| Specimen ID | 236357 |
| Group | Plants |
| Genus | Egeria |
| Species | densa |
| Common Name | Brazilian waterweed |
| State | WA |
| County | Snohomish |
| Locality | Swartz Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Snohomish |
| HUC8 Number | 17110011 |
| HUC10 Name | Pilchuck River |
| HUC10 Number | 1711001101 |
| HUC12 Name | Upper Pilchuc River |
| HUC12 Number | 171100110101 |
| Map | |
| Collection Day | 1 |
| Collection Month | 6 |
| Collection Year | 1994 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | collected |
| 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 | Reported by local citizen; extent of infestation not noted. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
