| Specimen ID | 1257168 |
| Group | Plants |
| Genus | Butomus |
| Species | umbellatus |
| Common Name | flowering rush |
| State | WA |
| County | Benton |
| Locality | Prosser Diversion |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Yakima |
| HUC8 Number | 17030003 |
| HUC10 Name | Spring Creek-Yakima River |
| HUC10 Number | 1703000310 |
| HUC12 Name | City of Prosser-Yakima River |
| HUC12 Number | 170300031007 |
| Map | |
| Collection Day | 6 |
| Collection Month | 7 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 28080 |
| Author: | Environmental Assessment Program. |
| Date: | 2018 |
| Title: | |
| Publisher: | Washington State Department of Ecology |
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| Comments | growing to 2 m deep, flowering, mapped; weather clear, calm. Launched at public access and surveyed shoreline along both sides downstream to the diversion dam. Flowering rush is flowering and expanding. Mapped with GPS, hand pulled some plants at the upstream end of the patch. Water is low, water stargrass at the surface. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
