Common name(s): Pennsylvania smartweed; Pink knotweed
Synonym(s): Polygonum pensylvanicum
- Wikipedia. Online encyclopedia entry (if defined).
- Google images. Web search for photographs.
- GRIN. Taxonomical details, with common names, distribution, and synonyms.
- The Plant List. Taxonomical lookup
Links for Persicaria pensylvanica
Common name(s): Pennsylvania Smartweed
- Illinois Wildflowers - Informative illustrated page with description and cultivation details, also covering range and faunal associations.