| Specimen ID | 229917 |
| Group | Plants |
| Genus | Glyceria |
| Species | maxima |
| Common Name | reed mannagrass |
| State | MA |
| County | Essex |
| Locality | Mile Brook Swamp, Ipswich River Wildlife Sanctuary, Topsfield |
| Mapping Accuracy | Approximate |
| HUC8 Name | Charles |
| HUC8 Number | 01090001 |
| Map | |
| Collection Year | 1990 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 10462 |
| Author: | Anderson, J.E., and A.A. Reznicek |
| Date: | 1994 |
| Title: | New England Note: Gyceria maxima (Poaceae) in New England. |
| Journal: | Rhodora |
| Volume: | 96 |
| Issue: | 885 |
| Pages: | 97-101 |
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| Comments | by 1994, described in patches, the largest covering 2 acres, a portion which exists as a floating mat of individual plants and rhizomes which can be readily dislodged if disturbed. CollectorNumber: Anderson s.n. (MICH) |
| Record Type | Literature |
| Museum Cat Number | herb/U MI, Ann Arbor |
| Freshwater/Marine | Freshwater |
