| Specimen ID | 852257 |
| Group | Plants |
| Genus | Egeria |
| Species | densa |
| Common Name | Brazilian waterweed |
| State | OR |
| County | Douglas |
| Locality | Tahkenitch Creek |
| Mapping Accuracy | Accurate |
| HUC8 Name | Siltcoos |
| HUC8 Number | 17100207 |
| HUC10 Name | Siltcoos River-Frontal Pacific Ocean |
| HUC10 Number | 1710020701 |
| HUC12 Name | Tahkenitch Lake-Frontal Pacific Ocean |
| HUC12 Number | 171002070104 |
| Map | |
| Collection Day | 4 |
| Collection Month | 7 |
| Collection Year | 1947 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 24851 |
| Author: | iMapInvasives. |
| Date: | 2016 |
| Title: | Oregon iMapInvasives |
| Publisher: | Oregon Biodiversity Information Center |
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| Comments | William C. Johnson, OSC69278, voucher, OSU herbaria. In 4' to 6' of water in a log dump in a lake. |
| Record Type | Literature |
| Disposal | Oregon State University |
| Museum Cat Number | OSC69278 |
| Freshwater/Marine | Freshwater |
