Polygonaceae
- Bistorta vivipara – native
- Fallopia convolvulus – introduced
- Koenigia islandica – native
- Oxyria digyna – native
- Persicaria lapathifolia – introduced
- Persicaria maculosa – introduced
- Polygonum aviculare ssp. boreale – introduced
- Rumex acetosella ssp. acetosella – introduced
- Rumex acetosella ssp. tenuifolius – native
- Rumex acetosella ssp. arenicola – native
- Rumex alpestris ssp. lapponicus – native
- Rumex longifolius – introduced
- Rumex obtusifolius – introduced
Read more about this topic: List Of Flora Of Greenland