討論:Polygonum
山羊百科，林文智老師的植物、山岳、攝影紀錄
- Polygonum undulatum - Threatened Species Programme
- Pittosporum undulatum (Australian cheesewood) - CABI.org
- The George Clifford Herbarium - Natural History Museum
- Polygonum undulatum (L.) P. J. Bergius - CJB - African plant database
- Polygonum | Species Dictionary | Southern Africa | iSpot Nature
