| Specimen ID | 1649780 |
| Group | Plants |
| Genus | Egeria |
| Species | densa |
| Common Name | Brazilian waterweed |
| State | AR |
| County | Montgomery |
| Locality | Joplin Mountain Harbor Use Area |
| Mapping Accuracy | Accurate |
| HUC8 Name | Ouachita Headwaters |
| HUC8 Number | 08040101 |
| HUC10 Name | South Fork Ouachita River-Lake Ouachita |
| HUC10 Number | 0804010104 |
| HUC12 Name | Gap Creek-Lake Ouachita |
| HUC12 Number | 080401010404 |
| Map | |
| Collection Day | 9 |
| Collection Month | 10 |
| Collection Year | 1982 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 29227 |
| Author: | Serviss, B.E. (curator). |
| Date: | 2012 |
| Title: | Henderson State University Herbarium (HEND) |
| Publisher: | Henderson State University |
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| Reference 2 |
| Ref. Number: | 29277 |
| Author: | SERNEC Data Portal |
| Date: | 2019 |
| Title: | SouthEast Regional Network of Expertise and Collections |
| Publisher: | Appalachian State University |
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| Comments | Georeferenced by NAS staff. |
| Record Type | Specimen |
| Earliest Record | county |
| Disposal | HEND |
| Museum Cat Number | 1633 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
