| Specimen ID | 274461 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Common Name | hydrilla |
| State | GU |
| Locality | Tolaeyuus River [unspecified location] |
| Mapping Accuracy | Approximate |
| HUC8 Name | Guam |
| HUC8 Number | 22010000 |
| HUC10 Number | 2201000002 |
| Map | |
| Collection Day | 20 |
| Collection Month | 1 |
| Collection Year | 2005 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 19675 |
| Author: | Walsh, S. |
| Date: | 2010 |
| Title: | Aquatic invasive species of Guam. |
| Publisher: | USGS Southwest Biological Sciences Center. |
|
|
| Comments | drains into the Maagas River via the Lost or Hidden River, contains approximately 400m subterranean passage, located on restricted naval property, little human impact |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
