| Specimen ID | 1468745 |
| Group | Plants |
| Genus | Butomus |
| Species | umbellatus |
| Common Name | flowering rush |
| State | OR |
| County | Umatilla |
| Locality | [Columbia River near Hat Rock State Park] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Columbia-Lake Wallula |
| HUC8 Number | 17070101 |
| HUC10 Name | Lower Lake Wallula |
| HUC10 Number | 1707010102 |
| HUC12 Name | Cold Springs Wash-Lake Wallula |
| HUC12 Number | 170701010206 |
| Map | |
| Collection Day | 9 |
| Collection Month | 8 |
| Collection Year | 2018 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| Status | established |
| Reference 1 |
| Ref. Number: | 25944 |
| Author: | iNaturalist |
| Date: | 2024 |
| Title: |
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| Comments | https://www.inaturalist.org/observations/15291931 |
| Record Type | Literature |
| Verifier | Ian Pfingsten |
| Freshwater/Marine | Freshwater |
