| Specimen ID | 270836 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | IL |
| County | McHenry |
| Locality | Crystal Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Fox |
| HUC8 Number | 07120006 |
| HUC10 Name | Poplar Creek-Fox River |
| HUC10 Number | 0712000612 |
| HUC12 Name | Crystal Lake Outlet |
| HUC12 Number | 071200061201 |
| Map | |
| Collection Day | 23 |
| Collection Month | 7 |
| Collection Year | 2010 |
| Year Accuracy | Publication Year |
| Potential Pathway | hitch hiker |
| Status | established |
| Reference 1 |
| Ref. Number: | 19406 |
| Author: | Jim Divita. |
| Date: | 2010 |
| Title: | Control milfoil. |
| Publisher: | Northwest Herald |
| Pages: | 2 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
