(also known as Cinnamon Vine)
Dioscorea polystachya (Thunb.) Kunth
Dioscorea batatas Decne.
Dioscorea decaisneana Carrière
Dioscorea opposita auct.
Dioscorea oppositifolia L.
- Moss, Flora of Alberta – No
-  Global Invasive Species Database –
- NatureServe I-Rank – Not yet assessed
- AB Weed Act status – no
 Link to Wikipedia, Daucus carota - "...introduced to the United States in the 1800s when it was planted as an ornamental or food crop. It and other introduced yam species now grow wild there. It is troublesome in Great Smoky Mountains National Park, where its range is "rapidly expanding". It is most prevalent in moist habitat types. It is more tolerant of frost than other yams..."
 Link to USDA Plants, Profile and map for Dioscorea oppositifolia L. Chinese yam