Specimen ID | 1396531 |
Group | Plants |
Genus | Pistia |
Species | stratiotes |
Common Name | water lettuce |
State | MN |
County | Wabasha |
Locality | backwater channel of the Mississippi River in Pool 5 near Weaver, MN. located in Upper Mississippi River National Wildlife and Fish Refuge. Along an approximately 1 mile stretch of backwater channel. Lat/long is central area of channel location. |
Mapping Accuracy | Accurate |
HUC8 Name | Buffalo-Whitewater |
HUC8 Number | 07040003 |
HUC10 Name | City of Winona-Mississippi River |
HUC10 Number | 0704000306 |
HUC12 Name | Buffalo City-Mississippi River |
HUC12 Number | 070400030604 |
Map | |
Collection Day | 24 |
Collection Month | 8 |
Collection Year | 2012 |
Year Accuracy | Actual |
Potential Pathway | unknown |
Status | unknown |
Reference 1 |
Ref. Number: | 24369 |
Author: | Center for Invasive Species and Ecosystem Health. |
Date: | 2019 |
Title: | EDDMapS: Early detection and distribution mapping system |
Publisher: | The University of Georgia |
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Comments | Initial finding was on 8-22-2012 by Ed Lagace who is familiar with the plant. Further recon on 8-24 and 8-27 revealed the extent of the infestation. Most of the plants floating along channel with thick duckweed slowing their progress. One location had two large mats of plants. On Sep. 5 and 14, 2012, staff removed lettuce from site by collecting by hand, bagging, and removing from area. An estimated 27,000 plants (including mothers and daughters) were removed. The site was rechecked the following week and 20 plants were collected. voucher specimen is in process of being made.; EDDMapS report |
Record Type | Literature |
Verifier | Keegan Lund |
Freshwater/Marine | Freshwater |
Size | 0.3 Acres |