Myriophyllum spicatum
Myriophyllum spicatum
(Eurasian watermilfoil)
Plants
Exotic

13 results for Myriophyllum spicatum (Eurasian watermilfoil)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
229352 AZCochiseSan Pedro-Willcox drainage1985 15050202 Upper San Pedroestablished
229353 AZGreenleeUpper Gila drainage1985 15040002 Upper Gila-Mangasestablished
228591 AZLa PazColorado River Indian Tribe Reservation1997 15030104 Imperial Reservoirestablished
1436254 AZLa PazIn Devil's Lake on the south side of the Colorado River, just downstream from Picacho State Rec. Area.1986 15030104 Imperial Reservoirestablished
229291 AZMaricopaEncanto Park Lake, near Phoenix1946 15060106 Lower Saltestablished
1397809 AZMohaveColorado River @ Bullhead Community Park2014 15030101 Havasu-Mohave Lakesunknown
1397601 AZMohaveColorado River, downstream of Davis Dam2014 15030101 Havasu-Mohave Lakesunknown
272365 AZMohavenorth end of Lake Havasu in approximately 7 feet of water2008 15030101 Havasu-Mohave Lakesestablished
229290 AZNavajowaters near Winslow1945 15020008 Middle Little Coloradoestablished
229949 AZPimaGravel Pit Lake, Fort Huachuca Military Reservation, southeast Tucson1978 15050202 Upper San Pedroestablished
229351 AZPimaRio Sonoyta drainage1985 15080101 San Simon Washestablished
229354 AZYavapaiPecks Lake1997 15060202 Upper Verdeestablished
1436331 AZYumaSandy ground along Colorado River just east of Ft. Yuma.1985 15030107 Lower Coloradoestablished

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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [9/29/2020].

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