| Specimen ID | 1256759 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | heterophyllum |
| Common Name | variable-leaf watermilfoil |
| State | NH |
| County | Cheshire |
| Locality | Contoocook Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Contoocook River |
| HUC8 Number | 01070003 |
| HUC10 Name | Upper Contoocook River |
| HUC10 Number | 0107000301 |
| HUC12 Name | Town Farm Brook-Contoocook River |
| HUC12 Number | 010700030101 |
| Map | |
| Collection Year | 1989 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 33984 |
| Author: | Smagula, A.P., R. Scott, C. Freise, and R. Pelletier |
| Date: | 2017 |
| Title: | Exotic Species Program Report: 2013-2017 |
| Publisher: | New Hampshire Department of Environmental Services |
| Pages: | 102 pp |
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| Comments | Discovered in 1989. Introduced three to four years earlier. Chemically treated in 1990. |
| Record Type | Literature |
| Verifier | Amy Smagula, NH DES |
| Freshwater/Marine | Freshwater |
