Buckwheat
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