| Specimen ID | 237487 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | WA |
| County | Mason |
| Locality | Mason Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Puget Sound |
| HUC8 Number | 17110019 |
| HUC10 Name | Goldsborough Creek-Frontal Puget Sound |
| HUC10 Number | 1711001906 |
| HUC12 Name | Sherwood Creek |
| HUC12 Number | 171100190609 |
| Map | |
| Collection Day | 10 |
| Collection Month | 8 |
| Collection Year | 2005 |
| 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 | Observed first in 1998, noted as codominant with other plants along eastern shore in 2002. Only observed on western shore in 2005. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
