysperma | Gänsefuß Vielsamiger | Manyseed Goosefoot | Chenopodiaceae |
| Liparis kumokiri | Glanzorchis Hain | Kumokiri's Twayblade | Orchidaceae |
| Liparis loeseli | Glanzorchis Sumpf | Fen Orchid | Orchidaceae |
| Lippia alba | Süßkraut Buschiges | Bushy Lippia | Verbenaceae |
| Liquidambar orientalis | Amberbaum Orientalischer | Oriental Sweetgum | Altingiaceae |
| Liquidambar styraciflua | Amberbaum Amerikanischer | American Sweetgum | Altingiaceae |
| Liriodendron tulipifera | Tulpenbaum Amerikanischer | American Tulip Tree | Magnoliaceae |
| Lithodora fruticosa | Steinsame Strauch | Shrubby Gromwell | Boraginaceae |
| Lithodora hispidula | Steinsame Borstiger | Hispid Gromwell | Boraginaceae |
| Lithodora zahnii | Steinsame Zahn's | Zahn's Gromwell | Boraginaceae |
| Lithospermum officinale | Steinsame Echter | European Stoneseed | Boraginaceae |
| Littorella uniflora | Strandling Europäischer | European Shoreweed | Plantaginaceae |
| Lloydia serotina | Faltenlilie Späte | Common Alpine Lily | Liliaceae |
| Lobelia dortmanna | Lobelie Wasser | Dortmann's cardinalflower | Campanulaceae |
| Lobelia urens | Lobelie Blaue | Heath Lobelia | Campanulaceae |
| Loiseleuria procumbens | Alpenazalee Niederliegende | Alpine Azalea | Ericaceae |
| Lomatogonium carinthiaca | Saumnarbe Kärtner | Blue Feltwort | Gentianaceae |
| Lomelosia albocinta | Skabiose Weißband | White-banded Scabious | Dipsacaceae |
| Lomelosia argentea | Skabiose Silber | Silver Scabious | Dipsacaceae |
| Lomelosia brachiata | Skabiose Palästina | Palestinian Scabious | Dipsacaceae |
| Lomelosia crenata | Skabiose Gekerbte | Crenate Scabious | Dipsacaceae |
| Lomelosia cretica | Skabiose Kretische | Cretan Scabious | Dipsacaceae |
| Lomelosia divaricata | Skabiose Sizilianische | Sicilian Scabious | Dipsacaceae |
| Lomelosia epirota | Skabiose Epirus | Epirus Scabious | Dipsacaceae |
| Lomelosia graminifolia | Skabiose Grasblättrige | Grass- leaved Scabious | Dipsacaceae |
| Lomelosia hispidula | Skabiose Borstige | Hispid Scabious | Dipsacaceae |
| Lomelosia hymettia | Skabiose Hymettos | Hymettos- Scabious | Dipsacaceae |
| Lomelosia intermedia | Skabiose Mittlere | Intermediate Scabious | Dipsacaceae |
| Lomelosia micrantha | Skabiose Kleinblütige | Smallest- flowered Scabious | Dipsacaceae |
| Lomelosia minoana | Skabiose Minoische | Minoan Scabious | Dipsacaceae |
| Lomelosia polykratis | Skabiose Polykratis | Polykratis' Scabious | Dipsacaceae |
| Lomelosia prolifera | Skabiose Berg- Carmel- Skabiose | Prolific Scabious | Dipsacaceae |
| Lomelosia pulsatilloides | Skabiose Kuhschellenblättrige | Pasqueflower- leaved Scabious | Dipsacaceae |
| Lomelosia rhodopensis | Skabiose Rhodopen | Rhodope Scabious | Dipsacaceae |
| Lomelosia rotata | Skabiose Radförmige | Wheel- shaped Scabious | Dipsacaceae |
| Lomelosia rutifolia | Skabiose Weinrautenblättrige | Rue- leaved Scabious | Dipsacaceae |
| Lomelosia simplex | Skabiose Einfache | Simple Scabious | Dipsacaceae |
| Lomelosia sphaciotica | Skabiose Sfakia | Sfakia Scabious | Dipsacaceae |
| Lomelosia stellata | Skabiose Stern | Star Scabious | Dipsacaceae |
| Lomelosia variifolia | Skabiose Verschiedenblättrige | Varied- leaved Scabious | Dipsacaceae |
| Lonas annua | Leberbalsam Gelber | Yellow Ageratum | Asteraceae |
| Lonicera alpigena | Heckenkirsche Alpen | Alpine Honeysuckle | Caprifoliaceae |
| Lonicera arborea | Heckenkirsche Baum | Tree- Honeysuckle | Caprifoliaceae |
| Lonicera biflora | Geißblatt Zweiblütiges | Two- flowered Honeysuckle | Caprifoliaceae |
| Lonicera caerulea | Heckenkirsche Blaue | Blue- berried Honeysuckle | Caprifoliaceae |
| Lonicera caprifolium | Geißblatt Echtes | Italian Honeysuckle | Caprifoliaceae |
| Lonicera etrusca | Geißblatt Etruskisches | Etruscan Honeysuckle | Caprifoliaceae |
| Lonicera implexa | Geißblatt Macchien | Minorca Honeysuckle | Caprifoliaceae |
| Lonicera japonica | Geißblatt Japanisches | Japanese Honeysuckle | Caprifoliaceae |
| Lonicera kamtschatica | Heckenkirsche Kamtschatka | Kamtschatka Honeysuckle | Caprifoliaceae |
| Lonicera nigra | Heckenkirsche Schwarze | Black Honeysuckle | Caprifoliaceae |
| Lonicera nitida | Heckenkirsche Strauch | Boxleaf- Honeysuckle | Caprifoliaceae |
| Lonicera nummulariifolia | Heckenkirsche Weißfrüchtige | White- bulb Honeysuckle | Caprifoliaceae |
| Lonicera periclymenum | Geißblatt Deutsches | European Honeysuckle | Caprifoliaceae |
| Lonicera pileata | Heckenkirsche Kriech | Privet Honeysuckle | Caprifoliaceae |
| Lonicera pyrenaica | Heckenkirsche Pyrenäen | Pyrenean Honeysuckle | Caprifoliaceae |
| Lonicera splendida | Geißblatt Prächtiges | Splendid Honeysuckle | Caprifoliaceae |
| Lonicera stabiana | Geißblatt Stabia | Stabia Honeysuckle | Caprifoliaceae |
| Lonicera tatarica | Heckenkirsche Tatarische | Tatarian Honeysuckle | Caprifoliaceae |
| Lonicera xylosteum | Heckenkirsche Rote | Fly Honeysuckle | Caprifoliaceae |
| Lonicera x heckrottii | Geißblatt Heckrotts | Heckrott's Honeysuckle | Caprifoliaceae |
| Lotononis genistoides | Lotononis Ginsterähnliche | Broom- like Ononis | Fabaceae |
| Lotononis lupinifolia | Lotononis Lupinenblättrige | Lupine- leaved Ononis | Fabaceae |
| Lotus aduncus | Hornklee Thasos | Thasos Birdsfoot Trefoil | Fabaceae |
| Lotus aegaeus | Hornklee Ägäis | Aegean Birdsfoot Trefoil | Fabaceae |
| Lotus alpinus | Hornklee Alpen | Alpine Birdsfoot Trefoil | Fabaceae |
| Lotus angustissimus | Hornklee Schlanker | Slender Birdsfoot Trefoil | Fabaceae |
| Lotus arenarius | Hornklee Sand | Sand Birdsfoot Trefoil | Fabaceae |
| Lotus biflorus | Spargelerbse Zweiblütige | Two- flowered Birdsfoot Trefoil | Fabaceae |
| Lotus borbasii | Hornklee Borbas | Borbas Birdsfoot Trefoil | Fabaceae |
| Lotus castellanus | Hornklee Kastillischer | Castillian Birdsfoot Trefoil | Fabaceae |
| Lotus conimbricensis | Hornklee Coimbra | Coimbra Birdsfoot Trefoil | Fabaceae |
| Lotus conjugatus | Spargelerbse Gelborange | Orange Birdsfoot Trefoil | Fabaceae |
| Lotus corniculatus | Hornklee Gewöhnlicher | Common Birdsfoot Trefoil | Fabaceae |
| Lotus corniculatus var. hirsutus | Hornklee Gewöhnlicher Behaarter | Hairy Birdsfoot Trefoil | Fabaceae |
| Lotus creticus | Spargelerbse Kretischer | Cretan Birdsfoot Trefoil | Fabaceae |
| Lotus cytisoides | Spargelerbse Ginster | Grey Birdsfoot Trefoil | Fabaceae |
| Lotus delortii | Hornklee Delorts | Delort's Birdsfoot Trefoil | Fabaceae |
| Lotus edulis | Hornklee Essbarer | Edible Birdsfoot Trefoil | Fabaceae |
| Lotus glacialis | Spargelerbse Gletscher | Glacier Birdsfoot Trefoil | Fabaceae |
| Lotus glareosus | Hornklee Kies | Gravel Birdsfoot Trefoil | Fabaceae |
| Lotus halophilus | Hornklee Salz | Sea Birdsfoot Trefoil | Fabaceae |
| Lotus hispidus | Hornklee Steifhaariger | Hispid Birdsfoot Trefoil | Fabaceae |
| Lotus longisiliquosus | Spargelerbse Hügel | Hill Birdsfoot Trefoil | Fabaceae |
| Lotus macrotrichus | Hornklee Langhaariger | Long- hair Birdsfoot Trefoil | Fabaceae |
| Lotus maritimus | Spargelerbse Gelbe | Dragon's Teeth | Fabaceae |
| Lotus ornithopodiodes | Hornklee Vogelfuß | Birdsfoot Trefoil | Fabaceae |
| Lotus palustris | Hornklee Moor | Marsh Birdsfoot Trefoil | Fabaceae |
| Lotus parviflorus | Hornklee Kleinblütiger | Smallflower Birdsfoot Trefoil | Fabaceae |
| Lotus peregrinus | Hornklee Fremder | Alien Birdsfoot Trefoil | Fabaceae |
| Lotus pedunculatus | Hornklee Sumpf | Big Birdsfoot Trefoil | Fabaceae |
| Lotus preslii | Hornklee Presls | Presl's Birdsfoot Trefoil | Fabaceae |
| Lotus tenuis | Hornklee Schmalblättriger | Borbas Birdsfoot Trefoil | Fabaceae |
| Lotus tetragonolobus | Spargelerbse Rote | Asparagus Pea | Fabaceae |
| Lotus tetraphyllus | Hornklee Vierblättriger | Four- leaf Birdsfoot Trefoil | Fabaceae |
| Ludwigia grandiflora | Heusenkraut Großblütiges | Large- Flower Primrose- Willow | Onagraceae |
| Ludwigia palustris | Heusenkraut Sumpf | Marsh Primrose- Willow | Onagraceae |
| Ludwigia peploides | Heusenkraut Flutendes | Floating Primrose- Willow | Onagraceae |
| Ludwigia repens | Heusenkraut Kriechendes | Creeping Primrose- Willow | Onagraceae |
| Ludwigia x kentiana | Heusenkraut Bastard | Kent's Primrose- Willow | Onagraceae |
| Lupinus albus | Lupine Weiße | White Lupine | Fabaceae |
| Lupinus angustifolius | Lupine Schmalblättrige | Narrow- leaved Lupine | Fabaceae |
| Lupinus cosentinii | Lupine Cosentinis | Cosentini's Lupine | Fabaceae |
| Lupinus gredensis | Lupine Sierra de Gredos | Sierra de Gredos Lupine | Fabaceae |
| Lupinus gussoneanus | Lupine Kleinblütige | Gussone's Lupine | Fabaceae |
| Lupinus hispanicus | Lupine Spanische | Spanish Lupine | Fabaceae |
| Lupinus luteus | Lupine Gelbe | Yellow Lupine | Fabaceae |
| Lupinus micranthus | Lupine Kleinblütige | Gussone's Lupine | Fabaceae |
| Lupinus pilosus | Lupine Blaue | Blue Lupine | Fabaceae |
| Lupinus polyphyllus | Lupine Vielblättrige | Bigleaf Lupine | Fabaceae |
| Luronium natans | Froschkraut Schwimmendes | Floating Water Plantain | Alismataceae |
| Luzula alpina | Hainsimse Alpen | Alpine Woodrush | Juncaceae |
| Luzula alpinopilosa | Hainsimse Braune | Brown Woodrush | Juncaceae |
| Luzula caespitosa | Hainsimse Rasige | Caespitose Woodrush | Juncaceae |
| Luzula calabra | Hainsimse Kalabrische | Calabrian Woodrush | Juncaceae |
| Luzula campestris | Hainsimse Feld | Field Woodrush | Juncaceae |
| Luzula congesta | Hainsimse Gedrängte | Heath Woodrush | Juncaceae |
| Luzula desvauxii | Hainsimse Desvauxs | Desvaux's Woodrush | Juncaceae |
| Luzula divulgata | Hainsimse Trockenwald | Slender Woodrush | Juncaceae |
| Luzula divulgatiformis | Hainsimse Divulgata- ähnlich | Divulgata- like Woodrush | Juncaceae |
| Luzula elegans | Hainsimse Purpurrote | Elegant Woodrush | Juncaceae |
| Luzula expectata | Hainsimse Erwartete | Expected Woodrush | Juncaceae |
| Luzula fallax | Hainsimse Täuschende | Cheating Woodrush | Juncaceae |
| Luzula forsteri | Hainsimse Forsters | Forster's Woodrush | Juncaceae |
| Luzula glabrata | Hainsimse Kahle | Smooth Woodrush | Juncaceae |
| Luzula lactea | Hainsimse Milchweiße | Milk- white Woodrush | Juncaceae |
| Luzula lutea | Hainsimse Gelbe | Yellow Woodrush | Juncaceae |
| Luzula luzulina | Hainsimse Gelbliche | Yellowish Woodrush | Juncaceae |
| Luzula luzuloides | Hainsimse Weißliche | Oakforest Woodrush | Juncaceae |
| Luzula multiflora | Hainsimse Vielblütige | Common Woodrush | Juncaceae |
| Luzula nivea | Hainsimse Schneeweiße | Snow- white Woodrush | Juncaceae |
| Luzula nodulosa | Hainsimse Knötchen | Nodulose Woodrush | Juncaceae |
| Luzula pallescens | Hainsimse Bleiche | Pale Woodrush | Juncaceae |
| Luzula pedemontana | Hainsimse Piemonteser | Piedmont Woodrush | Juncaceae |
| Luzula pediformis | Hainsimse Nickende | Nodding Woodrush | Juncaceae |
| Luzula pilosa | Hainsimse Behaarte | Hairy Woodrush | Juncaceae |
| Luzula spicata | Hainsimse Ähren | Spiked Woodrush | Juncaceae |
| Luzula sudetica | Hainsimse Sudeten | Sudetic Woodrush | Juncaceae |
| Luzula sylvatica | Hainsimse Wald | Great Woodrush | Juncaceae |
| Luzula taurica | Hainsimse Taurische | Taurian Woodrush | Juncaceae |
| Luzula x borreri | Hainsimse Borrers | Borrer's Woodrush | Juncaceae |
| Lycianthes rantonnetii | Enzianstrauch Rantonnets | Blue Potatoe Bush | Solanaceae |
| Lycium afrum | Bocksdorn Südafrikanischer | Kraal Boxthorn | Solanaceae |
| Lycium barbarum | Europäischer Gewöhnlicher | Common Boxthorn | Solanaceae |
| Lycium chinense | Europäischer Chinesischer | Chinese Boxthorn | Solanaceae |
| Lycium europaeum | Europäischer Afrikanischer | European Boxthorn | Solanaceae |
| Lycium ferocissimum | Bocksdorn Afrikanischer | African Boxthorn | Solanaceae |
| Lycium intricatum | Bocksdorn Sparriger | Entangled Boxthorn | Solanaceae |
| Lycium ruthenicum | Bocksdorn Russischer | Russian Boxthorn | Solanaceae |
| Lycium schweinfurthii | Bocksdorn Schweinfurths | Schweinfurth's Boxthorn | Solanaceae |
| Lycopodiella inundata | Moorbärlapp Gewöhnlicher | Bog Clubmoss | Lycopodiaceae |
| Lycopodium annotinum | Bärlapp Sprossender | Stiff Clubmoss | Lycopodiaceae |
| Lycopodium clavatum | Bärlapp Keulen | Running Clubmoss | Lycopodiaceae |
| Lycopodium lagopus | Bärlapp Hasenpfoten | One-cone Clubmoss | Lycopodiaceae |
| Lycopus europaeus | Wolfstrapp Ufer | European Gypsywort | Lamiaceae |
| Lycopus exaltataus | Wolfstrapp Hoher | High Gypsywort | Lamiaceae |
| Lygeum spartum | Espartogras | Esparto Grass | Poaceae |
| Lysichiton americanus | Scheinkalla Gelbe | Western Skunk Cabbage | Araceae |
| Lysichiton camtschatcensis | Scheinkalla Weiße | White Skunk Cabbage | Araceae |
| Lysimachia arvensis | Gauchheil Acker | Scarlet Pimpernel | Primulaceae |
| Lysimachia atropurpurescens | Felberich Purpur | Burgundy Loosestrife | Primulaceae |
| Lysimachia ciliata | Gilbweiderich Bewimperter | Fringed Loosestrife | Primulaceae |
| Lysimachia clethroides | Felberich Schnee | Gooseneck Loosestrife | Primulaceae |
| Lysimachia collina | Gauchheil Hügel | Hill Pimpernel | Primulaceae |
| Lysimachia tyrrhenia | Gauchheil Dickblättriger | Thick- leaved Pimpernel | Primulaceae |
| Lysimachia dubia | Felberich Zweifelhafter | Doubtful Loosestrife | Primulaceae |
| Lysimachia ephemerum | Felberich Iberischer | Spanish Loosestrife | Primulaceae |
| Lysimachia europaea | Siebenstern Europäischer | Chaffweed | Primulaceae |
| Lysimachia foemina | Gauchheil Blauer | Blue Pimpernel | Primulaceae |
| Lysimachia fortunei | Felberich Fortunes | Fortune's Loosestrife | Primulaceae |
| Lysimachia linum- stellatum | Sternlein | Flax- leaved Loosestrife | Primulaceae |
| Lysimachia loeflingii | Gauchheil Loeflings | Loefling's Pimpernel | Primulaceae |
| Lysimachia maritima | Milchkraut Strand | Sea Milkwort | Primulaceae |
| Lysimachia minima | Gauchheil Acker | Chickweed Wintergreen | Primulaceae |
| Lysimachia minoricensis | Felberich Menorca | Menorcan Loosestrife | Primulaceae |
| Lysimachia monelli | Gauchheil Leinblättriger | Flax- leaved Pimpernel | Primulaceae |
| Lysimachia nemorum | Gilbweiderich Hain | Wood Loosestrife | Primulaceae |
| Lysimachia nummularia | Gilbweiderich Pfennig | Creeping Loosestrife | Primulaceae |
| Lysimachia punctata | Gilbweiderich Drüsiger | Dotted Loosestrife | Primulaceae |
| Lysimachia serpyllifolia | Gilbweiderich Thymianblättriger | Thyme- leaved Loosestrife | Primulaceae |
| Lysimachia talaverae | Gauchheil Kleinblütiger | Small- flowered Pimpernel | Primulaceae |
| Lysimachia tenella | Gauchheil Zarter | Bog Pimpernel | Primulaceae |
| Lysimachia thyrsiflora | Gilbweiderich Strauß | Tufted Loosestrife | Primulaceae |
| Lysimachia vulgaris | Gilbweiderich Gewöhnlicher | Common Loosestrife | Primulaceae |
| Lythrum acutangulum | Weiderich Kantiger | Angled Loosestrife | Lythraceae |
| Lythrum baeticum | Weiderich Baetischer | Baetian Lossstrife | Lythraceae |
| Lythrum borysthenicum | Sumpfquendel Aufrechter | Dnieper Loosestrife | Lythraceae |
| Lythrum flexuosum | Weiderich Geschlängelter | Wavy Loosestrife | Lythraceae |
| Lythrum hyssopifolia | Weiderich Ysopblättriger | Hyssop Loosestrife | Lythraceae |
| Lythrum junceum | Weiderich Binsen | Creeping Loosestrife | Lythraceae |
| Lythrum portula | Sumpfquendel Gewöhnlicher | Spatulaleaf Loosestrife | Lythraceae |
| Lythrum salicaria | Weiderich Blut | Purple Loosestrife | Lythraceae |
| Lythrum thesioides | Weiderich Thesiumähnlicher | Thesium- like Loosstrife | Lythraceae |
| Lythrum thymifolia | Weiderich Thymianblättriger | Thymeleaf Loosestrife | Lythraceae |
| Lythrum tribracteatum | Weiderich Zwerg | Threebract Loosestrife | Lythraceae |
| Lythrum virgatum | Weiderich Ruten | European Wand Loosestrife | Lythraceae |