| Specimen ID | 237503 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | WA |
| County | Lewis |
| Locality | Swofford Pond |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Cowlitz |
| HUC8 Number | 17080005 |
| HUC10 Name | Riffe Reservoir |
| HUC10 Number | 1708000502 |
| HUC12 Name | Riffe Lake-Cowlitz River |
| HUC12 Number | 170800050204 |
| Map | |
| Collection Day | 31 |
| Collection Month | 7 |
| Collection Year | 2001 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 15927 |
| Author: | Parsons, J. |
| Date: | 2005 |
| Title: | Annual Washington State Aquatic Plant Survey Database. |
| Publisher: | Washington Department of Ecology . |
| Volume: | 2005 |
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| Comments | Found throughout the entire lake with plants in nearly monospecific patches, dominant. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
