| Specimen ID | 1692464 |
| Group | Plants |
| Genus | Persicaria |
| Species | hydropiper |
| Common Name | marshpepper knotweed |
| State | IL |
| County | Union |
| Locality | Wolf Lake "Scatters" |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Mississippi-Cape Girardeau |
| HUC8 Number | 07140105 |
| HUC10 Name | Sexton Creek |
| HUC10 Number | 0714010507 |
| HUC12 Name | Running Lake Ditch |
| HUC12 Number | 071401050701 |
| Map | |
| Collection Day | 24 |
| Collection Month | 9 |
| Collection Year | 1952 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 27378 |
| Author: | Cranberg, C., and R. Keller |
| Date: | 2020 |
| Title: | Illinois Database of Aquatic Non-native Species |
| Publisher: | School of Environmental Sustainability, Loyola University Chicago |
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| Reference 2 |
| Ref. Number: | 18407 |
| Author: | University of Minnesota |
| Date: | 2021 |
| Title: | J. F. Bell Museum of Natural History Herbarium (MIN) |
| Publisher: | SEINet Data Portal |
| Volume: | 2009 |
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| Record Type | Specimen |
| Museum Cat Number | 1194434 |
| Verifier | Great Lakes Invasives Network |
| Freshwater/Marine | Freshwater |
