| Specimen ID | 232404 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | heterophyllum |
| Common Name | variable-leaf watermilfoil |
| State | MA |
| County | Worcester |
| Locality | Silver Lake, Grafton |
| Mapping Accuracy | Approximate |
| HUC8 Name | Blackstone River |
| HUC8 Number | 01090003 |
| Map | |
| Collection Day | 25 |
| Collection Month | 6 |
| Collection Year | 1972 |
| Year Accuracy | Actual |
| Potential Pathway | planted ornamental | dispersed | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 16042 |
| Author: | Invasive Plant Atlas of New England (IPANE). |
| Date: | 2007 |
| Publisher: | University of Conneticut, USDA |
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| Reference 2 |
| Ref. Number: | 10748 |
| Author: | Hellquist, C.B. |
| Date: | 1972 |
| Title: | Range extensions of vascular aquatic plants in New England |
| Journal: | Rhodora |
| Volume: | 74 |
| Issue: | 797 |
| Pages: | 131-140 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
