| Specimen ID | 274071 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | OR |
| County | Gilliam |
| Locality | Spur of the Columbia River on North Side of I-84 |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Columbia-Lake Wallula |
| HUC8 Number | 17070101 |
| HUC10 Name | Lower Lake Umatilla |
| HUC10 Number | 1707010114 |
| HUC12 Name | Philippi Canyon-Lake Umatilla |
| HUC12 Number | 170701011407 |
| Map | |
| Collection Day | 15 |
| Collection Month | 9 |
| Collection Year | 2009 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 19381 |
| Author: | Madsen, J.D., G. Ervin, V. Maddox, & C. Abbott. |
| Date: | 2010 |
| Title: | Invasive Plant Atlas of the MidSouth. |
| Publisher: | Mississippi State University. |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
