| | Plattdeutscher Name | Deutscher Name | Englischer Name | Botanischer Name | | Ruksel (Osnabrueck) | Eberraute | Southernwood + Ladīs Love | Artemisia abrotanum |
| Rummelasse | Rettich, Garten | Radish | Raphanus sativus |
| Rummenasse | Rettich, Garten | Radish | Raphanus sativus |
| Rusch | Schilf, Gewoehnliches | Reed, Common | Phragmites australis |
| Rusch | Schilf, Gewoehnliches | Grass, Reed | Phragmites australis |
| Rustblome (Bassum/Hannover) | Loewenzahn, Gewoehnlicher | Dandelion | Taraxacum officinale agg. |
| Ruuksierg (Oberneuland/Bremen) | Schwertlilie, Sumpf- | Flag, Yellow | Iris pseudacorus |
| Ruwboll (Osnabrueck) | Schachtelhalm, Acker- | Horsetail, Common | Equisetum arvense |
| Ruwes (Osnabrueck) | Schachtelhalm, Acker- | Horsetail, Common | Equisetum arvense |
| Saatdoescherbloom (Huntemann) | Weidenroeschen, Zottiges | Willowherb Hairy | Epilobium hirsutum |
| Sabels (Meppen/Osnabrueck) | Schwertlilie, Sumpf- | Flag, Yellow | Iris pseudacorus |
| Saeckel (Mecklenburg) | Krebsschere | Aloe, Water | Stratiotes aloides |
| Saeker (Mecklenburg) | Krebsschere | Water Soldier = Aloe, Water | Stratiotes aloides |
| Saffran (Schleswig-Holstein) | Safran, Echter | Crocus, Saffron | Crocus sativus |
| Saffrom (Vioel) | Safran, Echter | Crocus, Saffron | Crocus sativus |
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