| Specimen ID | 234898 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | heterophyllum |
| Common Name | variable-leaf watermilfoil |
| State | MA |
| County | Worcester |
| Locality | Cook Pond, Worcester |
| Mapping Accuracy | Accurate |
| HUC8 Name | Millers River |
| HUC8 Number | 01080202 |
| HUC10 Name | Lower Millers River |
| HUC10 Number | 0108020202 |
| HUC12 Name | Otter River |
| HUC12 Number | 010802020201 |
| Map | |
| Collection Day | 25 |
| Collection Month | 8 |
| Collection Year | 1995 |
| 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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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
