| Specimen ID | 248043 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | WA |
| County | Pend Oreille |
| Locality | Horseshoe Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Little Spokane |
| HUC8 Number | 17010308 |
| HUC10 Name | Upper Little Spokane River |
| HUC10 Number | 1701030801 |
| HUC12 Name | Horseshoe Lake-West Branch Little Spokane River |
| HUC12 Number | 170103080106 |
| Map | |
| Collection Day | 1 |
| Collection Month | 4 |
| Collection Year | 2008 |
| Year Accuracy | Publication Year |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 17814 |
| Author: | Summers, L. |
| Date: | 2008 |
| Title: | Woodland officials target Milfoil at Horseshoe Lake. |
| Publisher: | The Daily News, Longview, WA. |
| Volume: | 2008 |
| Issue: | April 1 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Specimen Impact | impacting fish habitat, boating, swimming and recreation generally |
