| Specimen ID | 259427 |
| Group | Plants |
| Genus | Sagittaria |
| Species | graminea |
| Subspecies | graminea |
| Common Name | grassy arrowhead |
| State | WA |
| County | Snohomish |
| Locality | Echo Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Washington |
| HUC8 Number | 17110012 |
| HUC10 Name | Middle Sammamish River |
| HUC10 Number | 1711001203 |
| HUC12 Name | Bear Creek |
| HUC12 Number | 171100120301 |
| Map | |
| Collection Day | 1 |
| Collection Month | 1 |
| Collection Year | 2001 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 16041 |
| Author: | Parsons, J. |
| Date: | 2007 |
| Title: | Washington Aquatic Plant Monitoring Database |
| Publisher: | Washington Department of Ecology |
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| Record Type | Literature |
| Earliest Record | locale |
| Freshwater/Marine | Freshwater |
