| Specimen ID | 1649777 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Subspecies | verticillata |
| Common Name | whorled hydrilla |
| State | AR |
| County | Garland |
| Locality | Lake Hamilton, shoreline at boat ramp park at north of Carpenter dam |
| Mapping Accuracy | Accurate |
| HUC8 Name | Ouachita Headwaters |
| HUC8 Number | 08040101 |
| HUC10 Name | Lower Lake Hamilton |
| HUC10 Number | 0804010108 |
| HUC12 Name | Hot Springs Creek-Lake Hamilton |
| HUC12 Number | 080401010804 |
| Map | |
| Collection Day | 23 |
| Collection Month | 11 |
| Collection Year | 2004 |
| 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 |
| Disposal | HEND |
| Museum Cat Number | 1711 |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
