| Specimen ID | 274361 |
| Group | Plants |
| Genus | Hydrilla |
| Species | verticillata |
| Common Name | hydrilla |
| State | GU |
| Locality | Atantano River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Guam |
| HUC8 Number | 22010000 |
| HUC10 Name | La Sa Fua River-Frontal Phillipine Sea |
| HUC10 Number | 2201000003 |
| HUC12 Name | Atantano River-Frontal Apra Harbor |
| HUC12 Number | 220100000303 |
| Map | |
| Collection Day | 6 |
| Collection Month | 3 |
| Collection Year | 2006 |
| 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 Southeast Ecological Science Center |
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| Comments | largest and best developed mangrove swamp on Guam, channelized, impacts from adjacent shipping, docking, and oil refinery facilities |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
