Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
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21 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1760400 PABucks[No locality description provided]1960 02040105 Middle Delaware-Musconetcong 
1821046 PABucks[No locality description provided]2015 02040105 Middle Delaware-Musconetcong 
1834205 PABucks[No locality description provided]2018 02040105 Middle Delaware-Musconetcong 
1838350 PABucks[No locality description provided]2020 02040105 Middle Delaware-Musconetcong 
1674433 PABucks[No locality description provided]2020 02040105 Middle Delaware-Musconetcong 
1674647 PABucks[No locality description provided]2020 02040105 Middle Delaware-Musconetcong 
1674907 PABucks[No locality description provided]2020 02040105 Middle Delaware-Musconetcong 
230335 PABucksBeaver Creek, 0.45 mi NE of Ottsville.1993 02040105 Middle Delaware-Musconetcongestablished
229710 PABucksDelaware River, Hendrick Island, between the island and the mainland.1988 02040105 Middle Delaware-Musconetcongestablished
229302 PABucksDelaware River, near railroad bridge, 1.2 km ESE Yardley.1988 02040105 Middle Delaware-Musconetcongestablished
229300 PABucksDelaware River, upstream from Calhoun Street Bridge, Morrisville.1988 02040105 Middle Delaware-Musconetcongestablished
1759311 PABucksLake Nockamixon (BUCKS)2010 02040105 Middle Delaware-Musconetcong 
1838382 PABucksLake Nockamixon (BUCKS)2020 02040105 Middle Delaware-Musconetcong 
1844390 PABucksLake Nockamixon (BUCKS)2021 02040105 Middle Delaware-Musconetcong 
229461 PABucksMorrisville, in in the Pennsylvania Canal, E. Trenton Ave1960 02040105 Middle Delaware-Musconetcongestablished
232029 PABucksMorrisville, in the Pennsylvania Canal1957 02040105 Middle Delaware-Musconetcongestablished
1548330 PABucksNockamixon State Park2019 02040105 Middle Delaware-Musconetcongestablished
229711 PABucksTohickon Creek, W of Rt 611, 1 mi NNW of Pipersville.1989 02040105 Middle Delaware-Musconetcongestablished
230339 PABucks/NorthamptDelaware River, north of Trenton, NJ, to Easton PA.1998 02040105 Middle Delaware-Musconetcongestablished
229567 PANorthamptonDelaware River, Keifer Island, above island.1988 02040105 Middle Delaware-Musconetcongestablished
229301 PANorthamptonDelaware River, Raubs Island.1988 02040105 Middle Delaware-Musconetcongestablished

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 [1/22/2026].

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