water smartweed (<i>Persicaria amphibia</i>)
<a rel="nofollow" class="external text" href="https://www.inaturalist.org/users/1434599">Георгий Виноградов (Georgy Vinogradov)</a>
CC BY 4.0
<a rel="nofollow" class="external free" href="https://www.inaturalist.org/photos/204596676">https://www.inaturalist.org/photos/204596676</a>