| Specimen ID | 1257203 |
| Group | Plants |
| Genus | Butomus |
| Species | umbellatus |
| Common Name | flowering rush |
| State | OR |
| County | Morrow |
| Locality | Umatilla Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Middle Columbia-Lake Wallula |
| HUC8 Number | 17070101 |
| HUC10 Name | Lower Lake Umatilla |
| HUC10 Number | 1707010114 |
| HUC12 Name | Threemile Canyon-Lake Umatilla |
| HUC12 Number | 170701011401 |
| Map | |
| Collection Day | 16 |
| Collection Month | 9 |
| Collection Year | 2014 |
| 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 | 2 plants seen, hand pulled; Weather clear, light breeze to calm. Launched boat at Plymouth, just downstream of McNary Dam. Motored all around launch 'island'. Found and hand pulled 2 flowering rush plants in a cove on the downstream side of the 'island'. Also boated downstream of the southern tip of the 'island' about 1.25 miles. Water level lower about 2 ft than normal water line. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
