| | Plattdeutscher Name | Deutscher Name | Englischer Name | Botanischer Name | | Korkeker (Schleswig) | Eiche, Kork- | Oak, Cork | Quercus suber |
| Korkekkel (Ostfriesland) | Eiche, Kork- | Oak, Cork | Quercus suber |
| Korkik (Nordfriesland) | Eiche, Kork- | Oak, Cork | Quercus suber |
| Kornmahn (Marzell) | Mohn, Klatsch- | Poppy, Field | Papaver rhoeas |
| Kornraa (Unterweser) | Kornrade, Gewoehnliche | Corn Cockle | Agrostemma githago |
| Kornros (Braunschweig) | Mohn, Klatsch- | Poppy, Field | Papaver rhoeas |
| Kotitten (Altmark) | Geissblatt, Wald- | Woodbine | Lonicera periclymenum |
| Kraanbeere (Hegi) | Moltebeere | Cloudberry | Rubus chamaemorus |
| Krabbestruuk (Dollart) | Queller, Europaeischer | Salicorn | Salicornia europaea |
| Kraeggenspeck (Oelde/Westf.) | Mistel, Laubholz- | Mistletoe | Viscum album |
| Kraeik (Lueneburg) | Pflaume, Hafer- | Plum, Oats | Prunus domestica subsp. insititia |
| Kraeik (Lueneburg) | Haferschlehe | Sloe, Oats | Prunus x fruticans |
| Krahenbleaum (Westfalen) | Windroeschen, Busch- | Wind Flower | Anemone nemorosa |
| Kraienfoot (Stade) | Hahnenfuss, Kriechender | Buttercup, Creeping | Ranunculus repens |
| Kraigennest (Oestrich/Westfalen) | Mistel, Laubholz- | Mistletoe | Viscum album |
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