| Specimen ID | 229559 |
| Group | Plants |
| Genus | Butomus |
| Species | umbellatus |
| Common Name | flowering rush |
| State | MT |
| County | Flathead |
| Locality | Flathead Lake, occurring at all ends except the southern part of the lake. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Flathead Lake |
| HUC8 Number | 17010208 |
| HUC10 Name | Flathead Lake |
| HUC10 Number | 1701020805 |
| HUC12 Name | Flathead Lake |
| HUC12 Number | 170102080501 |
| Map | |
| Collection Year | 1978 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10206 |
| Author: | Schuyler, A.E. |
| Date: | 1979 |
| Title: | Checklist of the aquatic flowering plants of Flathead Lake, Montana. |
| Journal: | Bartonia |
| Volume: | 46 |
| Pages: | 84-85 |
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| Record Type | Literature |
| Museum Cat Number | herb/Univ. of Montana |
| Freshwater/Marine | Freshwater |
