| Specimen ID | 234258 |
| Group | Plants |
| Genus | Egeria |
| Species | densa |
| Common Name | Brazilian waterweed |
| State | LA |
| County | Jackson |
| Locality | Chatham Lake, beside LA 34 at Chatham |
| Mapping Accuracy | Accurate |
| HUC8 Name | Castor |
| HUC8 Number | 08040302 |
| HUC10 Name | Upper Castor Creek |
| HUC10 Number | 0804030201 |
| HUC12 Name | Chatham Lake-Castor Creek |
| HUC12 Number | 080403020103 |
| Map | |
| Collection Day | 22 |
| Collection Month | 7 |
| Collection Year | 1974 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10766 |
| Author: | Hong-Wa, C. (curator). |
| Date: | 2015 |
| Title: | Claude E. Phillips Herbarium (DOV) |
| Publisher: | Delaware State University |
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| Comments | id: veg; habitat: submerged, aquatic CollectorNumber: Thomas et al., #40223 |
| Record Type | Literature |
| Museum Cat Number | DOV |
| Verifier | Reed, C.F. 1985 |
| Freshwater/Marine | Freshwater |