Species: 

Iris pseudacorus

Common Name: 

yellow iris

Systems Affected (standardized): 

riparian/aquatic

Regions(s) present (updated by AB): 

SE

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Impacts: 

It forms large clonal colonies displacing native species. The rhizomes are able to survive heavy droughts. Rhizomes and seeds can be transported downstream, further spreading the plant. Seeds can germinate even after a wetland area burns. It contains glycosides, making it toxic to grazing animal

Source? likely to be reintroduced: 

introduced for ornamental wetland habitats, for erosion control or to remove metals in sewage treatment plants, as it is effective at removing nutrients and trapping sediments.

Info Blurb: 

Forms large ,colonies displacing native species. Rhizomes are able to survive droughtsand can be transported downstream, further spreading the plant. Contains glycosides, making it toxic to grazing animal. Introduced as an ornamental, for erosion control, and for phytoremediation.

Native Regions in OK: 

NONE

Current and past designations: 

BS

Present in OK?

Present in Bordering States?

OK, TX, NM, CO, KS, MO, AR, LA

Has Legal Status in BS?

NONE