| Specimen ID | 231732 |
| Group | Plants |
| Genus | Eichhornia |
| Species | crassipes |
| Common Name | common water-hyacinth |
| State | CA |
| County | Sacramento |
| Locality | Alder Creek, mouth of creek draining into Lake Natoma |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower American |
| HUC8 Number | 18020111 |
| HUC10 Name | American River |
| HUC10 Number | 1802011102 |
| HUC12 Name | Upper American River |
| HUC12 Number | 180201110201 |
| Map | |
| Collection Day | 25 |
| Collection Month | 8 |
| Collection Year | 1991 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Comments | elevation: 75 mdense colonies in sanding water at mouth of creek CollectorNumber: Hrusa 8521 |
| Museum Cat Number | herb CDA |
| Verifier | Hrusa, Fred |
| Freshwater/Marine | Freshwater |
