Yellow FlagIris pseudacorus L.
- ANPC Rank –
- Moss, Flora of Alberta – No
- Global Invasive Species Database – Yes
- NatureServe Rank – High
- Haber, Upland – No
- Haber, Wetland – Minor
- CWF, Status & Invasive Range – Low, Great Lakes, ON, BC, SK, AB, MB, QC, NF, NB, NS
- Alberta Revegetation Guidelines – No
- The Nature Conservancy – Yes, w/ ESA
- CBCN – Potential
- AB Weed – Prohibited Noxious
Reported for AB, +9 other provinces, forms dense stands, irritating on contact, poisonous to cattle
 Link to USDA Plants Profile for Iris pseudacorus L. paleyellow iris
 Link to ISSG Global Invasive Species Database entry for Iris pseudacorus L.
 Link to NatureServe I-Rank information for Iris pseudacorus - L. Yellow Iris