Groenlandia
| Groenlandia | |
|---|---|
| Groenlandia densa | |
| Scientific classification | |
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Monocots | 
| Order: | Alismatales | 
| Family: | Potamogetonaceae | 
| Genus: | Groenlandia J.Gay  | 
| Species: | G. densa  | 
| Binomial name | |
| Groenlandia densa (L.) Fourr.  | |
Groenlandia is a monotypic genus of aquatic plants (pondweed) of the family Potamogetonaceae. The only species in the genus is Groenlandia densa. Opposite-leaved pondweed is a common name for this plant. It is native to much of Europe, western Asia and Maghreb in Africa; despite its name it is not found in Greenland.