| Specimen ID | 240781 |
| Group | Plants |
| Genus | Glyceria |
| Species | maxima |
| Common Name | reed mannagrass |
| Country | Canada |
| State | ON |
| Locality | Lake Ontario marsh between Hamilton and Dundas, Ontario |
| Mapping Accuracy | Approximate |
| HUC8 Number | 04270103 |
| Map | |
| Collection Year | 1940 |
| Year Accuracy | Estimated |
| Potential Pathway | planted |
| Status | established |
| Reference 1 |
| Ref. Number: | 703 |
| Author: | Mills, E.L., J.H. Leach, J.T. Carlton, and C.L. Secor |
| Date: | 1993 |
| Title: | Exotic species in the Great Lakes: a history of biotic crises and anthropogenic introductions |
| Journal: | Journal of Great Lakes Research |
| Volume: | 19 |
| Issue: | 1 |
| Pages: | 1-54 |
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| Reference 2 |
| Ref. Number: | 23889 |
| Author: | Dore, W.G. |
| Date: | 1947 |
| Title: | Glyceria maxima in Canada. |
| Journal: | Canadian Field-Naturalist |
| Volume: | 61 |
| Pages: | 174 |
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| Comments | Deliberate release. |
| Record Type | Literature |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater |