| Specimen ID | 1403543 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | NJ |
| County | Morris |
| Locality | Lake Hopatcong, Halsey Island |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Delaware-Musconetcong |
| HUC8 Number | 02040105 |
| HUC10 Name | Musconetcong River |
| HUC10 Number | 0204010505 |
| HUC12 Name | Lake Hopatcong-Upper Musconetcong River |
| HUC12 Number | 020401050501 |
| Map | |
| Collection Day | 20 |
| Collection Month | 7 |
| Collection Year | 1997 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 28167 |
| Author: | Les, D.H., and R.S. Capers. |
| Date: | 2012 |
| Title: | George Safford Torrey Herbarium (CONN) |
| Publisher: | University of Connecticut |
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| Reference 2 |
| Ref. Number: | 27725 |
| Author: | Consortium of Northeastern Herberia (CNH). |
| Date: | 2023 |
| Title: | Herbarium Specimen Data Sharing Portal for CNH |
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| Record Type | Specimen |
| Disposal | CONN |
| Museum Cat Number | 130895 |
| Freshwater/Marine | Freshwater |
