Polygonaceae

Oxyria digyna
mountain sorrel

Polygonum bistortoides
western bistort

Rumex acetosella
sheep sorrel

Polygonum lapathifolium
willow smartweed

Polygonum persicaria
lady's-thumb knotweed

Polygonum phytolaccifolium
alpine knotweed

Polygonum aviculare
common knotweed

Polygonum douglasii
Douglas's knotweed

Eriogonum nudum
naked eriogonum

Eriogonum ovalifolium var. nivale
cushion buckwheat

Eriogonum caespitosum
cushion eriogonum

Eriogonum umbellatum var. polyanthum
sulphur flower

Eriogonum strictum
strict desert buckwheat

Rumex crispus
curly dock

Eriogonum pyrolifolium
dirty socks

Polygonum paronychia
beach knotweed

Rumex occidentalis
western dock

Polygonum amphibium
water smartweed

Polygonum cuspidatum
Japanese knotweed

Polygonum minimum
broadleaf knotweed