| Specimen ID | 269099 |
| Group | Plants |
| Genus | Butomus |
| Species | umbellatus |
| Common Name | flowering rush |
| State | MT |
| County | Sanders |
| Locality | Clark Fork river at Thompson Falls |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Clark Fork |
| HUC8 Number | 17010213 |
| HUC10 Name | Clark Fork River-Lynch Creek |
| HUC10 Number | 1701021305 |
| HUC12 Name | Clark Fork River-Ashley Creek |
| HUC12 Number | 170102130514 |
| Map | |
| Collection Day | 13 |
| Collection Month | 8 |
| Collection Year | 2008 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft |
| Status | established |
| Reference 1 |
| Ref. Number: | 19097 |
| Author: | Madsen, J.D., and J.C. Cheshier. |
| Date: | 2009 |
| Title: | Eurasian watermilfoil survey of three reservoirs in the Lower Clarks Fork River, Montana: I. Results of the field vegetation survey. |
| Publisher: | Geosystems Research Institute. |
| Volume: | 2009 |
| Issue: | March |
| Pages: | 59 pp |
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| Record Type | Literature |
| Verifier | John D. Madsen |
| Freshwater/Marine | Freshwater |
