| Specimen ID | 238420 |
| Group | Plants |
| Genus | Egeria |
| Species | densa |
| Common Name | Brazilian waterweed |
| State | WA |
| County | Skagit |
| Locality | Big Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Skagit |
| HUC8 Number | 17110007 |
| HUC10 Name | Skagit River-Frontal Skagit Bay |
| HUC10 Number | 1711000702 |
| HUC12 Name | Nookachamps Creek |
| HUC12 Number | 171100070202 |
| Map | |
| Collection Day | 6 |
| Collection Month | 9 |
| Collection Year | 2004 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 16085 |
| Author: | University of Washington. |
| Date: | 2007 |
| Title: | Burke Museum of Natural History and Culture: Herbarium. |
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| Comments | 1 meter deep, with Potamogeton robbinsii, in organic mud. |
| Record Type | Literature |
| Earliest Record | drainage |
| Museum Cat Number | WTU-333641 |
| Freshwater/Marine | Freshwater |
