| | Plattdeutscher Name | Deutscher Name | Englischer Name | Botanischer Name | | Lungenkruut (Schleswig-Holstein) | Lungenkraut, Echtes + Geflecktes | Lungwort + Soldiers-and-Sailors | Pulmonaria officinalis |
| Lurk (Schleswig-Holstein) | Klette, Grosse | Burdock, Great | Arctium lappa |
| Luuk (Oldenburg in Oldenburg) | Rasenschmiele = Schmiele, Rasen- | Hairgrass, Tufted | Deschampsia cespitosa |
| Luukgras (Oldenburg in Oldenbg.) | Schmiele, Rasen- | Hairgrass, Tufted | Deschampsia cespitosa |
| Luusbeer (Storman/Holstein) | Pfaffenhuetchen, Gewoehnliches | Spindle, Common | Euonymus europaeus |
| Lütte Kliern | Klette, Kleine | Burdock, Common | Arctium minus |
| Maagert | Beifuss, Gewoehnlicher | Mugwort | Artemisia vulgaris |
| Maan (Vierlande/Hamburg) | Mohn, Klatsch- | Poppy, Field | Papaver rhoeas |
| Maankatten (Bremen/Dithm.) | Mohn, Klatsch- | Poppy, Field | Papaver rhoeas |
| Maankopp (Stapelfeld) | Mohn, Klatsch- | Poppy, Field | Papaver rhoeas |
| Maarleevkes (Friesland) | Gaensebluemchen | Daisy | Bellis perennis |
| Maarreddik (Mensing) | Meerrettich, Gewoehnlicher | Horseradish | Armoracia rusticana |
| Machandel (Schleswig-Holstein) | Wacholder, Gewoehnlicher | Juniper, Common | Juniperus communis |
| Machandelboom (Holstein) | Wacholder, Gewoehnlicher | Juniper, Common | Juniperus communis |
| Machandele (Goettingen) | Wacholder, Gewoehnlicher | Juniper, Common | Juniperus communis |
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