Butomus umbellatus
Butomus umbellatus
(flowering rush)
Plants
Exotic
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24 results for Butomus umbellatus (flowering rush)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
249946 MTFlatheadEastor-Somers (Flathead) Waterfowl Protection Area1999 17010208 Flathead Lakeestablished
249947 MTFlatheadFlathead Lake2001 17010208 Flathead Lakeestablished
1256857 MTFlatheadFlathead Lake2006 17010208 Flathead Lakeestablished
249945 MTFlatheadFlathead Lake, Kalispell Bay1978 17010208 Flathead Lakeestablished
229559 MTFlatheadFlathead Lake, occurring at all ends except the southern part of the lake.1978 17010208 Flathead Lakeestablished
249948 MTFlatheadFlathead Lake, occurring at all ends except the southern part of the lake.2001 17010208 Flathead Lakeestablished
1886895 MTLake[No locality description provided]2019 17010208 Flathead Lake 
1887138 MTLake[No locality description provided]2021 17010208 Flathead Lake 
1887545 MTLake[No locality description provided]2023 17010208 Flathead Lake 
1887614 MTLake[No locality description provided]2023 17010212 Lower Flathead 
249944 MTLakeFlathead Lake, west side1964 17010208 Flathead Lakeestablished
270422 MTLakeKerr Dam near Pablo National Wildlife Refuge2009 17010208 Flathead Lakeestablished
260769 MTLakeLake Mary Ronan2001 17010208 Flathead Lakeestablished
234474 MTMissoulaSalmon Lake, T15N R14W Sec082001 17010203 Blackfootestablished
1887155 MTSanders[No locality description provided]2021 17010213 Lower Clark Fork 
1887323 MTSanders[No locality description provided]2022 17010212 Lower Flathead 
1887616 MTSanders[No locality description provided]2023 17010213 Lower Clark Fork 
1888332 MTSanders[No locality description provided]2024 17010213 Lower Clark Fork 
268781 MTSandersCabinet Gorge Reservoir, downstream of Noxon2008 17010213 Lower Clark Forkestablished
269099 MTSandersClark Fork river at Thompson Falls2008 17010213 Lower Clark Forkestablished
260773 MTSandersFlathead River, just east of confluence with Clark Fork2008 17010212 Lower Flatheadestablished
1724170 MTSandersNoxon Rapids Reservoir2009 17010213 Lower Clark Fork 
260771 MTSandersNoxon Reservoir, an impoundment of the Clark Fork River near the ID border2008 17010213 Lower Clark Forkestablished
260772 MTSandersThompson Fall Reservoir, on Hwy 2002008 17010213 Lower Clark Forkestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/20/2026].

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