Browse photos by Craig Althen:
Bistorta
Bistorta vivipara – 2 photos
Eriogonum
Eriogonum flavum – 4 photos
Fallopia
Oxyria
Oxyria digyna – 3 photos
Persicaria
Persicaria amphibia – 4 photos
Persicaria maculosa – 2 photos
Polygonum
Polygonum achoreum – 4 photos
Polygonum aviculare – 3 photos
Polygonum douglasii – 6 photos
Polygonum minimum – 1 photo
Rumex
Rumex acetosella – 3 photos
Rumex crispus – 3 photos
Rumex maritimus – 1 photo
Rumex obtusifolius – 3 photos
Rumex occidentalis – 2 photos