Smartweeds - persicaria
Not sure how I feel about this source, but the pictures are good and I like the list of faunal application.
https://wildfoods4wildlife.com/oriental-ladys-thumb-smartweed/
Delaware smartweeds
https://delawarewildflowers.org/guides/persicaria.php
Lady's Thumb
https://www.invasiveplantatlas.org/subject.html?sub=6213
http://www.docs.dcnr.pa.gov/cs/groups/public/documents/document/dcnr_010295.pdf
https://www.minnesotawildflowers.info/flower/ladys-thumb
American Jumpseed/Virginia smartweed
https://www.minnesotawildflowers.info/flower/jumpseed
https://plants.usda.gov/core/profile?symbol=POVI2
https://uswildflowers.com/detail.php?SName=Persicaria%20virginiana
Carey's Smartweed - doesn't seem common but easy to identify
https://guides.nynhp.org/careys-smartweed/
Dotted smartweed
https://uswildflowers.com/detail.php?SName=Persicaria%20punctata