RagweedAmbrosia artemisiifolia L.
- Moss, Flora of Alberta – Native
- Global Invasive Species Database – No
- NatureServe Rank – Not yet assessed
- Haber, Upland – Minor
- Haber, Wetland – No
- CWF, Status & Invasive Range – No
- Alberta Revegetation Guidelines – No
- The Nature Conservancy – No
- CBCN – No
- AB Weed – No
Included because listed by Haber. Possibly not invasive in Alberta.
Listed as "native" by Alberta Natural Heritage Information Centre(ANHIC)
Links to EOL: http://www.eol.org/pages/468175
 Link to USDA Plants Profile, Ambrosia artemisiifolia L. var. elatior (L.) Descourtils annual ragweed