Common name(s): Halberd-leaved Tearthumb
- 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 Polygonum arifolium
- Dave's Garden PlantFiles - Profile page with horticultural basics, and member-contributed photos and comments. (2 photos)
- Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation.
- Missouri Plants - Description and photographs of botanical features, with notes about habitat and native status. (6 photos)