Pontederia crassipes
Pontederia crassipes
(floating waterhyacinth)
Plants
Exotic
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5 results for Pontederia crassipes (floating waterhyacinth)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
887908 ORDouglasSouth Umpqua River, under the Myrtle Creek bridge near I-52015 17100302 South Umpquaeradicated
241829 ORJosephineNE Josephine County2000 17100310 Lower Roguecollected
852265 ORMultnomahPortland2011 17080003 Lower Columbia-Clatskanieunknown
1241427 ORMultnomahPortland; east bank of the Willamette River at Oregon Yacht Club2013 17090012 Lower Willametteunknown
241828 ORWascopond near South Junction, 20 miles south of Maupin1956 17070306 Lower Deschutescollected

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.

Disclaimer:

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 [9/25/2020].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.