Polygonaceae
![Oxyria digyna](/assets/images/plants/0410426_thm.jpg)
Oxyria digyna
mountain sorrel
![Polygonum bistortoides](/assets/images/plants/0106938_thm.jpg)
Polygonum bistortoides
western bistort
![Rumex acetosella](/assets/images/plants/0311513_thm.jpg)
Rumex acetosella
sheep sorrel
![Polygonum lapathifolium](/assets/images/plants/0313426_thm.jpg)
Polygonum lapathifolium
willow smartweed
![Polygonum persicaria](/assets/images/plants/0313239_thm.jpg)
Polygonum persicaria
lady's-thumb knotweed
![Polygonum phytolaccifolium](/assets/images/plants/0306818_thm.jpg)
Polygonum phytolaccifolium
alpine knotweed
![Polygonum aviculare](/assets/images/plants/0406592_thm.jpg)
Polygonum aviculare
common knotweed
![Polygonum douglasii](/assets/images/plants/0411635_thm.jpg)
Polygonum douglasii
Douglas's knotweed
![Eriogonum nudum](/assets/images/plants/0307053_thm.jpg)
Eriogonum nudum
naked eriogonum
![Eriogonum ovalifolium var. nivale](/assets/images/plants/0410184_thm.jpg)
Eriogonum ovalifolium var. nivale
cushion buckwheat
![Eriogonum caespitosum](/assets/images/plants/0417544_thm.jpg)
Eriogonum caespitosum
cushion eriogonum
![Eriogonum umbellatum var. polyanthum](/assets/images/plants/0306067_thm.jpg)
Eriogonum umbellatum var. polyanthum
sulphur flower
![Eriogonum strictum](/assets/images/plants/0409415_thm.jpg)
Eriogonum strictum
strict desert buckwheat
![Rumex crispus](/assets/images/plants/9807623_thm.jpg)
Rumex crispus
curly dock
![Eriogonum pyrolifolium](/assets/images/plants/0410024_thm.jpg)
Eriogonum pyrolifolium
dirty socks
![Polygonum paronychia](/assets/images/plants/0404447_thm.jpg)
Polygonum paronychia
beach knotweed
![Rumex occidentalis](/assets/images/plants/0311145_thm.jpg)
Rumex occidentalis
western dock
![Polygonum amphibium](/assets/images/plants/0313506_thm.jpg)
Polygonum amphibium
water smartweed
![Polygonum cuspidatum](/assets/images/plants/0313249_thm.jpg)
Polygonum cuspidatum
Japanese knotweed
![Polygonum minimum](/assets/images/plants/0411327_thm.jpg)
Polygonum minimum
broadleaf knotweed